PHP CLI increase memory limit

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When running a PHP script from command line interface (CLI), a higher memory limit may be required in order for the script to be successfully executed. This can be achieved using the “-d” or “–define” option in the command. According to the manual:

This option allows you to set a custom value for any of the configuration directives allowed in php.ini.

An example of running a PHP script in CLI with custom memory limit:

php -d memory_limit=128M my_script.php

Of course the “-d” or “–define” option is not limited to the memory limit directive; it can be use to alter other php.ini directives as well.

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