Online PHP editor | refs for ZAmgD

<?php function getValues(&$egElement, $property, $option = NULL) { if(is_array($egElement) === FALSE) { return array(); } if(is_int($option) and $option > 1) { $values = array(); foreach($egElement as $key => $egSubElement) { $values = array_merge($values, getValues($egSubElement, $property, $option - 1)); } return $values; } $values = array(); foreach($egElement as $key => $eElement) { if(array_key_exists($property, $eElement)) { if(is_string($option)) { $values[$key] = call_user_func_array($option, array($eElement[$property])); } else if($option === TRUE) { $values[$key] = &$egElement[$key][$property]; } else { $values[$key] = $eElement[$property]; } } } reset($egElement); return $values; } $egElement = array(); for($i=0;$i<1000000;$i++) { $egElement[] = array('id' => (int)rand(0,100)); } $m = memory_get_usage(true); $mm = memory_get_peak_usage(true); $t = microtime(true); getValues($egElement, 'id'); echo "Memory: ".(memory_get_usage(true) - $m)." octets\n"; echo "Max Memory: ".(memory_get_peak_usage(true) - $mm)." octets\n"; echo "Time: ".(microtime(true) - $t)." secondes\n"; $m = memory_get_usage(true); $mm = memory_get_peak_usage(true); $t = microtime(true); array_column($egElement, 'id'); echo "Memory: ".(memory_get_usage(true) - $m)." octets\n"; echo "Max Memory: ".(memory_get_peak_usage(true) - $mm)." octets\n"; echo "Time: ".(microtime(true) - $t)." secondes\n";