How to change the default php version on mac

In Mac systems, Apache uses the preset PHP version by default. However, we can use Homebrew to install a different PHP version and then set it as the default version used by Apache. In order to achieve this, we need to modify the Apache configuration file (httpd.conf) to ensure that it links to the correct PHP version.

Here are the steps to switch the default PHP version on your Mac to the Homebrew PHP version:

1. Install Homebrew

Homebrew is the most popular on Mac One of the package managers. Using it, you can quickly install various tools and software packages into your Mac. If you haven't installed Homebrew yet, follow the steps below.

Open a terminal and execute the following command:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/ master/install)"

This will install Homebrew on your Mac.

2. Install the required PHP version

Now you can use Homebrew to install any PHP version you need. Run the following command in the terminal to install PHP:

brew install php

This will install the latest version of PHP. If you want to install a specific version of PHP, run the following command:

brew install php@7.3

This will install the PHP 7.3 version. You can replace the version number to install the desired version.

3. Make Homebrew PHP as the default PHP version

Now that we have installed the required PHP version, the next thing to do is to set Homebrew PHP as the default PHP version . To do this, you need to edit the Apache configuration file (httpd.conf) on your Mac.

Open a terminal and execute the following command:

sudo nano /etc/apache2/httpd.conf

This will open the httpd.conf file for edit. Please note that you must enter your administrator password to edit this file.

In the file, find the following line:

LoadModule php7_module libexec/apache2/libphp7.so

Replace it with the following line:

LoadModule php_module /usr/local/opt/php/lib/httpd/modules/libphp.so

Then, find the following line:

#AddHandler php7-script php

Replace it with the following line:

AddHandler php-script .php

Now, save and close the file.

4. Restart the Apache server

Execute the following command to restart the Apache server:

sudo apachectl restart

Now you have switched the default PHP version on your Mac to the Homebrew PHP version. You can run the following command to check the PHP version you have installed:

php -v

This will display the PHP version you are currently using.

Summary

Here are the steps to switch the default PHP version on your Mac to the Homebrew PHP version. Remember, before making changes to system files, always back up the original files. This can help you prevent any potential adverse consequences.

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