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run code in 300+ PHP versions simultaneously
<?php $times = 10000; $var = null; $var = new stdClass(); $time1 = microtime(true); for ($i = 0; $i <= $times; $i++) { if (!$var) {} } $time1 = microtime(true) - $time1; //echo "Time using '!': $time1\n"; $time2 = microtime(true); for ($i = 0; $i <= $times; $i++) { if ($var === null) {} } $time2 = microtime(true) - $time2; //echo "Time using '===': $time2\n"; if ($time1 > $time2){ $p = ($time1-$time2)/$time2; echo "'===' was faster by $p%"; } else { $p = ($time2-$time1)/$time1; echo "'!' was faster by $p%"; }
Output for 7.4.1
'===' was faster by 0.14638447971781%
Output for 7.4.0
'===' was faster by 0.33502538071066%
Output for 7.3.13
'===' was faster by 0.25531914893617%
Output for 7.3.12
'===' was faster by 0.24464831804281%
Output for 7.3.11
'===' was faster by 0.43559718969555%
Output for 7.3.10
'===' was faster by 0.30047694753577%
Output for 7.3.9
'===' was faster by 0.4018691588785%
Output for 7.3.8
'===' was faster by 0.3559718969555%
Output for 7.3.7
'===' was faster by 0.41121495327103%
Output for 7.3.6
'===' was faster by 0.53072625698324%
Output for 7.3.5
'===' was faster by 0.32808988764045%
Output for 7.3.4
'===' was faster by 0.39544344995932%
Output for 7.3.3
'===' was faster by 0.30112359550562%
Output for 7.3.2
'===' was faster by 0.35704323570432%
Output for 7.3.1
'===' was faster by 0.375%
Output for 7.3.0
'===' was faster by 0.76531942633638%
Output for 7.2.26
'===' was faster by 0.6182902584493%
Output for 7.2.25
'===' was faster by 0.35559566787004%
Output for 7.2.24
'===' was faster by 0.84375%
Output for 7.2.23
'===' was faster by 0.58024691358025%
Output for 7.2.22
'===' was faster by 1.0966981132075%
Output for 7.2.21
'===' was faster by 0.77122641509434%
Output for 7.2.20
'===' was faster by 0.80573951434879%
Output for 7.2.19
'===' was faster by 0.65509761388286%
Output for 7.2.18
'===' was faster by 0.71470160116448%
Output for 7.2.17
'===' was faster by 0.75105485232068%
Output for 7.2.16
'===' was faster by 0.68207024029575%
Output for 7.2.15
'===' was faster by 0.94656488549618%
Output for 7.2.14
'===' was faster by 0.89320388349515%
Output for 7.2.10, 7.2.13
'===' was faster by 0.8289156626506%
Output for 7.2.12
'===' was faster by 0.71772428884026%
Output for 7.2.11
'===' was faster by 0.84497444633731%
Output for 7.2.9
'===' was faster by 1.1119221411192%
Output for 7.2.8
'===' was faster by 2.2668269230769%
Output for 7.2.7
'===' was faster by 0.85194174757282%
Output for 7.2.6
'===' was faster by 0.64077669902913%
Output for 7.2.5
'===' was faster by 0.66503267973856%
Output for 7.2.4
'===' was faster by 0.66958424507659%
Output for 7.2.3
'===' was faster by 0.53463587921847%
Output for 7.2.2
'===' was faster by 0.92397660818713%
Output for 7.2.1
'===' was faster by 0.98072289156627%
Output for 7.2.0
'===' was faster by 0.34137055837563%
Output for 7.1.33
'===' was faster by 0.30566037735849%
Output for 7.1.32
'===' was faster by 0.40987012987013%
Output for 7.1.31
'===' was faster by 0.39007580978635%
Output for 7.1.30
'===' was faster by 1.0653266331658%
Output for 7.1.29
'===' was faster by 0.30899937067338%
Output for 7.1.28
'===' was faster by 0.44802259887006%
Output for 7.1.27
'===' was faster by 0.47835862844295%
Output for 7.1.26
'===' was faster by 0.41686046511628%
Output for 7.1.25
'===' was faster by 0.39614689945816%
Output for 7.1.24
