3v4l.org

run code in 300+ PHP versions simultaneously
<?php $NUM = 10000000; $singleQuotedStringCode = "<?php '" . str_repeat('x', $NUM) . "';"; $doubleQuotedStringCode = '<?php "' . str_repeat('x', $NUM) . '";'; $startTime = microtime(true); token_get_all($singleQuotedStringCode); $endTime = microtime(true); echo 'Single quotes: ', $endTime - $startTime, ' seconds', "\n"; $startTime = microtime(true); token_get_all($doubleQuotedStringCode); $endTime = microtime(true); echo 'Double quotes: ', $endTime - $startTime, ' seconds', "\n";

preferences:
33.2 ms | 402 KiB | 5 Q