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<?php function foo(...$args) { var_dump(array_keys($args)); } foo(3, 4, 1, 2, 5, 7); foo(f: 3, g: 4, a: 1, b: 2, z: 5, w: 7);
Output for 8.0.0 - 8.0.3
array(6) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) } array(6) { [0]=> string(1) "f" [1]=> string(1) "g" [2]=> string(1) "a" [3]=> string(1) "b" [4]=> string(1) "z" [5]=> string(1) "w" }
Output for 7.3.0 - 7.3.27, 7.4.0 - 7.4.16
Parse error: syntax error, unexpected ':', expecting ')' in /in/XUL63 on line 8
Process exited with code 255.