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run code in 200+ php & hhvm versions
<?php $positions = array ( 0 => array ( 'id' => 1, 'code' => 'abc123', '1_1' => '', '1_2' => 'Admin', '1_3' => '', '1_4' => 'Admin', '1_5' => '' ) ); $locations = array('1_1', '1_2', '1_3', '1_4', '1_5'); $output = array(); foreach ($positions as $position) { foreach ($locations as $location) { if ($position[$location] == 'Admin') { $output[] = array('code' => $position['code'], 'location' => $location); } } } print_r($output);
Output for 7.1.25 - 7.4.0beta2
Array ( [0] => Array ( [code] => abc123 [location] => 1_2 ) [1] => Array ( [code] => abc123 [location] => 1_4 ) )