Online PHP editor | refs for ZogHd

<?php define('NUM_INSTANCES', 10); define('NUM_TESTS', 10000); class TestObject { public $a; public $b; public $c; public function __construct($a,$b,$c) { $this->a = $a; $this->b = $b; $this->c = $c; } } class Test { public function getObjects() { $a = array(); for ($i=0; $i<NUM_INSTANCES; $i++) $a[] = new TestObject('a','b','c'); return $a; } public function getArrays() { $a = array(); for ($i=0; $i<NUM_INSTANCES; $i++) $a[] = $this->buildArray('a', 'b', 'c'); return $a; } public function buildArray($a, $b, $c) { $array = array(); $array['a'] = $a; $array['b'] = $b; $array['c'] = $c; return $array; } public function useObject($o) { $a = $o->a; $b = $o->b; $o->c = 'xxx'; } public function useArray($o) { $a = $o['a']; $b = $o['b']; $o['c'] = 'xxx'; } } $test = new Test; // Benchmark with objects: $start = microtime(true); for ($i=0; $i<NUM_TESTS; $i++) { $x = $test->getObjects(); foreach ($x as $y) $test->useObject($y); } echo "\nObject time = " . (microtime(true)-$start) . "\n\n"; // Benchmark with arrays: $start = microtime(true); for ($i=0; $i<NUM_TESTS; $i++) { $x = $test->getArrays(); foreach ($x as $y) $test->useArray($y); } echo "\nArray time = " . (microtime(true)-$start) . "\n\n";