Difference between revisions of "PHP 0"

From Ilianko
 
(22 intermediate revisions by the same user not shown)
Line 2: Line 2:
 
== HTML форма ==
 
== HTML форма ==
 
<pre>
 
<pre>
 +
<html>
 
<body>
 
<body>
  
Line 27: Line 28:
 
== PHP вградени промеливи ==
 
== PHP вградени промеливи ==
  
−
<pre>
+
<code><pre>
 
<html>
 
<html>
 
<body>
 
<body>
Line 33: Line 34:
 
<?php
 
<?php
  
−
print "<pre>";
 
 
print "POST ->";
 
print "POST ->";
 
print_r( $_POST);
 
print_r( $_POST);
Line 44: Line 44:
 
print_r($_SESSION);
 
print_r($_SESSION);
  
−
print "</pre>";
 
  
 
?>
 
?>
Line 64: Line 63:
 
</form>
 
</form>
 
</div>
 
</div>
 +
 +
</body>
 +
</html>
 +
 +
</pre></code>
 +
 +
== Запис във файл ==
 +
<code><pre>
 +
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
 +
print "POST ->";
 +
print_r( $_POST);
 +
 +
print "GET ->";
 +
print_r($_GET);
 +
 +
 +
if (isset($_POST['submit']))
 +
{
 +
$fd = fopen('../user/data.txt' , 'a');
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['comment']."\n");
 +
fclose($fd);
 +
}
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" action="" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
 +
  <tr>
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre></code>
 +
 +
== Качване на файл ==
 +
<pre>
 +
 +
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
print "POST ->";
 +
print_r( $_POST);
 +
 +
print "FILES ->";
 +
print_r($_FILES);
 +
 +
 +
if (isset($_POST['submit']))
 +
{
 +
$fd = fopen('../user/data.txt' , 'a');
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['comment']."\n");
 +
fclose($fd);
 +
}
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
  <tr>
 +
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
== Запис на качен файл ==
 +
<pre>
 +
<html>
 +
<body>
 +
 +
<?php
 +
print "POST ->";
 +
print_r( $_POST);
 +
 +
print "FILES ->";
 +
print_r($_FILES);
 +
 +
if (isset($_POST['submit']))
 +
{
 +
 +
  if($_FILES["image"]['name'] )
 +
  {
 +
   
 +
$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
 +
    copy ( $_FILES['image']['tmp_name'], '../user/'.$_FILES["image"]['name'] );
 +
  } 
 +
}
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
  <tr>
 +
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
== Обработка на изображение ==
 +
<pre>
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
print "POST ->";
 +
print_r( $_POST);
 +
 +
print "FILES ->";
 +
print_r($_FILES);
 +
 +
 +
if (isset($_POST['submit']))
 +
{
 +
 +
 +
    $maxSize = 500; //kB maximum file size
 +
$errorList = '';
 +
$newImageHeight = 400;
 +
$newImageWidth  = 600; //px
 +
 +
  if($_FILES["image"]['name'] )
 +
  {
 +
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
 +
    $fileExtension = end( $fileNameParts ); // part behind last dot
 +
    $photo_type = $_FILES["image"]['type'];
 +
  }
 +
  else $errorList = "<br />Моля изберете файл";
 +
 +
 
 +
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" )
 +
  {
 +
$errorList .=  "<br /> format is not supported";
 +
  }
 +
 
 +
  $photoSize = $_FILES["image"]['size']; // size of uploaded file
 +
  if ( !$errorList && $photoSize == 0 )
 +
  {
 +
$errorList =  "<br />$photoFileName - wrong data transfer";
 +
  }
 +
 
 +
  if ( !$errorList && $photoSize > $maxSize*1024)
 +
  {
 +
$errorList =  "<br>$photoFileName - image is to large";
 +
  }
 +
 +
  if (!$errorList)
 +
  {
 +
 +
$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
 +
   
 +
   
 +
$tempFile = fopen( $tempFileName, "r" );
 +
$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) );
 +
 +
 +
 +
$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
 +
 +
if ( !$src_img )
 +
    {
 +
      $errorList =  "<br>$photoFileName - wrong image format";;
 +
      exit( -1 );
 +
    }
 +
   
 +
$width  = imagesx( $src_img ); // get original source image width
 +
    $height = imagesy( $src_img ); // and height
 +
 +
$yCrop = 0;
 +
$xCrop = 0;
 +
 +
$in_prop =  $width / $height;
 +
$out_prop = $newImageWidth / $newImageHeight;
 +
 
 +
//resize main image, crop if nessery
 +
$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
 +
 +
if ( $width > $height )
 +
{
 +
  if ( $in_prop > $out_prop ) $xCrop = round( (($width - ( $height* $out_prop))/2) );
 +
  else $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
    else
 +
    {
 +
  $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
 +
imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
 +
 +
 +
$textColor= imagecolorallocate($image,255,0,0);
 +
 +
$font = "./VeraSe.ttf";
 +
$font_size = 40;
 +
$angle = 25;
 +
$x = 40;
 +
$y = 30;
 +
 +
imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
 +
 +
imagegammacorrect ( $image, 1.0, 1.15 );
 +
 
