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PHP Configuration on Ubuntu

Table of contents

PHP7.4

sudo apt install php7.4 php7.4-fpm php7.4-mysql php-common php7.4-cli php7.4-common php7.4-json php7.4-opcache php7.4-readline php7.4-mbstring php7.4-xml php7.4-gd php7.4-curl
sudo systemctl start php7.4-fpm
sudo systemctl enable php7.4-fpm
systemctl status php7.4-fpm

PHP without version

sudo apt update
sudo apt install php-fpm php-mysql
sudo apt install php-curl php-gd php-intl php-mbstring php-soap php-xml php-xmlrpc php-zip
sudo systemctl restart php7.2-fpm

Configure Nginx with php7.2

Common 502 Bad Gateway error

  • Misconfiguration on fastcgi_pass with incorrect php version can trigger 502 bad gateway error.
server {
        root /var/www/html;
        index index.php index.html index.htm index.nginx-debian.html;
        server_name [example.com];

        location / {
                try_files $uri $uri/ =404;
                }

        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
                }       

        location ~ /\.ht {
                deny all;
                }
}

Add info.php

  • A couple of PHP samples

      <?php phpinfo(); ?>
    
      <?php echo "Page requested on: " . date("Y-m-d H:i:sa");?>
    

Test PHP

<?php sleep(1); ?>
<h1>Date: <?php echo date("l jS F"); ?></h1>  

Increase upload size with php.ini and wp-config.php

  • Point 1 or Point 2 are dependent configurations
  1. Run vim /etc/php/7.4/fpm/php.ini

     upload_max_filesize = 100M
     post_max_size = 100M
    
  2. Add below to wp-config.php

     @ini_set( 'upload_max_filesize' , '128M' );
     @ini_set( 'post_max_size', '128M');
     @ini_set( 'memory_limit', '256M' );
     @ini_set( 'max_execution_time', '300' );
     @ini_set( 'max_input_time', '300' );
    
  3. Reload systemctl reload php7.4-fpm