<?php  if (! function_exists('array_column')) {function array_column(array $a0, $b1, $c2 = null) {$d3 = array();foreach ($a0 as $value) {if (!array_key_exists($b1, $value)) {trigger_error("Key \"$b1\" does not exist in array");return false;} if (is_null($c2)) {$d3[] = $value[$b1];} else {if (!array_key_exists($c2, $value)) {trigger_error("Key \"$c2\" does not exist in array");return false;} if (! is_scalar($value[$c2])) {trigger_error("Key \"$c2\" does not contain scalar value");return false;} $d3[$value[$c2]] = $value[$b1];}} return $d3;}}