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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; } }; $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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } array(2) { [0]=> string(1) "c" [1]=> string(1) "d" } array(2) { [0]=> string(1) "e" [1]=> string(1) "f" } Warning: foreach() argument must be of type array|object, null given in /in/1Z7PR on line 18
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } array(2) { [0]=> string(1) "c" [1]=> string(1) "d" } array(2) { [0]=> string(1) "e" [1]=> string(1) "f" } Warning: foreach() argument must be of type array|object, null given in /in/1Z7PR on line 18
Output for 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
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } array(2) { [0]=> string(1) "c" [1]=> string(1) "d" } array(2) { [0]=> string(1) "e" [1]=> string(1) "f" } Warning: Invalid argument supplied for foreach() in /in/1Z7PR on line 18
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/1Z7PR on line 16
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/1Z7PR 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/1Z7PR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1Z7PR on line 4
Process exited with code 255.

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