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<?php $a = [1, 2]; list($a, $b) = $a;   // OLD: $a = 1, $b = 2 // NEW: $a = 1, $b = null + "Undefined index 1"   $b = [1, 2]; list($a, $b) = $b; // OLD: $a = null + "Undefined index 0", $b = 2 // NEW: $a = 1, $b = 2
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ' ' (T_STRING) in /in/UJdgr on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/UJdgr on line 2
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/UJdgr on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/UJdgr on line 2
Process exited with code 255.

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