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<?php function returnArray() { return array(1,2,45); } $foo = array(99,98); $foo = array_merge(returnArray(), $foo); var_dump($foo);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(45) [3]=> int(99) [4]=> int(98) }