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<?php $matchesMatches = function ($matches) { //$m = 1; //yield $m; // could put as a `for` so it is more optimized, but for now, that is premature optimization foreach ($matches as $match) { var_dump($match); // yeild $m; for ($i = 1; $i <= 3; $i++) { // Note that $i is preserved between yields. yield $i; } } }; $matches = [1,2, 3]; $matches = [1 => array('a', 'b'), 2 => array('c', 'd'), 3 => array('e', 'f')]; foreach ($matchesMatches($matches) as $m) { var_dump($m); }
Output for 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(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) int(2) int(3) array(2) { [0]=> string(1) "c" [1]=> string(1) "d" } int(1) int(2) int(3) array(2) { [0]=> string(1) "e" [1]=> string(1) "f" } int(1) int(2) int(3)
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/LDdRc on line 15
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/LDdRc on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/LDdRc on line 4
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/LDdRc on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LDdRc on line 4
Process exited with code 255.
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293.73 ms | 401 KiB | 459 Q