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run code in 150+ php & hhvm versions
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<?php $a = array(array("a"=>"aaaa")); var_dump($a["a"]); foreach ($a as &$row) { test($row["a"]); } function test($a) { echo $a; }
Output for 5.3.0 - 7.1.0
Notice: Undefined index: a in /in/cYfMR on line 3 NULL aaaa
Output for 5.0.0 - 5.2.17
Notice: Undefined index: a in /in/cYfMR on line 3 NULL aaaa
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/cYfMR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/cYfMR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/cYfMR on line 4
Process exited with code 255.