Online PHP editor | perf for a3Jn4

@ 2017-11-25T06:31:58Z

<?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;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
7.3.1	0.007	0.232	16.38
7.3.0	0.010	0.229	16.50
7.2.13	0.013	0.222	16.91
7.2.12	0.012	0.223	16.66
7.2.11	0.010	0.224	16.78
7.2.10	0.021	0.226	16.73
7.2.9	0.012	0.226	16.88
7.2.8	0.008	0.230	16.78
7.2.7	0.010	0.234	16.68
7.2.6	0.006	0.236	16.73
7.2.5	0.008	0.233	16.79
7.2.4	0.012	0.242	16.80
7.2.3	0.012	0.243	16.69
7.2.2	0.015	0.234	16.68
7.2.1	0.012	0.241	16.83
7.2.0	0.007	0.241	16.86
7.1.25	0.005	0.228	15.69
7.1.24	0.020	0.232	15.66
7.1.23	0.017	0.243	15.61
7.1.22	0.020	0.229	15.94
7.1.21	0.016	0.231	15.94
7.1.20	0.013	0.237	15.89
7.1.19	0.010	0.244	15.70
7.1.18	0.020	0.227	15.74
7.1.17	0.020	0.236	15.77
7.1.16	0.019	0.227	15.63
7.1.15	0.017	0.235	15.32
7.1.14	0.020	0.225	15.52
7.1.13	0.017	0.233	15.46
7.1.12	0.039	0.232	16.63
7.1.11	0.046	0.211	16.45
7.1.10	0.074	0.233	16.04
7.1.9	0.075	0.231	16.44
7.1.8	0.037	0.221	16.26
7.1.7	0.049	0.217	15.81
7.1.6	0.037	0.221	24.87
7.1.5	0.038	0.231	24.73
7.1.4	0.044	0.233	24.36
7.1.3	0.038	0.230	24.56
7.1.2	0.045	0.223	24.42
7.1.1	0.043	0.228	15.65
7.1.0	0.038	0.218	15.76
7.0.33	0.010	0.243	15.37
7.0.32	0.020	0.241	14.94
7.0.31	0.017	0.241	15.40
7.0.30	0.020	0.232	15.29
7.0.29	0.007	0.237	14.92
7.0.28	0.013	0.229	14.91
7.0.27	0.010	0.238	15.50
7.0.26	0.010	0.243	15.37
7.0.25	0.038	0.226	15.81
7.0.24	0.051	0.274	15.82
7.0.23	0.039	0.267	16.06
7.0.22	0.072	0.252	15.72
7.0.21	0.033	0.258	15.43
7.0.20	0.062	0.222	15.59
7.0.19	0.069	0.239	15.52
7.0.18	0.030	0.247	15.33
7.0.17	0.042	0.236	15.36
7.0.16	0.054	0.222	15.18
7.0.15	0.043	0.220	15.27
7.0.14	0.045	0.238	15.33
7.0.13	0.050	0.212	15.27
7.0.12	0.035	0.228	15.56
7.0.11	0.035	0.223	15.23
7.0.10	0.052	0.222	15.37
7.0.9	0.078	0.227	15.39
7.0.8	0.042	0.217	15.33
7.0.7	0.050	0.225	15.14
7.0.6	0.013	0.221	15.31
7.0.5	0.062	0.276	15.26
7.0.4	0.058	0.270	14.29
7.0.3	0.021	0.241	14.37
7.0.2	0.039	0.235	14.39
7.0.1	0.010	0.223	14.42
7.0.0	0.040	0.221	14.30
5.6.38	0.010	0.553	17.30

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