 +
if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
 +
 +
 +
 
 +
  } 
 +
}
 +
print $errorList;
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
  <tr>
 +
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
== Прехвърляне данни между скриптове ==
 +
=== форма ===
 +
<pre>
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
 +
print "GET ->";
 +
print_r( $_GET);
 +
 +
 +
if(isset($_GET['errorList']))
 +
{
 +
print $_GET['errorList'];
 +
};
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="form7a.php" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
  <tr>
 +
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
=== обработка ===
 +
<pre>
 +
<?php
 +
 +
if (isset($_POST['submit']))
 +
{
 +
$fd = fopen('../user/data.txt' , 'a');
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['email']."\n");
 +
fwrite ( $fd , $_POST['comment']."\n");
 +
fclose($fd);
 +
 +
 +
    $maxSize = 500; //kB maximum file size
 +
$errorList = '';
 +
$newImageHeight = 400;
 +
$newImageWidth  = 600; //px
 +
 +
  if($_FILES["image"]['name'] )
 +
  {
 +
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
 +
    $fileExtension = end( $fileNameParts ); // part behind last dot
 +
    $photo_type = $_FILES["image"]['type'];
 +
  }
 +
  else $errorList = "<br />Моля изберете файл";
 +
 +
 
 +
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" )
 +
  {
 +
$errorList .=  "<br /> format is not supported";
 +
  }
 +
 
 +
  $photoSize = $_FILES["image"]['size']; // size of uploaded file
 +
  if ( !$errorList && $photoSize == 0 )
 +
  {
 +
$errorList =  "<br /> wrong data transfer";
 +
  }
 +
 
 +
  if ( !$errorList && $photoSize > $maxSize*1024)
 +
  {
 +
$errorList =  "<br>image is to large";
 +
  }
 +
 +
  if (!$errorList)
 +
  {
 +
 +
$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
 +
   
 +
   
 +
$tempFile = fopen( $tempFileName, "r" );
 +
$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) );
 +
 +
 +
 +
$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
 +
 +
if ( !$src_img )
 +
    {
 +
      $errorList =  "<br>$ wrong image format";;
 +
      exit( -1 );
 +
    }
 +
   
 +
$width  = imagesx( $src_img ); // get original source image width
 +
    $height = imagesy( $src_img ); // and height
 +
 +
$yCrop = 0;
 +
$xCrop = 0;
 +
 +
$in_prop =  $width / $height;
 +
$out_prop = $newImageWidth / $newImageHeight;
 +
 
 +
//resize main image, crop if nessery
 +
$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
 +
 +
if ( $width > $height )
 +
{
 +
  if ( $in_prop > $out_prop ) $xCrop = round( (($width - ( $height* $out_prop))/2) );
 +
  else $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
    else
 +
    {
 +
  $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
 +
imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
 +
 +
 +
$textColor= imagecolorallocate($image,255,0,0);
 +
 +
$font = "./VeraSe.ttf";
 +
$font_size = 40;
 +
$angle = 25;
 +
$x = 40;
 +
$y = 30;
 +
 +
imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
 +
 +
imagegammacorrect ( $image, 1.0, 1.15 );
 +
 
 +
if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
 +
 
 +
  }
 +
  else header("Location: form7.php?errorList=$errorList");
 +
}
 +
else header("Location: form7.php"); /* Redirect browser */
 +
?>
 +
<html>
 +
<body>
 +
<?php print $errorList ?>
 +
<img src="../user/test.JPG" />
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
== Сесии ==
 +
=== форма ===
 +
<pre>
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
error_reporting( E_ALL ^ E_NOTICE);
 +
session_start();
 +
 +
 +
if(isset($_GET['errorList']))
 +
{
 +
print $_GET['errorList'];
 +
};
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="form8a.php" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value="<?= $_SESSION['email'] ?>"  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value="<?= $_SESSION['name'] ?>"  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"><?= $_SESSION['comment'] ?></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
  <tr>
 +
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
=== обработка ===
 +
<pre>
 +
<?php
 +
session_start();
 +
 +
if (isset($_POST['submit']))
 +
{
 +
 +
$_SESSION['email'] = $_POST['email'];
 +
$_SESSION['name'] = $_POST['name'];
 +
$_SESSION['comment'] = $_POST['comment'];
 +
 +
 +
 +
    $maxSize = 500; //kB maximum file size
 +
$errorList = '';
 +
$newImageHeight = 400;
 +
$newImageWidth  = 600; //px
 +
 +
  if($_FILES["image"]['name'] )
 +
  {
 +
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
 +
    $fileExtension = end( $fileNameParts ); // part behind last dot
 +
    $photo_type = $_FILES["image"]['type'];
 +
  }
 +
  else $errorList = "<br />Моля изберете файл";
 +
 +
 
