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run code in 150+ php & hhvm versions
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<?php $items = array( array( array("Color" => "Blue"), array("Size" => "S") ), array( array("Color" => "Blue"), array("Size" => "M") ) ); $new_items = array_map(function ($item) { return array_map(function ($key_values) { $seed = array(); return array_reduce($key_values, function ($seed, $value) { var_dump($value); $seed[] = $value; return $seed; }, array()); }, $item); }, $items); var_dump($new_items);
Output for 5.3.0 - 7.1.0
string(4) "Blue" string(1) "S" string(4) "Blue" string(1) "M" array(2) { [0]=> array(2) { [0]=> array(1) { [0]=> string(4) "Blue" } [1]=> array(1) { [0]=> string(1) "S" } } [1]=> array(2) { [0]=> array(1) { [0]=> string(4) "Blue" } [1]=> array(1) { [0]=> string(1) "M" } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/hLB1g on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/hLB1g on line 12
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/hLB1g on line 12
Process exited with code 255.