<?php
$bar = $foo ?: 'bar';
var_dump($bar);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- Warning: Undefined variable $foo in /in/ch5oC on line 3
string(3) "bar"
- Output for 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, 7.4.0 - 7.4.33
- Notice: Undefined variable: foo in /in/ch5oC on line 3
string(3) "bar"
- Output for 7.3.32 - 7.3.33
- string(3) "bar"
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected ':' in /in/ch5oC on line 3
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 ':' in /in/ch5oC on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/ch5oC on line 3
Process exited with code 255.
preferences:
226.45 ms | 401 KiB | 339 Q