 +
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" )
 +
  {
 +
$errorList .=  "<br /> format is not supported";
 +
  }
 +
 
 +
  $photoSize = $_FILES["image"]['size']; // size of uploaded file
 +
  if ( !$errorList && $photoSize == 0 )
 +
  {
 +
$errorList =  "<br /> wrong data transfer";
 +
  }
 +
 
 +
  if ( !$errorList && $photoSize > $maxSize*1024)
 +
  {
 +
$errorList =  "<br>image is to large";
 +
  }
 +
 +
  if (!$errorList)
 +
  {
 +
 +
$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
 +
   
 +
   
 +
$tempFile = fopen( $tempFileName, "r" );
 +
$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) );
 +
 +
 +
 +
$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
 +
 +
if ( !$src_img )
 +
    {
 +
      $errorList =  "<br>$ wrong image format";;
 +
      exit( -1 );
 +
    }
 +
   
 +
$width  = imagesx( $src_img ); // get original source image width
 +
    $height = imagesy( $src_img ); // and height
 +
 +
$yCrop = 0;
 +
$xCrop = 0;
 +
 +
$in_prop =  $width / $height;
 +
$out_prop = $newImageWidth / $newImageHeight;
 +
 
 +
//resize main image, crop if nessery
 +
$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
 +
 +
if ( $width > $height )
 +
{
 +
  if ( $in_prop > $out_prop ) $xCrop = round( (($width - ( $height* $out_prop))/2) );
 +
  else $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
    else
 +
    {
 +
  $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
 +
imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
 +
 +
 +
$textColor= imagecolorallocate($image,255,0,0);
 +
 +
$font = "./VeraSe.ttf";
 +
$font_size = 40;
 +
$angle = 125;
 +
$x = 140;
 +
$y = 130;
 +
 +
imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
 +
 +
imagegammacorrect ( $image, 1.0, 1.15 );
 +
 
 +
if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
 +
 
 +
  }
 +
  else header("Location: form8.php?errorList=$errorList");
 +
}
 +
else header("Location: form8.php"); /* Redirect browser */
 +
?>
 +
<html>
 +
<body>
 +
<?php print $errorList ?>
 +
<img src="../user/test.JPG" />
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
== CAPTCHA ==
 +
 +
 +
=== генератор на картинки ===
 +
<pre>
 +
<?php
 +
 +
session_start();
 +
 +
class ImageGenerator{
 +
 +
  public $inputString;
 +
 
