3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function my_str_starts_with(string $haystack, string $needle): bool { return true; } var_dump(str_starts_with(null, 'abc')); var_dump(my_str_starts_with(null, 'abc'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: str_starts_with(): Argument #1 ($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 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 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.
preferences:
140.49 ms | 402 KiB | 181 Q