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run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = array( 0 => (object) (array( 'id' => 1111, 'houseid' => 58, 'price' => 2995, )), 1 => (object) (array( 'id' => 1112, 'houseid' => 58, 'price' => 4050, )), 2 => (object) (array( 'id' => 1114, 'houseid' => 60, 'price' => 1695, )), 3 => (object) (array( 'id' => 1115, 'houseid' => 60, 'price' => 2250, )), 4 => (object) (array( 'id' => 1116, 'houseid' => 60, 'price' => 2295, )), ); $data = array_reduce($data, function ($a, $b) { $id = $b->houseid; unset($b->houseid); $a[$id][] = $b; return $a; }); var_dump($data); ?>
Output for 5.3.0 - 7.1.0
array(2) { [58]=> array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(1111) ["price"]=> int(2995) } [1]=> object(stdClass)#2 (2) { ["id"]=> int(1112) ["price"]=> int(4050) } } [60]=> array(3) { [0]=> object(stdClass)#3 (2) { ["id"]=> int(1114) ["price"]=> int(1695) } [1]=> object(stdClass)#4 (2) { ["id"]=> int(1115) ["price"]=> int(2250) } [2]=> object(stdClass)#5 (2) { ["id"]=> int(1116) ["price"]=> int(2295) } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/jPMaP on line 35
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 in /in/jPMaP on line 35
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jPMaP on line 35
Process exited with code 255.