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run code in 300+ PHP versions simultaneously
<?php $arr = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']; $arrK = array_combine($arr, array_fill(0, count($arr), true)); $iters = 1_000_000; $t = microtime(true); for ($i = 0; $i < $iters; $i++) { $v = ($i % 2) ? 'a' : 'c'; $res = in_array($v, $arr); $res = in_array($v, $arr); $res = in_array($v, $arr); $res = in_array($v, $arr); } var_dump(microtime(true) - $t); $t = microtime(true); for ($i = 0; $i < $iters; $i++) { $v = ($i % 2) ? 'a' : 'c'; $res = array_key_exists($v, $arrK); $res = array_key_exists($v, $arrK); $res = array_key_exists($v, $arrK); $res = array_key_exists($v, $arrK); } var_dump(microtime(true) - $t); $t = microtime(true); for ($i = 0; $i < $iters; $i++) { $v = ($i % 2) ? 'a' : 'c'; $res = array_key_exists($v, array_keys($arr)); $res = array_key_exists($v, array_keys($arr)); $res = array_key_exists($v, array_keys($arr)); $res = array_key_exists($v, array_keys($arr)); } var_dump(microtime(true) - $t); print_r(opcache_get_status());
Output for 8.2.3
float(0.1435079574584961) float(0.08168387413024902) float(0.3645799160003662)
Output for 8.2.2
float(0.10848784446716309) float(0.0708930492401123) float(0.2976219654083252)
Output for 8.2.1
float(0.10955595970153809) float(0.06929802894592285) float(0.31900501251220703)
Output for 8.2.0
float(0.10845613479614258) float(0.07811307907104492) float(0.3021230697631836)
Output for 8.1.16
float(0.11646389961242676) float(0.07128691673278809) float(0.3580188751220703)
Output for 8.1.15
float(0.1118171215057373) float(0.07264494895935059) float(0.37340497970581055)
Output for 8.1.14
float(0.11013293266296387) float(0.07337307929992676) float(0.36333298683166504)
Output for 8.1.13
float(0.11236810684204102) float(0.07485604286193848) float(0.3680450916290283)
Output for 8.1.12
float(0.11154484748840332) float(0.07024002075195312) float(0.3687431812286377)
Output for 8.1.11
float(0.10808396339416504) float(0.07043099403381348) float(0.3608570098876953)
Output for 8.1.10
float(0.10837888717651367) float(0.07247400283813477) float(0.3785998821258545)
Output for 8.1.9
float(0.1150979995727539) float(0.06873917579650879) float(0.35657191276550293)
Output for 8.1.8
float(0.11147093772888184) float(0.0761110782623291) float(0.3612070083618164)
Output for 8.1.7
float(0.11252808570861816) float(0.07256317138671875) float(0.3625519275665283)
Output for 8.1.6
float(0.10568690299987793) float(0.06989789009094238) float(0.3585999011993408)
Output for 8.1.5
float(0.11453819274902344) float(0.0690000057220459) float(0.3596611022949219)
Output for 8.1.4
float(0.12089800834655762) float(0.07027387619018555) float(0.3842201232910156)
Output for 8.1.3
float(0.1151270866394043) float(0.06927990913391113) float(0.3683481216430664)
Output for 8.1.2
float(0.11643695831298828) float(0.07021117210388184) float(0.3766319751739502)
Output for 8.1.1
float(0.11731100082397461) float(0.07112789154052734) float(0.3672029972076416)
Output for 8.1.0
float(0.12297606468200684) float(0.07109189033508301) float(0.3603200912475586)
Output for 8.0.28
float(0.11814594268798828) float(0.07700204849243164) float(0.375622034072876)
Output for 8.0.27
float(0.11967682838439941) float(0.07438802719116211) float(0.37900209426879883)
Output for 8.0.26
float(0.1130218505859375) float(0.07104611396789551) float(0.36841416358947754)
Output for 8.0.25
float(0.11539793014526367) float(0.07377910614013672) float(0.3906240463256836)
Output for 8.0.24
float(0.12072587013244629) float(0.07430410385131836) float(0.38718390464782715)
Output for 8.0.23
float(0.11722517013549805) float(0.07789492607116699) float(0.3971381187438965)
Output for 8.0.22
float(0.11448097229003906) float(0.0739278793334961) float(0.36427807807922363)
Output for 8.0.21
float(0.12091994285583496) float(0.0727689266204834) float(0.40010786056518555)
Output for 8.0.20
float(0.11292386054992676) float(0.07439804077148438) float(0.39651989936828613)
Output for 8.0.19
float(0.11583185195922852) float(0.07173705101013184) float(0.36528897285461426)
Output for 8.0.18
float(0.11697101593017578) float(0.07428717613220215) float(0.39249181747436523)
Output for 8.0.17
float(0.11335492134094238) float(0.07474994659423828) float(0.39247703552246094)
Output for 8.0.16
float(0.11179399490356445) float(0.07554483413696289) float(0.3778359889984131)
Output for 8.0.15
float(0.12908697128295898) float(0.08034205436706543) float(0.4332709312438965)
Output for 8.0.14
float(0.12340497970581055) float(0.08516097068786621) float(0.43662405014038086)
Output for 8.0.13
float(0.12314295768737793) float(0.08275389671325684) float(0.41895294189453125)
Output for 8.0.12
float(0.1129159927368164) float(0.07459902763366699) float(0.36409997940063477)
Output for 8.0.11
float(0.11840581893920898) float(0.07309293746948242) float(0.3702738285064697)
Output for 8.0.10
float(0.11856389045715332) float(0.07621192932128906) float(0.39148688316345215)
Output for 8.0.9
float(0.11338591575622559) float(0.07424306869506836) float(0.3894219398498535)
Output for 8.0.8
float(0.11948299407958984) float(0.08264994621276855) float(0.3853738307952881)
Output for 8.0.7
float(0.1125340461730957) float(0.07999992370605469) float(0.3695368766784668)
Output for 8.0.6
float(0.11571693420410156) float(0.07714319229125977) float(0.3679220676422119)
Output for 8.0.5
float(0.11516523361206055) float(0.0741279125213623) float(0.36568403244018555)
Output for 8.0.3
float(0.11128807067871094) float(0.07834196090698242) float(0.3756749629974365)
Output for 8.0.2
float(0.1119229793548584) float(0.07583189010620117) float(0.36557722091674805)
Output for 8.0.1
float(0.13661813735961914) float(0.07272791862487793) float(0.3624229431152344)
preferences:
49.84 ms | 472 KiB | 5 Q