 +
  private $width;
 +
  private $height;
 +
  private $bgColor;
 +
  private $textColor;
 +
  private $img;
 +
 +
// initialize input arguments
 +
 +
public function __construct($inputString='Default Input String',$width=140,$height=40)
 +
{
 +
$this->inputString=$inputString;
 +
$this->width=$width;
 +
$this->height=$height;
 +
$this->bgColor=array(rand(0,128), rand(0,128), rand(0,128));
 +
$this->textColor=array(rand(128,255), rand(128,255), rand(128,255));
 +
}
 +
 +
// create image stream
 +
 +
  private function buildImageStream()
 +
  {
 +
if(!$this->img=imagecreate($this->width,$this->height))
 +
{
 +
throw new Exception('Error creating image stream');
 +
}
 +
 +
// allocate background color on image stream
 +
imagecolorallocate($this->img,$this->bgColor[0],$this->bgColor[1],$this->bgColor[2]);
 +
 +
// allocate text color on image stream
 +
$textColor=imagecolorallocate($this->img,$this->textColor[0],$this->textColor[1],$this->textColor[2]);
 +
 +
$font = "./VeraSe.ttf";
 +
$font_size = 16;
 +
$angle = 0;
 +
$x = (int)($this->width/2-strlen($this->inputString)*5);
 +
$y = (int)($this->height/2+9);
 +
 +
imagettftext( $this->img, $font_size, $angle, $x, $y, $textColor, $font, $this->inputString);
 +
 +
for ($i = 1; $i<3; $i++)
 +
{
 +
$a = rand(1, $this->width-1);
 +
$b = rand(1, $this->width-1);
 +
//imageline ( $this->img , $a , 0 , $b , $this->height-1 , $textColor);
 +
//imageline ( $this->img , $a-1 , 0 , $b-1 , $this->height-1 , $textColor);
 +
 +
}
 +
 +
for ($i = 1; $i<3; $i++)
 +
{
 +
$a = rand( 1,$this->height-1);
 +
$b = rand( 1,$this->height-1);
 +
//imageline ( $this->img ,  0, $a,  $this->width-1, $b, $textColor);
 +
//imageline ( $this->img ,  0, $a+1,  $this->width-1, $b+1, $textColor);
 +
}
 +
 +
 +
}
 +
 +
// display image stream on the browser
 +
public function displayImage()
 +
{
 +
$this->buildImageStream();
 +
header("Content-type: image/jpeg");
 +
// display image
 +
imagejpeg($this->img);
 +
// free up memory
 +
imagedestroy($this->img);
 +
}
 +
 +
public function randStr()
 +
{
 +
for ($i = 0; $i < 5; $i++) {
 +
        // this numbers refer to numbers of the ascii table (small-caps)
 +
$str .= strtoupper(chr(rand(97, 122)));
 +
}
 +
return $str;
 +
}
 +
 +
public function randMath()
 +
{
 +
$a = rand(1,11);
 +
$b = rand(1,11);
 +
$d = rand(11,21);
 +
$c = rand(0,1);
 +
 +
if ($c)
 +
{
 +
$str = "$a + $b = ?"; //string kojto se izvezhda
 +
$c = $a+$b; // string s kojtose sravnqva
 +
}
 +
else
 +
{
 +
$str = "$a * $b = ?";
 +
$c = $a*$b;
 +
}
 +
$res  = array ($c, $str);
 +
return $res;
 +
}
 +
 +
}
 +
 +
 +
// display sample input string
 +
 +
try{
 +
 +
// create new instance of 'ImageGenerator' class
 +
 +
  $imgGen=new ImageGenerator();
 +
 +
// display image stream on the browser
 +
$_SESSION['rand_code'] =  $imgGen->randMath(); //dobaveno ot ilianko
 +
  $imgGen->inputString = $_SESSION['rand_code'][1]; //string , kojto se izvezhda v kartinkata
 +
  //print $imgGen->inputString;
 +
  $imgGen->displayImage();
 +
}
 +
 +
catch(Exception $e)
 +
{
 +
  echo $e->getMessage();
 +
exit();
 +
}
 +
 +
?>
 +
</pre>
 +
 +
=== форма ===
 +
<pre>
 +
<html>
 +
<body>
 +
 +
<?php
 +
 +
error_reporting( E_ALL ^ E_NOTICE);
 +
session_start();
 +
 +
 +
if(isset($_GET['errorList']))
 +
{
 +
print $_GET['errorList'];
 +
};
 +
 +
?>
 +
 +
<div style="position:relative; top:100px; left:100px">
 +
<form method="post" name="comment" enctype="multipart/form-data" action="form9a.php" >
 +
<table>
 +
  <tr>
 +
    <td>Email: </td>
 +
    <td><input name="email" type="text" size="20" maxlength="199" value="<?= $_SESSION['email'] ?>"  /></td></tr>
 +
  <tr>
 +
    <td>Име </td>
 +
    <td><input name="name" type="text" size="20" maxlength="60" value="<?= $_SESSION['name'] ?>"  /></td></tr>
 +
  <tr>
 +
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"><?= $_SESSION['comment'] ?></textarea></td></tr>
 +
  <tr>
 +
  <tr>
 +
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 +
 +
  <tr>
 +
    <td><img src="validationImage.class.php"></td>
 +
    <td><input name="code" type="text" maxlength="3" size="5" /> Въведете резултата! </td></tr>
 +
  <tr>
 +
 +
  <tr>
 +
 
 +
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
 +
      </td></tr></table>
 +
</form>
 +
</div>
 +
 +
</body>
 +
</html>
 +
</pre>
 +
 +
=== обработка ===
 +
<pre>
 +
<?php
 +
session_start();
 +
 +
if (isset($_POST['submit']))
 +
{
 +
 +
$_SESSION['email'] = $_POST['email'];
 +
$_SESSION['name'] = $_POST['name'];
 +
$_SESSION['comment'] = $_POST['comment'];
 +
 +
if(!($_POST['code'] == $_SESSION['rand_code'][0] && $_SESSION['rand_code'][0]))
 +
{
 +
header("Location: form9.php?errorList=Грешна сметка!<br />");
 +
exit();
 +
}
 +
 +
 +
 +
 +
    $maxSize = 500; //kB maximum file size
 +
$errorList = '';
 +
$newImageHeight = 400;
 +
$newImageWidth  = 600; //px
 +
 +
  if($_FILES["image"]['name'] )
 +
  {
 +
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
 +
    $fileExtension = end( $fileNameParts ); // part behind last dot
 +
    $photo_type = $_FILES["image"]['type'];
 +
  }
 +
  else $errorList = "<br />Моля изберете файл";
 +
 +
 
 +
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" )
 +
  {
 +
$errorList .=  "<br /> format is not supported";
 +
  }
 +
 
 +
  $photoSize = $_FILES["image"]['size']; // size of uploaded file
 +
  if ( !$errorList && $photoSize == 0 )
 +
  {
 +
$errorList =  "<br /> wrong data transfer";
 +
  }
 +
 
 +
  if ( !$errorList && $photoSize > $maxSize*1024)
 +
  {
 +
$errorList =  "<br>image is to large";
 +
  }
 +
 +
  if (!$errorList)
 +
  {
 +
 +
$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
 +
   
 +
   
 +
$tempFile = fopen( $tempFileName, "r" );
 +
$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) );
 +
 +
 +
 +
$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
 +
 +
if ( !$src_img )
 +
    {
 +
      $errorList =  "<br>$ wrong image format";;
 +
      exit( -1 );
 +
    }
 +
   
