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<?php $array = [ 'test', 'test-2' => [ 'hello', 'world', ], 'test-3', ]; foreach ($array as $key => $value) { var_dump($key, $value); }
based on ERR19
Output for 5.4.0 - 7.2.0
int(0) string(4) "test" string(6) "test-2" array(2) { [0]=> string(5) "hello" [1]=> string(5) "world" } int(1) string(6) "test-3"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/hNnDX on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/hNnDX on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hNnDX on line 2
Process exited with code 255.