3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($x) { function bar() use ($x) { echo "this makes $x sense"; } } foo(5);
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.21, 7.0.0 - 7.0.6
Parse error: syntax error, unexpected 'use' (T_USE), expecting '{' in /in/33fr0 on line 4
Process exited with code 255.
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158.14 ms | 1425 KiB | 7 Q