 +
$width  = imagesx( $src_img ); // get original source image width
 +
    $height = imagesy( $src_img ); // and height
 +
 +
$yCrop = 0;
 +
$xCrop = 0;
 +
 +
$in_prop =  $width / $height;
 +
$out_prop = $newImageWidth / $newImageHeight;
 +
 
 +
//resize main image, crop if nessery
 +
$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
 +
 +
if ( $width > $height )
 +
{
 +
  if ( $in_prop > $out_prop ) $xCrop = round( (($width - ( $height* $out_prop))/2) );
 +
  else $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
    else
 +
    {
 +
  $yCrop = round( (($height - ($width/$out_prop))/2));
 +
    }
 +
 +
imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
 +
 +
 +
$textColor= imagecolorallocate($image,255,0,0);
 +
 +
$font = "./VeraSe.ttf";
 +
$font_size = 40;
 +
$angle = 125;
 +
$x = 140;
 +
$y = 130;
 +
 +
imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
 +
 +
imagegammacorrect ( $image, 1.0, 1.15 );
 +
 
 +
if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
 +
 
 +
  }
 +
  else header("Location: form9.php?errorList=$errorList");
 +
}
 +
else header("Location: form9.php"); /* Redirect browser */
 +
?>
 +
<html>
 +
<body>
 +
<?php print $errorList ?>
 +
<img src="../user/test.JPG" />
  
 
</body>
 
</body>
Line 69: Line 985:
  
 
</pre>
 
</pre>
 +
[[Category:PHP]]

Latest revision as of 13:56, 8 November 2015

HTML форма

<html>
<body>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

PHP вградени промеливи

<html>
<body>
	
<?php

print "POST ->";
print_r( $_POST);

print "GET ->";
print_r($_GET);
print "SERVER ->";
print_r($_SERVER);
print "SESSION ->";
print_r($_SESSION);


?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

Запис във файл


<html>
<body>

<?php


print "POST ->";
print_r( $_POST);

print "GET ->";
print_r($_GET);


if (isset($_POST['submit']))
{
	$fd = fopen('../user/data.txt' , 'a');
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['comment']."\n");
	fclose($fd);
}
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

Качване на файл



<html>
<body>
	
<?php

print "POST ->";
print_r( $_POST);

print "FILES ->";
print_r($_FILES);


if (isset($_POST['submit']))
{
	$fd = fopen('../user/data.txt' , 'a');
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['comment']."\n");
	fclose($fd);
}
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
  <tr>
 
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

Запис на качен файл

<html>
<body>
	
<?php
print "POST ->";
print_r( $_POST);

print "FILES ->";
print_r($_FILES);

if (isset($_POST['submit']))
{
		
  if($_FILES["image"]['name'] )
  {
    
 	$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
    copy ( $_FILES['image']['tmp_name'], '../user/'.$_FILES["image"]['name'] );
  }  
}
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
  <tr>
 
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

Обработка на изображение

<html>
<body>
	
<?php

print "POST ->";
print_r( $_POST);

print "FILES ->";
print_r($_FILES);


if (isset($_POST['submit']))
{
		
	
    $maxSize = 500; //kB maximum file size
	$errorList = '';
	$newImageHeight = 400;
	$newImageWidth  = 600; //px

   if($_FILES["image"]['name'] )
   {
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
    $fileExtension = end( $fileNameParts ); // part behind last dot
    $photo_type = $_FILES["image"]['type'];
   }
   else $errorList = "<br />Моля изберете файл";

  
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" ) 
   {
	$errorList .=  "<br /> format is not supported";
   }
  
   $photoSize = $_FILES["image"]['size']; // size of uploaded file
   if ( !$errorList && $photoSize == 0 ) 
   {
	$errorList =  "<br />$photoFileName - wrong data transfer";
   } 
  
  if ( !$errorList && $photoSize > $maxSize*1024) 
  {
	$errorList =  "<br>$photoFileName - image is to large";
  }
 
   if (!$errorList)
   {
	
	$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
    
    
	$tempFile = fopen( $tempFileName, "r" );
	$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) ); 
	 
	
	
	$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
	
	if ( !$src_img ) 
    {
       $errorList =  "<br>$photoFileName - wrong image format";;
       exit( -1 );
    } 
    
	$width  = imagesx( $src_img ); // get original source image width
    $height = imagesy( $src_img ); // and height
	 
	$yCrop = 0;
	$xCrop = 0;
	
	$in_prop =  $width / $height;
	$out_prop = $newImageWidth / $newImageHeight;
	   
	//resize main image, crop if nessery
	$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
	
	if ( $width > $height ) 
	{ 
	  if ( $in_prop > $out_prop )	$xCrop = round( (($width - ( $height* $out_prop))/2) );
	  else $yCrop = round( (($height - ($width/$out_prop))/2));
    }
    else 
    {
	  $yCrop = round( (($height - ($width/$out_prop))/2));
    }	
	 
	imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
	
	
	$textColor= imagecolorallocate($image,255,0,0);
	
