3v4l.org

run code in 300+ PHP versions simultaneously
<?php function acasesort($a, $b) { return strcasecmp($a, $b); } class A { function b() { $tags = array('Test', 'tests', 'tes', 'abc'); usort($tags, "acasesort"); var_dump($tags); } } $a = new A $a->b();
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/FD8rL on line 16
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/FD8rL on line 16
Process exited with code 255.

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