PHP `for`s

gistfile1.php

<?php
	$elements = array();
 
	////
	// An array of 10,000 elements with random string values
	////
	for($i = 0; $i < 10000; $i++) {
		$elements[] = (string)rand(10000000, 99999999);
	}
 
	$time_start = microtime(true);
 
	$el = null;

	////
	// for test
	////
        $numb = count($elements);
	for($i = 0; $i < $numb; $i++) {
		$el = $elements[$i];
	}
 
	$time_end = microtime(true);
	$for_time = $time_end - $time_start;
 
        $time_start = microtime(true);
 
	////
	// for with count() inside loop test
	////
	for($i = 0; $i < count($elements); $i++) {
		$el = $elements[$i];
	}
 
	$time_end = microtime(true);
	$for_count_time = $time_end - $time_start;
 
	$time_start = microtime(true);
 
	////
	// foreach test
	////
	foreach($elements as $element) {
		$el = $element;
	}
 
	$time_end = microtime(true);
	$foreach_time = $time_end - $time_start;
 
	echo "For took: " . number_format($for_time * 1000, 3) . "ms\n";
        echo "For with count() took: " . number_format($for_count_time * 1000, 3) . "ms\n";
	echo "Foreach took: " . number_format($foreach_time * 1000, 3) . "ms\n";
?>