gallery file upload problem php -

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i have script:

 if(($_post['number2'] && !$_post['button_add']) || ($_post['number2'] && !$_post['button_add_gal'])) { $num=$_post['number2'];             for($p=0; $p<$num; $p++) {             if ($_post['page']=='news') {                         $dir = '../images/news/'; // Директорията в която ще се записват файловете                         }                         if ($_post['page']=='gallery') {                         $dir = '../images/gallery/'; // Директорията в която ще се записват файловете                         }                         $name[$p]='gal_'.$_files['file']['name'][$p];                         move_uploaded_file($_files['file']['tmp_name'][$p], $dir.$name[$p]);             $filename[$p] = $name[$p];                            if ($_post['page']=='news') {                         createthumb('../images'.directory_separator.'news'.directory_separator.$filename[$p]);                  echo '<img src="../images/news/thumb_'.$filename[$p].'" width="50" height="50" border="0" style="margin-left:10px;">';                         }                         if ($_post['page']=='gallery') {                           createthumb('../images'.directory_separator.'gallery'.directory_separator.$filename[$p]);                  echo '<img src="../images/gallery/thumb_'.$filename[$p].'" width="50" height="50" border="0" style="margin-left:10px;">';                   if($_post['page']=='gallery'){             resizeimage('../images'.directory_separator.'gallery'.directory_separator.$filename[$p]);   }                         if ($_post['page']=='news'){                            resizeimage('../images'.directory_separator.'news'.directory_separator.$filename[$p]);                         }                         }  } }     function createthumb($source, $thumb_width=150)         {      $fl = dirname($source);      $new_name = 'thumb_'.basename($source);      $img = imagecreatefromjpeg($source);      $width = imagesx($img);      $height = imagesy($img);      $new_width = $thumb_width;      $new_heght = floor($height * ($thumb_width / $width));      $tmp_img = imagecreatetruecolor( $new_width, $new_heght );      imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_heght, $width, $height);       imagejpeg($tmp_img, $fl.directory_separator.$new_name);         }           function resizeimage($source, $thumb_width=700)         {      $fl = dirname($source);      $new_name = basename($source);      $img = imagecreatefromjpeg($source);      $width = imagesx($img);      $height = imagesy($img);      $new_width = $thumb_width;      $new_heght = floor($height * ($thumb_width / $width));      $tmp_img = imagecreatetruecolor( $new_width, $new_heght );      imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_heght, $width, $height);       imagejpeg($tmp_img, $fl.directory_separator.$new_name);         }

it works fine small pictures if use bigger pictures works 2 files. if attach 3 or more files upload them , when page refreshed, expecting see uploaded pictures there nothing on page. it's returned default state. not error message displayed. reconfigured php5.ini upload_max_filesize 100m still nothing.i use php5 file extensions , safe_mode switched off php5 cgi mode , gd2 active. problem?

i wonder if script timing out? add ini_set("max_execution_time", 500); or top of script , see if helps


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