	$font = "./VeraSe.ttf"; 
	$font_size = 40;
	$angle = 25;
	$x = 40;
	$y = 30;
		
	imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
	
	imagegammacorrect ( $image, 1.0, 1.15 );
   
	if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";


  
  }  
}
print $errorList;
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
  <tr>
 
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

Прехвърляне данни между скриптове

форма

<html>
<body>
	
<?php


print "GET ->";
print_r( $_GET);


if(isset($_GET['errorList']))
{
	print $_GET['errorList'];
};
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="form7a.php" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value=""  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value=""  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
  <tr>
 
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

обработка

<?php 

if (isset($_POST['submit']))
{
	$fd = fopen('../user/data.txt' , 'a');
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['email']."\n");
	fwrite ( $fd , $_POST['comment']."\n");
	fclose($fd);
	
	
    $maxSize = 500; //kB maximum file size
	$errorList = '';
	$newImageHeight = 400;
	$newImageWidth  = 600; //px

   if($_FILES["image"]['name'] )
   {
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
    $fileExtension = end( $fileNameParts ); // part behind last dot
    $photo_type = $_FILES["image"]['type'];
   }
   else $errorList = "<br />Моля изберете файл";

  
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" ) 
   {
	$errorList .=  "<br /> format is not supported";
   }
  
   $photoSize = $_FILES["image"]['size']; // size of uploaded file
   if ( !$errorList && $photoSize == 0 ) 
   {
	$errorList =  "<br /> wrong data transfer";
   } 
  
  if ( !$errorList && $photoSize > $maxSize*1024) 
  {
	$errorList =  "<br>image is to large";
  }
 
   if (!$errorList)
   {
	
	$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
    
    
	$tempFile = fopen( $tempFileName, "r" );
	$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) ); 
	 
	
	
	$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
	
	if ( !$src_img ) 
    {
       $errorList =  "<br>$ wrong image format";;
       exit( -1 );
    } 
    
	$width  = imagesx( $src_img ); // get original source image width
    $height = imagesy( $src_img ); // and height
	 
	$yCrop = 0;
	$xCrop = 0;
	
	$in_prop =  $width / $height;
	$out_prop = $newImageWidth / $newImageHeight;
	   
	//resize main image, crop if nessery
	$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
	
	if ( $width > $height ) 
	{ 
	  if ( $in_prop > $out_prop )	$xCrop = round( (($width - ( $height* $out_prop))/2) );
	  else $yCrop = round( (($height - ($width/$out_prop))/2));
    }
    else 
    {
	  $yCrop = round( (($height - ($width/$out_prop))/2));
    }	
	 
	imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
	
	
	$textColor= imagecolorallocate($image,255,0,0);
	
	$font = "./VeraSe.ttf"; 
	$font_size = 40;
	$angle = 25;
	$x = 40;
	$y = 30;
		
	imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
	
	imagegammacorrect ( $image, 1.0, 1.15 );
   
	if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
  
  }
  else header("Location: form7.php?errorList=$errorList");
}
else header("Location: form7.php"); /* Redirect browser */ 
?>
<html>
<body>
<?php print $errorList ?>
<img src="../user/test.JPG" />	

</body>
</html>

Сесии

форма

<html>
<body>
	
<?php

error_reporting( E_ALL ^ E_NOTICE);
session_start();


if(isset($_GET['errorList']))
{
	print $_GET['errorList'];
};
?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="form8a.php" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value="<?= $_SESSION['email'] ?>"  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value="<?= $_SESSION['name'] ?>"  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"><?= $_SESSION['comment'] ?></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
  <tr>
 
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

обработка

<?php
session_start(); 

if (isset($_POST['submit']))
{
	
	$_SESSION['email'] = $_POST['email'];
	$_SESSION['name'] = $_POST['name'];
	$_SESSION['comment'] = $_POST['comment'];
	
	
	
    $maxSize = 500; //kB maximum file size
	$errorList = '';
	$newImageHeight = 400;
	$newImageWidth  = 600; //px

   if($_FILES["image"]['name'] )
   {
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
    $fileExtension = end( $fileNameParts ); // part behind last dot
    $photo_type = $_FILES["image"]['type'];
   }
   else $errorList = "<br />Моля изберете файл";

  
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" ) 
   {
	$errorList .=  "<br /> format is not supported";
   }
  
   $photoSize = $_FILES["image"]['size']; // size of uploaded file
   if ( !$errorList && $photoSize == 0 ) 
   {
	$errorList =  "<br /> wrong data transfer";
   } 
  
  if ( !$errorList && $photoSize > $maxSize*1024) 
  {
	$errorList =  "<br>image is to large";
  }
 
   if (!$errorList)
   {
	
	$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
    
    
	$tempFile = fopen( $tempFileName, "r" );
	$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) ); 
	 
	
	
