3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = (1 === '1') ?: 'bar'; var_dump($foo); $foo = (1 === 1) ?: 'bar'; var_dump($foo); $foo = (1 !== 1) ?: $bar; var_dump($foo);
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
string(3) "bar" bool(true) Warning: Undefined variable $bar in /in/maIRb on line 9 NULL
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 string(3) "bar" bool(true) Warning: Undefined variable $bar in /in/maIRb on line 9 NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
string(3) "bar" bool(true) Notice: Undefined variable: bar in /in/maIRb on line 9 NULL
Output for 7.3.32 - 7.3.33
string(3) "bar" bool(true) NULL
preferences:
156.85 ms | 401 KiB | 172 Q