Online PHP editor | output for o3pZp

@ 2014-02-10T08:16:50Z

<?php

function bytesToSize($bytes, $precision = 2) {
    $symbols = array('B', 'Kb', 'Mb', 'Gb', 'Tb', 'Pb', 'Eb', 'Zb', 'Yb');
    $exp = (int)floor(log($bytes) / log(1024));
    return sprintf('%.'. $precision .'f '. $symbols[$exp], $bytes / pow(1024, floor($exp)));
}

function mem() {
	return bytesToSize(memory_get_usage(true));
}

function test($msg, $test) {
	$t = microtime(true);
	$test($msg);
	echo $msg .': <b>'. sprintf('%.6f', microtime(true) - $t) .'</b><br>';
}

$array = range(0, 30000);

	foreach ($array as $v) {
		$b = $v;
	}
	foreach ($array as &$v) {
		$b = $v;
	}
	unset($v);
	$so = count($array);
	for ($i = 0; $i < $so; ++$i) {
		$b = $array[$i];
	}
	while (list($k, $v) = each($array)) {
		$b =$v;
	}

Output for 7.2.0 - 7.2.13, 7.3.0 - 7.3.1: Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/o3pZp on line 32
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/o3pZp on line 24
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/o3pZp on line 24
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/o3pZp on line 24
Process exited with code 255.

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