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run code in 200+ php & hhvm versions
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<?php $hmv = array( 'HMV' => array( array( 'name' => 'Beavis & Butthead Do America', 'price' => 14.99), array( 'name' => 'Simpsons Movie', 'price' => 10.99), ), array( 'name' => 'South Park: Bigger Longer & Uncut', 'price' => 12.99), ); $virgin = array( 'Virgin Megastores' => array( array( 'name' => 'Beavis & Butthead Do America', 'price' => 14.99), array( 'name' => 'Simpsons Movie', 'price' => 9.99), array( 'name' => 'South Park: Bigger Longer & Uncut', 'price' => 12.99), ) ); $tower = array( 'Tower Records' => array( array( 'name' => 'Beavis & Butthead Do America', 'price' => 14.99), array( 'name' => 'Simpsons Movie', 'price' => 8.99), array( 'name' => 'South Park: Bigger Longer & Uncut', 'price' => 12.99), ) ); $stores = array($hmv, $virgin, $tower); # Sort all items individually foreach($stores as &$store){ uasort($store, function($a, $b){ if($a['price'] == $b['price']) return 0; return ($a['price'] < $b['price']) ? -1 : 1; }); } //unset($store); var_dump($stores);
Output for 5.3.0 - 7.2.0
Notice: Undefined index: price in /in/amgPG on line 44 Notice: Undefined index: price in /in/amgPG on line 45 array(3) { [0]=> array(2) { ["HMV"]=> array(2) { [0]=> array(2) { ["name"]=> string(28) "Beavis & Butthead Do America" ["price"]=> float(14.99) } [1]=> array(2) { ["name"]=> string(14) "Simpsons Movie" ["price"]=> float(10.99) } } [0]=> array(2) { ["name"]=> string(33) "South Park: Bigger Longer & Uncut" ["price"]=> float(12.99) } } [1]=> array(1) { ["Virgin Megastores"]=> array(3) { [0]=> array(2) { ["name"]=> string(28) "Beavis & Butthead Do America" ["price"]=> float(14.99) } [1]=> array(2) { ["name"]=> string(14) "Simpsons Movie" ["price"]=> float(9.99) } [2]=> array(2) { ["name"]=> string(33) "South Park: Bigger Longer & Uncut" ["price"]=> float(12.99) } } } [2]=> &array(1) { ["Tower Records"]=> array(3) { [0]=> array(2) { ["name"]=> string(28) "Beavis & Butthead Do America" ["price"]=> float(14.99) } [1]=> array(2) { ["name"]=> string(14) "Simpsons Movie" ["price"]=> float(8.99) } [2]=> array(2) { ["name"]=> string(33) "South Park: Bigger Longer & Uncut" ["price"]=> float(12.99) } } } }
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/amgPG on line 43
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/amgPG on line 43
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/amgPG on line 42
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/amgPG on line 42
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/amgPG on line 42
Process exited with code 255.