Online PHP editor | rfc for KBqQG

@ 2018-02-27T01:02:54Z

<?php

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
$l = count($values);
$i = 0;
while ($i < $l) {
    $c++;
    $i++;
}
$end = microtime(true);
printf('while $i++ %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
$l = count($values);
for ($i = 0; $i < $l; $i++) {
    $c++;
}
$end = microtime(true);
printf('for $i++ %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
foreach ($values as $val) {
    $c++;
}
$end = microtime(true);
printf('foreach %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;


$values = range(1, 10000);
$c = 0;
$start = microtime(true);
$value = reset($values);
while ($value) {
    $c++;
    $value = next($values);
}
$end = microtime(true);
printf('while reset, next %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
while ($val = current($values)) {
    $c++;
    next($values);
}
$end = microtime(true);
printf('while current, next %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
$value = current($values);
do{
    $c++;
}while($value = next($values));
$end = microtime(true);
printf('do while next %d iterations in %f sec', $c, ($end - $start));
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
while ($values) {
    $c++;
    array_shift($values);
}
$end = microtime(true);
printf('while array_shift %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

$values = range(1, 10000);
$c = 0;
$start = microtime(true);
$values = array_reverse($values);
while ($values) {
    $c++;
    array_pop($values);
}
$end = microtime(true);
printf('while array_pop %d iterations in: %f sec', $c, ($end - $start)); 
echo PHP_EOL;

Output for git.master: while $i++ 10000 iterations in: 0.000041 sec for $i++ 10000 iterations in: 0.000040 sec foreach 10000 iterations in: 0.000054 sec while reset, next 10000 iterations in: 0.000328 sec while current, next 10000 iterations in: 0.000429 sec do while next 10000 iterations in 0.000328 sec while array_shift 10000 iterations in: 0.083187 sec while array_pop 10000 iterations in: 0.000335 sec
Output for git.master_jit: while $i++ 10000 iterations in: 0.000040 sec for $i++ 10000 iterations in: 0.000044 sec foreach 10000 iterations in: 0.000061 sec while reset, next 10000 iterations in: 0.000320 sec while current, next 10000 iterations in: 0.000472 sec do while next 10000 iterations in 0.000344 sec while array_shift 10000 iterations in: 0.083250 sec while array_pop 10000 iterations in: 0.000369 sec

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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