strpos() Emits ValueError

strpos() and stripos() emits a ValueError when the offset is out of range. In PHP 7.4, it emitted a warning.

PHP code

<?php
  strpos('a', 'abc', 17);
?>

Before

PHP Warning:  strpos(): Offset not contained in string

Warning: strpos(): Offset not contained in string
bool(false)

After

PHP Fatal error:  Uncaught ValueError: strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack) 

PHP version change

This behavior changed in 8.0.

Error Messages

• Offset not contained in string

Extension