	$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
	
	if ( !$src_img ) 
    {
       $errorList =  "<br>$ wrong image format";;
       exit( -1 );
    } 
    
	$width  = imagesx( $src_img ); // get original source image width
    $height = imagesy( $src_img ); // and height
	 
	$yCrop = 0;
	$xCrop = 0;
	
	$in_prop =  $width / $height;
	$out_prop = $newImageWidth / $newImageHeight;
	   
	//resize main image, crop if nessery
	$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
	
	if ( $width > $height ) 
	{ 
	  if ( $in_prop > $out_prop )	$xCrop = round( (($width - ( $height* $out_prop))/2) );
	  else $yCrop = round( (($height - ($width/$out_prop))/2));
    }
    else 
    {
	  $yCrop = round( (($height - ($width/$out_prop))/2));
    }	
	 
	imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
	
	
	$textColor= imagecolorallocate($image,255,0,0);
	
	$font = "./VeraSe.ttf"; 
	$font_size = 40;
	$angle = 125;
	$x = 140;
	$y = 130;
		
	imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
	
	imagegammacorrect ( $image, 1.0, 1.15 );
   
	if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
  
  }
  else header("Location: form8.php?errorList=$errorList");
}
else header("Location: form8.php"); /* Redirect browser */ 
?>
<html>
<body>
<?php print $errorList ?>
<img src="../user/test.JPG" />	

</body>
</html>

CAPTCHA

генератор на картинки

<?php

session_start();

class ImageGenerator{

   public $inputString;
   
   private $width;
   private $height;
   private $bgColor;
   private $textColor;
   private $img;

// initialize input arguments

	public function __construct($inputString='Default Input String',$width=140,$height=40)
	{
		$this->inputString=$inputString;
		$this->width=$width;
		$this->height=$height;
		$this->bgColor=array(rand(0,128), rand(0,128), rand(0,128));
		$this->textColor=array(rand(128,255), rand(128,255), rand(128,255));
	}

// create image stream

  	private function buildImageStream()
  	{
		if(!$this->img=imagecreate($this->width,$this->height))
		{
			throw new Exception('Error creating image stream');
		}
		
		// allocate background color on image stream
		imagecolorallocate($this->img,$this->bgColor[0],$this->bgColor[1],$this->bgColor[2]);

		// allocate text color on image stream
		$textColor=imagecolorallocate($this->img,$this->textColor[0],$this->textColor[1],$this->textColor[2]);
		
		$font = "./VeraSe.ttf"; 
		$font_size = 16;
		$angle = 0;
		$x = (int)($this->width/2-strlen($this->inputString)*5);
		$y = (int)($this->height/2+9);
		
		imagettftext( $this->img, $font_size, $angle, $x, $y, $textColor, $font, $this->inputString);
		
		for ($i = 1; $i<3; $i++)
		{
		$a = rand(1, $this->width-1);
		$b = rand(1, $this->width-1);
		//imageline ( $this->img , $a , 0 , $b , $this->height-1 , $textColor);
		//imageline ( $this->img , $a-1 , 0 , $b-1 , $this->height-1 , $textColor);
		
		}
		
		for ($i = 1; $i<3; $i++)
		{
		$a = rand( 1,$this->height-1);
		$b = rand( 1,$this->height-1);
		//imageline ( $this->img ,  0, $a,  $this->width-1, $b, $textColor);
		//imageline ( $this->img ,  0, $a+1,  $this->width-1, $b+1, $textColor);
		}
		

	}

	// display image stream on the browser
	public function displayImage()
	{
		$this->buildImageStream();
		header("Content-type: image/jpeg");
		// display image
		imagejpeg($this->img);
		// free up memory
		imagedestroy($this->img);
	}
	
	public function randStr()
	{
		for ($i = 0; $i < 5; $i++) {
        // this numbers refer to numbers of the ascii table (small-caps)
		$str .= strtoupper(chr(rand(97, 122))); 
		}
		return $str;
	}
	
	public function randMath()
	{
		$a = rand(1,11);
		$b = rand(1,11);
		$d = rand(11,21);
		$c = rand(0,1);
		
		if ($c)
		{
			$str = "$a + $b = ?"; //string kojto se izvezhda
			$c = $a+$b; // string s kojtose sravnqva
		}
		else
		{
			$str = "$a * $b = ?"; 
			$c = $a*$b;
		}
		$res  = array ($c, $str);
		return $res;
	}
	
}


// display sample input string

try{

// create new instance of 'ImageGenerator' class

  $imgGen=new ImageGenerator();

// display image stream on the browser
 $_SESSION['rand_code'] =  $imgGen->randMath(); //dobaveno ot ilianko
  $imgGen->inputString = $_SESSION['rand_code'][1]; //string , kojto se izvezhda v kartinkata
  //print $imgGen->inputString;
  $imgGen->displayImage();
}

catch(Exception $e)
{
   	echo $e->getMessage();
	exit();
}

?>

форма

<html>
<body>
	
<?php

error_reporting( E_ALL ^ E_NOTICE);
session_start();


if(isset($_GET['errorList']))
{
	print $_GET['errorList'];
};

