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<?php $array1[0] = 'zero'; $array1[1] = 'one'; $array2[1] = 'one'; $array2[2] = 'two'; $array2[3] = 'three'; var_dump($array1 + $array2); var_dump(array_merge($array1 + $array2));
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected ''zero'' (T_CONSTANT_ENCAPSED_STRING) in /in/TMdc2 on line 2
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 T_CONSTANT_ENCAPSED_STRING in /in/TMdc2 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 T_CONSTANT_ENCAPSED_STRING in /in/TMdc2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TMdc2 on line 2
Process exited with code 255.

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