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Show the PHP version on the command line

harmlessPHPalle
user@server
php -v

Prints the version of the PHP binary found first in PATH, including the Zend Engine and OPcache if present. This is the PHP version used by scripts, cron jobs and Composer in the shell. The version a website uses may differ.

Note: On Plesk servers, php is usually the Debian system version. The website versions live under /opt/plesk/php/<version>/bin/php.

Also searched as

  • which php version is installed
  • check php version
  • php version shell

Related one-liners

All in PHP

List all installed Plesk PHP versions

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

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'
harmlessPHP

Check Composer packages for known vulnerabilities

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

Check PHP OPcache settings

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

Check the current value of a PHP setting

$php -i | grep -i memory_limit
harmlessPHP

Check whether a PHP extension is loaded

$php -m | grep -i imagick
harmlessPHP

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