3v4l.org

run code in 300+ PHP versions simultaneously
<?php function coalesce($default, &...$args) { foreach ($args as &$arg) { if (!empty($arg)) { return $arg; } } return $default; } $e1 = []; $e2 = ''; echo coalesce('default', $e1, $happy, $e2);
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
default
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 default
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting variable (T_VARIABLE) in /in/IvLbR on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting T_VARIABLE in /in/IvLbR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting T_VARIABLE in /in/IvLbR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' in /in/IvLbR on line 4
Process exited with code 255.
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237.77 ms | 401 KiB | 326 Q