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<?php function test($arg){ $tmp = array(); if ($arg > 5) { $tmp[] = $arg; } var_dump($tmp); return "return" . $arg; } var_dump(array_map("test", range(1, 10)));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(1) { [0]=> int(6) } array(1) { [0]=> int(7) } array(1) { [0]=> int(8) } array(1) { [0]=> int(9) } array(1) { [0]=> int(10) } array(10) { [0]=> string(7) "return1" [1]=> string(7) "return2" [2]=> string(7) "return3" [3]=> string(7) "return4" [4]=> string(7) "return5" [5]=> string(7) "return6" [6]=> string(7) "return7" [7]=> string(7) "return8" [8]=> string(7) "return9" [9]=> string(8) "return10" }

preferences:
338.47 ms | 407 KiB | 460 Q