Online PHP editor | perf for ioiFVo

@ 2024-01-03T14:23:17Z

<?php

$time = microtime(true);
for ($i = 0; $i < 1000000; $i++) {
    preg_match('/^(http|https)?:?\/\//', 'https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url');
}

echo number_format(microtime(true) - $time, 10), "\n";


$time = microtime(true);
for ($i = 0; $i < 1000000; $i++) {
    strpos('https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', 'https://') === 0
    || strpos('https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', 'http://') === 0
    || strpos('https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', '//');   
}

echo number_format(microtime(true) - $time, 10);

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)
8.3.1	0.010	0.105	23.54
8.3.0	0.003	0.101	20.96
8.2.14	0.003	0.086	22.51
8.2.13	0.007	0.070	22.38
8.2.12	0.014	0.101	20.84
8.2.11	0.010	0.076	21.13
8.2.10	0.007	0.108	20.96
8.2.9	0.007	0.069	20.91
8.2.8	0.000	0.080	21.00
8.2.7	0.010	0.066	20.73
8.2.6	0.010	0.105	20.93
8.2.5	0.010	0.086	20.88
8.2.4	0.003	0.090	20.73
8.2.3	0.010	0.065	20.86
8.2.2	0.000	0.075	20.69
8.2.1	0.007	0.072	20.61
8.2.0	0.010	0.114	20.68
8.1.27	0.013	0.089	24.04
8.1.26	0.007	0.068	23.85
8.1.25	0.007	0.095	23.96
8.1.24	0.007	0.100	20.60
8.1.23	0.000	0.076	20.52
8.1.22	0.007	0.071	20.80
8.1.21	0.007	0.098	20.54
8.1.20	0.000	0.078	20.36
8.1.19	0.000	0.076	20.64
8.1.18	0.010	0.096	20.43
8.1.17	0.003	0.095	20.38
8.1.16	0.000	0.076	20.38
8.1.15	0.013	0.101	20.45
8.1.14	0.007	0.070	20.39
8.1.13	0.003	0.072	20.53
8.1.12	0.010	0.106	20.49
8.1.11	0.007	0.095	20.41
8.1.10	0.010	0.114	20.52
8.1.9	0.007	0.070	20.45
8.1.8	0.010	0.115	20.47
8.1.7	0.007	0.095	20.50
8.1.6	0.007	0.069	20.71
8.1.5	0.010	0.067	20.58
8.1.4	0.010	0.066	20.71
8.1.3	0.013	0.109	20.65
8.1.2	0.013	0.085	20.68
8.1.1	0.003	0.074	20.55
8.1.0	0.010	0.095	20.39

preferences:dark modelive previewkey bindings