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<?php function foo($a, $b, ...$rest) { echo 'a = '; var_dump($a); echo 'b = '; var_dump($b); echo 'rest = '; print_r($rest); echo "---------\n"; } $values = [42, 37, 23, 19]; foo(10, 20, 30, 40, 50); foo(10, 20); foo(10, 20, 30, ...$values); foo(10, ...$values); foo(...$values);
Output for 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
a = int(10) b = int(20) rest = Array ( [0] => 30 [1] => 40 [2] => 50 ) --------- a = int(10) b = int(20) rest = Array ( ) --------- a = int(10) b = int(20) rest = Array ( [0] => 30 [1] => 42 [2] => 37 [3] => 23 [4] => 19 ) --------- a = int(10) b = int(42) rest = Array ( [0] => 37 [1] => 23 [2] => 19 ) --------- a = int(42) b = int(37) rest = Array ( [0] => 23 [1] => 19 ) ---------
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/BDjCh on line 2
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/BDjCh on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/BDjCh on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE or T_CONST in /in/BDjCh 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
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE or T_CONST in /in/BDjCh on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/BDjCh on line 2
Process exited with code 255.

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