ini_set()¶
ini_set() is a PHP native function which can change PHP directive, during execution. This is useful to make a specific limit different, depending on the part of the application which runs. It might also be a security problem, when directives are used to protect the system, and are lifted with this function. However, some directives cannot be changed by this function, such as disable_classes for example.
The impact of ini_set() only applies to the current request. It will be reset to its default value with the next request.
The complement to this function is ini_get(), which collect the value of a directive without changing it; and ini_restore(), which reset the directives to their initial value.
<?php
print ini_get('memory_limit'); // for example 128M
ini_set('memory_limit', '1024M'); // now, 1 Gb
?>
See also The ini_set Function.
Related : php.ini, Directives, max_execution_time
