3v4l.org

run code in 300+ PHP versions simultaneously
<?php function coalesce() { foreach (func_get_args() as $arg) { if (null != $arg) { return $arg; } } return null; } var_dump(coalesce($foo['bar']['bar'], 1, null));
Output for 8.3.0 - 8.3.6
Warning: Undefined variable $foo in /in/Lca6a on line 12 Warning: Trying to access array offset on null in /in/Lca6a on line 12 Warning: Trying to access array offset on null in /in/Lca6a on line 12 int(1)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $foo in /in/Lca6a on line 12 Warning: Trying to access array offset on value of type null in /in/Lca6a on line 12 Warning: Trying to access array offset on value of type null in /in/Lca6a on line 12 int(1)
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: foo in /in/Lca6a on line 12 Notice: Trying to access array offset on value of type null in /in/Lca6a on line 12 Notice: Trying to access array offset on value of type null in /in/Lca6a on line 12 int(1)
Output for 7.3.32 - 7.3.33
int(1)
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: foo in /in/Lca6a on line 12 int(1)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: foo in /in/Lca6a on line 12 int(1)
preferences:
289.45 ms | 402 KiB | 342 Q