3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); var_dump(str_replace('a', 'b', null)); var_dump(str_replace('a', 'b', 123)); var_dump(str_replace('a', 'b', "test")); var_dump(str_replace('a', 'b', false));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2
Fatal error: Uncaught TypeError: str_replace(): Argument #3 ($subject) must be of type array|string, null given in /in/YOktG:5 Stack trace: #0 /in/YOktG(5): str_replace('a', 'b', NULL) #1 {main} thrown in /in/YOktG on line 5
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: str_replace(): Argument #3 ($subject) must be of type array|string, null given in /in/YOktG:5 Stack trace: #0 /in/YOktG(5): str_replace('a', 'b', NULL) #1 {main} thrown in /in/YOktG on line 5
Process exited with code 255.
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33
string(0) "" string(3) "123" string(4) "test" string(0) ""
preferences:
59.39 ms | 411 KiB | 5 Q