PHP

Check PHP versions, PHP-FPM pools, modules and settings. Important on servers that run several PHP versions side by side.

14 one-liners: 10 harmless, 4 caution, 0 destructive

php 14 plesk 4 php-ini 3 php-fpm 3 composer 2 opcache 2 configuration 2 version 2

Check all PHP files in a directory for syntax errors

$find /var/www/vhosts/example.com/httpdocs/wp-content/themes -name '*.php' -exec php -l {} \; 2>&1 | grep -v '^No syntax errors'

Check Composer packages for known vulnerabilities

$composer audit --working-dir=/var/www/vhosts/example.com/httpdocs

Check PHP OPcache settings

$php -i | grep -E '^opcache\.(enable|enable_cli|memory_consumption|max_accelerated_files|validate_timestamps|revalidate_freq) '

Check the current value of a PHP setting

$php -i | grep -i memory_limit

Check whether a PHP extension is loaded

$php -m | grep -i imagick

Count PHP-FPM processes per pool

$ps -eo args | grep '[p]hp-fpm: pool' | awk '{print $NF}' | sort | uniq -c | sort -rn

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Install Composer dependencies for production

$composer install --no-dev --optimize-autoloader --working-dir=/var/www/vhosts/example.com/httpdocs

List all installed Plesk PHP versions

$for p in /opt/plesk/php/*/bin/php; do echo "$p: $($p -r 'echo PHP_VERSION;')"; done

Reload PHP-FPM for a Plesk PHP version

#systemctl reload plesk-php83-fpm

Run a PHP script once without a memory limit

$php -d memory_limit=-1 /var/www/vhosts/example.com/httpdocs/import.php

Run a PHP script with a specific Plesk PHP version

$/opt/plesk/php/8.3/bin/php /var/www/vhosts/example.com/httpdocs/cron.php

Show all PHP-FPM services and their status

$systemctl list-units --type=service --all 'php*-fpm*' 'plesk-php*-fpm*'

Show the loaded php.ini files

Show the PHP version on the command line