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<?php $time = microtime(true); for ($i = 0; $i < 1000000; $i++) { parse_url('https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', PHP_URL_SCHEME); } 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', '://'); 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);
Output for 8.3.1
0.1667211056 0.0298888683
Output for 8.3.0
0.1404321194 0.0288789272
Output for 8.2.14
0.1443669796 0.0277149677
Output for 8.2.13
0.1679201126 0.0282881260
Output for 8.2.12
0.1771678925 0.0280609131
Output for 8.2.11
0.1382329464 0.0291430950
Output for 8.2.10
0.1560480595 0.0273098946
Output for 8.2.9
0.1381309032 0.0305209160
Output for 8.2.8
0.1662440300 0.0288438797
Output for 8.2.7
0.1610260010 0.0289070606
Output for 8.2.6
0.1736259460 0.0292539597
Output for 8.2.5
0.1742448807 0.0298759937
Output for 8.2.4
0.1739749908 0.0280461311
Output for 8.2.3
0.1702909470 0.0283510685
Output for 8.2.2
0.1581420898 0.0269081593
Output for 8.2.1
0.1449229717 0.0435011387
Output for 8.2.0
0.1358158588 0.0286750793
Output for 8.1.27
0.1400539875 0.0284228325
Output for 8.1.26
0.1470270157 0.0291380882
Output for 8.1.25
0.1426138878 0.0288112164
Output for 8.1.24
0.1442070007 0.0291719437
Output for 8.1.23
0.1863560677 0.0294570923
Output for 8.1.22
0.1666648388 0.0286970139
Output for 8.1.21
0.1775159836 0.0280799866
Output for 8.1.20
0.1446368694 0.0280749798
Output for 8.1.19
0.1746699810 0.0291850567
Output for 8.1.18
0.1416499615 0.0286180973
Output for 8.1.17
0.1810488701 0.0299680233
Output for 8.1.16
0.1388747692 0.0278971195
Output for 8.1.15
0.1479949951 0.0288980007
Output for 8.1.14
0.1895699501 0.0280320644
Output for 8.1.13
0.2040901184 0.0294721127
Output for 8.1.12
0.1586601734 0.0299899578
Output for 8.1.11
0.1694900990 0.0320849419
Output for 8.1.10
0.1787419319 0.0303530693
Output for 8.1.9
0.1796400547 0.0296959877
Output for 8.1.8
0.1804521084 0.0297138691
Output for 8.1.7
0.1684620380 0.0313880444
Output for 8.1.6
0.1452219486 0.0376160145
Output for 8.1.5
0.1429688931 0.0294790268
Output for 8.1.4
0.1651008129 0.0280420780
Output for 8.1.3
0.1656410694 0.0302190781
Output for 8.1.2
0.1544818878 0.0281300545
Output for 8.1.1
0.1637041569 0.0276038647
Output for 8.1.0
0.1808800697 0.0272819996
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54.91 ms | 465 KiB | 5 Q