3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($str, $substr) { echo strpos(substr($str,1), $substr); return strpos(substr($str,1), $substr) >= 0; } function test2($str, $substr) { return strpos($str, $substr) > 0; } $str = 'hello'; $sub = 'he'; var_dump( test($str, $sub), test2($str, $sub) ); ?>

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33.72 ms | 402 KiB | 5 Q