= 70200)) { $issues[] = 'Your Composer dependencies require a PHP version ">= 7.2.0". You are running ' . PHP_VERSION . '.'; } $missingExtensions = array(); extension_loaded('json') || $missingExtensions[] = 'json'; extension_loaded('xml') || $missingExtensions[] = 'xml'; if ($missingExtensions) { $issues[] = 'Your Composer dependencies require the following PHP extensions to be installed: ' . implode(', ', $missingExtensions); } if ($issues) { trigger_error( 'Composer detected issues in your platform: ' . implode(', ', $issues), E_USER_ERROR ); }