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POFatal error: Allowed memory size
 

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  1. POFatal error: Allowed memory size
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    <p>I am getting a fatal error from my image resize script that takes jpegs and resizes them and then saves. The image I am uploading are not over the max upload limit (not ever close) and based on the error I am not close to the limit. </p> <p><strong>Am I missing something about how the memory is used and why it would fail randomly but work on images that are larger?</strong></p> <pre><code>Fatal error: Allowed memory size of 52428800 bytes exhausted (tried to allocate 15756 bytes) in /home/content/t/w/e/myserver/html/test/includes/resize_class.php on line 34 </code></pre> <p>I have a php.ini file in the same directory</p> <pre><code>memory_limit = 50M post_max_size = 100M file_uploads = On upload_max_filesize = 192M </code></pre> <p>LINE 34: <code>$this-&gt;image = imagecreatefromjpeg($filename);</code></p> <p>resize_calss.php: Also to note. The user is uploading up to 3 iamges at a time and I am looping through and using this class to resize and save the thumbs on my server <pre><code>/* * File: SimpleImage.php * Author: Simon Jarvis * Copyright: 2006 Simon Jarvis * Date: 08/11/06 * Link: http://www.white-hat-web-design.co.uk/articles/php-image-resizing.php * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details: * http://www.gnu.org/licenses/gpl.html * */ class SimpleImage { var $image; var $image_type; function load($filename) { $image_info = getimagesize($filename); $this-&gt;image_type = $image_info[2]; if( $this-&gt;image_type == IMAGETYPE_JPEG ) { $this-&gt;image = imagecreatefromjpeg($filename); } elseif( $this-&gt;image_type == IMAGETYPE_GIF ) { $this-&gt;image = imagecreatefromgif($filename); } elseif( $this-&gt;image_type == IMAGETYPE_PNG ) { $this-&gt;image = imagecreatefrompng($filename); } } function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) { if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this-&gt;image,$filename,$compression); } elseif( $image_type == IMAGETYPE_GIF ) { imagegif($this-&gt;image,$filename); } elseif( $image_type == IMAGETYPE_PNG ) { imagepng($this-&gt;image,$filename); } if( $permissions != null) { chmod($filename,$permissions); } } function output($image_type=IMAGETYPE_JPEG) { if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this-&gt;image); } elseif( $image_type == IMAGETYPE_GIF ) { imagegif($this-&gt;image); } elseif( $image_type == IMAGETYPE_PNG ) { imagepng($this-&gt;image); } } function getWidth() { return imagesx($this-&gt;image); } function getHeight() { return imagesy($this-&gt;image); } function resizeToHeight($height) { $ratio = $height / $this-&gt;getHeight(); $width = $this-&gt;getWidth() * $ratio; $this-&gt;resize($width,$height); } function resizeToWidth($width) { $ratio = $width / $this-&gt;getWidth(); $height = $this-&gt;getheight() * $ratio; $this-&gt;resize($width,$height); } function scale($scale) { $width = $this-&gt;getWidth() * $scale/100; $height = $this-&gt;getheight() * $scale/100; $this-&gt;resize($width,$height); } function resize($width,$height) { $new_image = imagecreatetruecolor($width, $height); imagecopyresampled($new_image, $this-&gt;image, 0, 0, 0, 0, $width, $height, $this-&gt;getWidth(), $this-&gt;getHeight()); $this-&gt;image = $new_image; } } ?&gt; </code></pre>
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    1. COShow us the function in *resize_class.php* that contains line 34, and then people can try to help you. How are we supposed to debug code we can't see? :)
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    2. COHave you run an xDebug trace to see what is taking all the memory? Maybe you can find the leak so you can stay under the 50MB limit you exceeded?
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    3. COSorry about that see edit above regarding line 34. I will take a look at xDebug
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