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<?php $str1 = 'Hello world!'; //coming from the database $str2 = 'hello'; // coming from $_GET user input function str_contains_old(string $hay, string $needle) { return mb_stripos($hay, $needle) !== false; } var_dump(str_contains_old($str1, $str2)); var_dump(str_contains($str1, $str2));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true) bool(false)
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) Fatal error: Uncaught Error: Call to undefined function str_contains() in /in/LCa5e:11 Stack trace: #0 {main} thrown in /in/LCa5e on line 11
Process exited with code 255.
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