Install PHP 7 from source on Raspbian/Debian

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Prerequisite: Apache 2 installation exists

Steps:

  1. Download PHP source code from http://php.net/downloads.php and then decompressed it to have a PHP folder contains source code
  2. On the terminal, install the libxml2:
    sudo apt-get install libxml2-dev
  3. Inside the PHP folder at step #1,configure the build:
    ./configure ––with-apxs2=/usr/local/apache2/bin/apxs ––with-mysqli ––enable-mbstring
    Notes:

    • apxs was installed when installing Apache 2. In this example, the Apache 2 was installed at /usr/local/apache2.
    • The default location of php.ini is /usr/local/lib/. Use ––with-config-file-path=<path> if you need to put the php.ini file at somewhere else.
    • ––with-mysql was removed, use ––with-mysqli instead (https://github.com/php-build/php-build/issues/348)
    • ––enable-mbstring is required for using phpMyAdmin
  4. Install:
    sudo make
    sudo make install
  5. Verify:
    php -v

Here are a few more steps to configure Apache 2 to support PHP:

  1. Open the httpd.conf to edit:
    sudo nano /usr/local/apache2/conf/httpd.conf
  2. Make sure the following line exists and not commented:
    LoadModule php7_module modules/libphp7.so
  3. Add the following lines to let Apache parse PHP files:
    <FilesMatch “\.phps$”>
            SetHandler application/x-httpd-php-source
    </FilesMatch>
  4. Enable mod_rewrite:
    LoadModule rewrite_module modules/mod_rewrite.so
    RewriteEngine On
  5. Save and close Nano by pressing Ctrl+X and Y
  6. Restart Apache 2:
    sudo /usr/local/apache2/bin/apachectl restart
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