<?php
/*
>for/while/foreach
Completed in 0.64339590072632 ref
Completed in 0.26658296585083 value
Completed in 2.8555328845978 old style
>cast tests
Completed in 0.28827118873596 (int)
Completed in 0.91018199920654 intval
Completed in 0.3253800868988 (float)
Completed in 1.1280400753021 floatval
>is_null/equal
Completed in 0.92273497581482 is_null
Completed in 0.25353717803955 null===
Completed in 0.38128304481506 null ==
>push/[]
Completed in 2.408175945282 array_push
Completed in 1.3493680953979 [] push
>array counts
Completed in 0.46475315093994 array_count_values  5001
Completed in 23.198535919189 count 5001
>substr/strpos
Completed in 0.00068116188049316 substr
Completed in 0.0006718635559082 strpos
>key find
Completed in 0.75074005126953 in_array
Completed in 0.00090980529785156 array_key_exists
>arraykeys/foreach
Completed in 74.024517059326 array_keys foreach
Completed in 49.901501893997 foreach
>search array/in_array
Completed in 0.46062302589417 array_search foreach
Completed in 0.38444709777832 in_array
*/
echo ">for/while/foreach  \n";
$max = 10000000;
$data = array();
for($i = 0; $i <= $max; $i++){    $data[] = 'a';}

$start = microtime(true);
foreach ($data as $key => &$value) {
	$key--;
}
echo "Completed in ", microtime(true) - $start, " ref \n";


$start = microtime(true);
foreach ($data as $key => $value) { //best
	$key--;
}
echo "Completed in ", microtime(true) - $start, " value \n";


$start = microtime(true);
while (list($k,$v) = each($data)) {
	$key--;
}

echo "Completed in ", microtime(true) - $start, " old style \n";
reset($data);

echo ">cast tests \n";
$start = microtime(true);
foreach ($data as $key => $value) {
	(int)$key;
}
echo "Completed in ", microtime(true) - $start, " (int) \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	intval($key);
}
echo "Completed in ", microtime(true) - $start, " intval \n";

$start = microtime(true);
foreach ($data as $key => $value) {
	(float)$key;
}
echo "Completed in ", microtime(true) - $start, " (float)  \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	floatval($key);
}
echo "Completed in ", microtime(true) - $start, " floatval \n";

echo ">is_null/equal\n";
$start = microtime(true);
foreach ($data as $key => $value) {
	if (is_null($key)){};
}

echo "Completed in ", microtime(true) - $start, " is_null  \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	if (null === $key){};
}

echo "Completed in ", microtime(true) - $start, " null===  \n";



$start = microtime(true);
foreach ($data as $key => $value) {
	if (null == $key){};
}

echo "Completed in ", microtime(true) - $start, " null ==  \n";

echo ">push/[] \n";
$start = microtime(true);
$b = array();
$push = 1;
foreach ($data as $key => $value) {
	array_push($b, $push);
}

echo "Completed in ", microtime(true) - $start, " array_push  \n";

$b = array();
$push = 1;
$start = microtime(true);
foreach ($data as $key => $value) {
	$b[] =  $push;
}

echo "Completed in ", microtime(true) - $start, " [] push \n";



$max = 5000; $data = array(); for($i = 0; $i <= $max; $i++){    $data[] = 'a';}


echo ">array counts \n";
$start = microtime(true);
foreach ($data as $key => $value) {
	 $e=count(array_count_values(array_keys($data)));
}

echo "Completed in ", microtime(true) - $start, " array_count_values  ".$e."  \n";

$start = microtime(true);
foreach ($data as $key => $value) {
	 $c=count(array_unique(array_keys($data)));
}

echo "Completed in ", microtime(true) - $start, " count ".$c." \n";

echo ">substr/strpos \n";
$start = microtime(true);
foreach ($data as $key => $value) {
	if (substr('http://begun.ru', 0, 4) != 'http'){}
}
echo "Completed in ", microtime(true) - $start, " substr \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	if (strpos('http://begun.ru', 'http') === false){}
}

echo "Completed in ", microtime(true) - $start, " strpos \n";

echo ">key find \n";
$max = 10000; $data = array(); for($i = 0; $i <= $max; $i++){    $data[] = 'a';}
$start = microtime(true);
foreach ($data as $key => $value) {
	in_array(5000, array_keys($data));
}
echo "Completed in ", microtime(true) - $start, " in_array \n";

$start = microtime(true);
foreach ($data as $key => $value) {
	array_key_exists(5000, $data);
}
echo "Completed in ", microtime(true) - $start, " array_key_exists \n";

echo ">arraykeys/foreach \n";
$max = 50000; $data = array(); for($i = 0; $i <= $max; $i++){    $data[] = 'a';}
$start = microtime(true);
foreach ($data as $key => $value) {
	foreach  (array_keys($data) as $state){}
}
echo "Completed in ", microtime(true) - $start, " array_keys foreach \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	foreach ($data as $state=>$value){}
}
echo "Completed in ", microtime(true) - $start, " foreach \n";

echo ">search array/in_array \n";
$max = 10000; $data = array(); for($i = 0; $i <= $max; $i++){    $data[] = 'a';}
$start = microtime(true);
foreach ($data as $key => $value) {
	if (array_search('b', $data) !== false){}
}
echo "Completed in ", microtime(true) - $start, " array_search foreach \n";


$start = microtime(true);
foreach ($data as $key => $value) {
	if (in_array('b', $data)){}
}
echo "Completed in ", microtime(true) - $start, " in_array \n";