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<?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 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2
Did not detect "Hello" in string (default) Did not detect "Hello" in string (loose equality)
preferences:
39.37 ms | 406 KiB | 5 Q