Sets the value of the given configuration option. The configuration option will keep this new value during the script's execution, and will be restored at the script's ending.
Parameters
varname
Not all the available options can be changed using ini_set(). There is a list of all available options in the appendix.
newvalue
The new value for the option.
Return Values
Returns the old value on success, FALSE on failure.
Examples
Example #1 Setting an ini option
<?php echo ini_get('display_errors');
if (!ini_get('display_errors')) { ini_set('display_errors', 1); }
echo ini_get('display_errors'); ?>
See Also
get_cfg_var() - Gets the value of a PHP configuration option
ini_get() - Gets the value of a configuration option