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<?php declare(strict_types=1); function my_str_starts_with(string $haystack, string $needle): bool { return true; } var_dump(str_starts_with(null, 'abc')); var_dump(my_str_starts_with(null, 'abc'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught TypeError: str_starts_with(): Argument #1 ($haystack) must be of type string, null given in /in/lSW22V:10 Stack trace: #0 /in/lSW22V(10): str_starts_with(NULL, 'abc') #1 {main} thrown in /in/lSW22V on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Call to undefined function str_starts_with() in /in/lSW22V:10 Stack trace: #0 {main} thrown in /in/lSW22V on line 10
Process exited with code 255.
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