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Knowledge Base
How to change the memory limit for PHP scripts
This article describes how to change the memory limit for PHP scripts by using the memory_limit directive in a php.ini file.
The information in this article only applies to certain types of hosting accounts. To determine whether or not the information below applies to your account, please see this article.
This article assumes that you have already set up a custom php.ini file on your web site. If you have not already set up a custom php.ini file, please read this article first.
Table of Contents
Using the memory_limit directive
By default, a PHP script can allocate up to 128 megabytes of memory.
To change this limit, use a text editor to modify the memory_limit directive in your php.ini file. For example, to allow scripts to allocate a maximum amount of 256 megabytes of memory, use the following setting:
memory_limit = 256M
To verify the current value of the memory_limit directive and other directives, you can use the phpinfo() function. For more information, please see this article.
More Information
- To view a complete list of php.ini directives, please visit http://www.php.net/manual/en/ini.list.php.
- For more information about the memory_limit directive, please visit http://www.php.net/manual/en/ini.core.php#ini.memory-limit.
