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<?php $k = array_fill_keys(array(2,3,4,5), 0); $k += array_fill_keys(array(2,8,9,0), 0); var_dump($k);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(7) { [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [8]=> int(0) [9]=> int(0) [0]=> int(0) }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function array_fill_keys() in /in/cs0QD on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_fill_keys() in /in/cs0QD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_fill_keys() in /in/cs0QD on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_fill_keys() in /in/cs0QD on line 2