?>

<div style="position:relative; top:100px; left:100px">
<form method="post" name="comment" enctype="multipart/form-data" action="form9a.php" >
<table>
  <tr>
    <td>Email: </td>
    <td><input name="email" type="text" size="20" maxlength="199" value="<?= $_SESSION['email'] ?>"  /></td></tr>
  <tr>
    <td>Име </td>
    <td><input name="name" type="text" size="20" maxlength="60" value="<?= $_SESSION['name'] ?>"  /></td></tr>
  <tr>
    <td>Коментар: </td><td><textarea name="comment" cols="43" rows="4"><?= $_SESSION['comment'] ?></textarea></td></tr>
  <tr>
  <tr>
    <td>Картинка: </td><td><input type="file" name="image" title="Select Image"></td></tr>
 
  <tr>
    <td><img src="validationImage.class.php"></td>
    <td><input name="code" type="text" maxlength="3" size="5" /> Въведете резултата! </td></tr>
  <tr>
 
  <tr>
  
    <td colspan="2" align="center"><input type="submit" name="submit" id="ss" value="Изпрати">
      </td></tr></table>
</form>
</div>

</body>
</html>

обработка

<?php
session_start(); 

if (isset($_POST['submit']))
{
	
	$_SESSION['email'] = $_POST['email'];
	$_SESSION['name'] = $_POST['name'];
	$_SESSION['comment'] = $_POST['comment'];
	
	if(!($_POST['code'] == $_SESSION['rand_code'][0] && $_SESSION['rand_code'][0]))
	{
		header("Location: form9.php?errorList=Грешна сметка!<br />");
		exit();
	}

	
	
	
    $maxSize = 500; //kB maximum file size
	$errorList = '';
	$newImageHeight = 400;
	$newImageWidth  = 600; //px

   if($_FILES["image"]['name'] )
   {
    $fileNameParts = explode( ".", $_FILES["image"]['name']);
    $fileExtension = end( $fileNameParts ); // part behind last dot
    $photo_type = $_FILES["image"]['type'];
   }
   else $errorList = "<br />Моля изберете файл";

  
    if ( !$errorList && $fileExtension != "jpg" && $fileExtension != "JPG" ) 
   {
	$errorList .=  "<br /> format is not supported";
   }
  
   $photoSize = $_FILES["image"]['size']; // size of uploaded file
   if ( !$errorList && $photoSize == 0 ) 
   {
	$errorList =  "<br /> wrong data transfer";
   } 
  
  if ( !$errorList && $photoSize > $maxSize*1024) 
  {
	$errorList =  "<br>image is to large";
  }
 
   if (!$errorList)
   {
	
	$tempFileName = $_FILES['image']['tmp_name']; // temporary file at server side
    
    
	$tempFile = fopen( $tempFileName, "r" );
	$binaryPhoto = fread( $tempFile, filesize( $tempFileName ) ); 
	 
	
	
	$src_img = imagecreatefromstring( $binaryPhoto ); // try to create image
	
	if ( !$src_img ) 
    {
       $errorList =  "<br>$ wrong image format";;
       exit( -1 );
    } 
    
	$width  = imagesx( $src_img ); // get original source image width
    $height = imagesy( $src_img ); // and height
	 
	$yCrop = 0;
	$xCrop = 0;
	
	$in_prop =  $width / $height;
	$out_prop = $newImageWidth / $newImageHeight;
	   
	//resize main image, crop if nessery
	$image = imagecreatetruecolor( $newImageWidth, $newImageHeight );
	
	if ( $width > $height ) 
	{ 
	  if ( $in_prop > $out_prop )	$xCrop = round( (($width - ( $height* $out_prop))/2) );
	  else $yCrop = round( (($height - ($width/$out_prop))/2));
    }
    else 
    {
	  $yCrop = round( (($height - ($width/$out_prop))/2));
    }	
	 
	imagecopyresampled( $image, $src_img, 0, 0, $xCrop, $yCrop,$newImageWidth, $newImageHeight,($width-$xCrop*2), ($height-$yCrop*2) );
	
	
	$textColor= imagecolorallocate($image,255,0,0);
	
	$font = "./VeraSe.ttf"; 
	$font_size = 40;
	$angle = 125;
	$x = 140;
	$y = 130;
		
	imagettftext( $image, $font_size, $angle, $x, $y, $textColor, $font, 'TEST');
	
	imagegammacorrect ( $image, 1.0, 1.15 );
   
	if( imagejpeg( $image, '../user/test.JPG' )) $errorList = "Picture has been successfully uploaded!\n<br>\n";
  
  }
  else header("Location: form9.php?errorList=$errorList");
}
else header("Location: form9.php"); /* Redirect browser */ 
?>
<html>
<body>
<?php print $errorList ?>
<img src="../user/test.JPG" />	

</body>
</html>
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