3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = 'Hello, there!'; if (!strpos($string, 'Hello')) { echo 'Did not detect "Hello" in string (default)' . PHP_EOL; } if (false == strpos($string, 'Hello')) { echo 'Did not detect "Hello" in string (loose equality)' . PHP_EOL; } if (false === strpos($string, 'Hello')) { echo 'Did not detect "Hello" in string (strict equality)' . PHP_EOL; }
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Did not detect "Hello" in string (default) Did not detect "Hello" in string (loose equality)
preferences:
60.68 ms | 984 KiB | 4 Q