For Shared and Reseller customers you can easily do this in cPanel by taking the following steps:
- Log into your cPanel account
- Under the “Software / Services†section, click on “Select PHP versionâ€
- On the right hand side, click the link that says “Switch To PHP Optionsâ€.
- If this says “Switch To PHP Extensions†then you are already in the right spot
- Click the gray setting next to the following option:
- “memory_limit†– A drop down will appear and allow you to change the memory allowance per PHP process.
- Click “Saveâ€
For VPS / Dedicated customers:
- Log into WHM as root.
- Click on “PHP Configuration†under the “Service Configuration†menu
- Fill in the circle next to “Advanced Modeâ€
- Scroll down and look for “memory_limitâ€.
- You can change this variable to anything you want however you should never exceed the amount of your server. In most cases, 128M will be fine.
- Click “Save†at the bottom and make sure to restart Apache by clicking “HTTP Server (Apache)†in the left menu under “Restart Servicesâ€.