Change PHP version MAMP

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MAMP comes bundled with several PHP versions, and you can choose the recent two from the UI.

change php version mamp

You can check the installed PHP version at location /Applications/MAMP/bin/php.

mamp php version

If the required version is not in the /Applications/MAMP/bin/php folder, first, you need to install the version. In my case, PHP version 8.1.10 is already installed on the system, which I want to use with MAMP.

mamp change php version

Once the version is installed on your machine, follow the below steps to change the PHP version on MAMP.

Step 1: Navigate to the location where PHP is installed. In my case it is /usr/local/Cellar/php

how to change the php version in mamp

Step 2: Next we need to copy the PHP folder 8.1.10_1. Open the location from UI. Click on Go -> Go to Finder and paste the path /usr/local/Cellar/php.

how to downgrade php version in mamp

Copy the folder and paste it to /Applications/MAMP/bin/php. To do it using command line use

cp -r 8.1.10_1 /Applications/MAMP/bin/php/

Step 3: Rename the folder you pasted by following the naming convention used by the existing folders. Otherwise, MAMP will not detect your version.

how to upgarde php version in mac mamp

I have renamed folder 8.1.10_1 to php8.1.10.

Step 4: Restart MAMP and check for the latest version is showing. You will get an error if you try to switch to the PHP version in MAMP and start server. 

apache could not start mamp

You can get more detail about the error by opening the apachectl file located at the path /Applications/MAMP/Library/bin

apache can not load

We are getting the error at line number 160 in httpd.conf file because MAMP is looking for file which is not avilable at path


You will find file in /Applications/MAMP/bin/php/php8.1.10/lib/httpd/modules/ or /usr/local/lib/httpd/modules/

Step 5: Copy modules folder containing file to php8.1.10 folder so that file is available at path MAMP is looking for.

Step 6: Restart MAMP. This time you will not get any errors.


Video Tutorial: MAMP Change PHP Version