'===' was faster by 0.38191244239631%
Output for 7.1.23
'===' was faster by 0.38487972508591%
Output for 7.1.22
'===' was faster by 0.45731153496821%
Output for 7.1.21
'===' was faster by 0.41264478764479%
Output for 7.1.20
'===' was faster by 0.39978331527627%
Output for 7.1.19
'===' was faster by 0.49197080291971%
Output for 7.1.18
'===' was faster by 0.31395348837209%
Output for 7.1.17
'===' was faster by 1.2129943502825%
Output for 7.1.16
'===' was faster by 0.2653380226651%
Output for 7.1.15
'===' was faster by 0.2831223628692%
Output for 7.1.14
'===' was faster by 0.36567553468962%
Output for 7.1.13
'===' was faster by 0.50144927536232%
Output for 7.1.12
'===' was faster by 1.5421863536317%
Output for 7.1.11
'===' was faster by 0.48872727272727%
Output for 7.1.10
'===' was faster by 0.49182561307902%
Output for 7.1.9
'===' was faster by 0.36197094125079%
Output for 7.1.8
'===' was faster by 1.2363238512035%
Output for 7.1.7
'===' was faster by 0.35064935064935%
Output for 7.1.6
'===' was faster by 0.35958005249344%
Output for 7.1.5
'===' was faster by 0.33376877857609%
Output for 7.1.4
'===' was faster by 0.30396475770925%
Output for 7.1.3
'===' was faster by 0.46102075154234%
Output for 7.1.2
'===' was faster by 0.49004594180704%
Output for 7.1.1
'===' was faster by 1.332361516035%
Output for 7.1.0
'===' was faster by 0.44153225806452%
Output for 7.0.33
'===' was faster by 0.43513203214696%
Output for 7.0.32
'===' was faster by 0.48856088560886%
Output for 7.0.31
'===' was faster by 0.3639301874596%
Output for 7.0.30
'===' was faster by 0.38406658739596%
Output for 7.0.29
'===' was faster by 0.52674591381872%
Output for 7.0.28
'===' was faster by 0.37792816241541%
Output for 7.0.27
'===' was faster by 0.53861308116627%
Output for 7.0.26
'===' was faster by 0.39931506849315%
Output for 7.0.25
'===' was faster by 0.53367875647668%
Output for 7.0.24
'===' was faster by 0.31385869565217%
Output for 7.0.23
'===' was faster by 0.21296847114813%
Output for 7.0.22
'===' was faster by 0.47361477572559%
Output for 7.0.21
'===' was faster by 0.69037037037037%
Output for 7.0.20
'===' was faster by 0.50295420974889%
Output for 7.0.19
'===' was faster by 0.23726817780394%
Output for 7.0.18
'===' was faster by 0.3214897260274%
Output for 7.0.17
'===' was faster by 0.47626262626263%
Output for 7.0.16
'===' was faster by 0.41917808219178%
Output for 7.0.15
'===' was faster by 0.52296296296296%
Output for 7.0.14
'===' was faster by 0.39595375722543%
Output for 7.0.13
'===' was faster by 0.39782756279701%
Output for 7.0.12
'===' was faster by 0.57533539731682%
Output for 7.0.11
'===' was faster by 0.33614966807483%
Output for 7.0.10
'===' was faster by 0.12813963388676%
Output for 7.0.9
'===' was faster by 0.47446336047372%
Output for 7.0.8
'===' was faster by 0.503861003861%
Output for 7.0.7
'===' was faster by 0.41510741510742%
Output for 7.0.6
'===' was faster by 0.3381483913329%
Output for 7.0.5
'===' was faster by 0.44148148148148%
Output for 7.0.4
'===' was faster by 0.50257542310522%
Output for 7.0.3
'===' was faster by 0.4601927882899%
Output for 7.0.2
'===' was faster by 0.48850881881347%
Output for 7.0.1
'===' was faster by 0.34391534391534%
Output for 7.0.0
'===' was faster by 0.2780531771068%
Output for 5.6.40
'===' was faster by 0.26377036462374%
Output for 5.6.39
'===' was faster by 0.24443889027743%
Output for 5.6.38
'===' was faster by 0.87800556821058%
Output for 5.6.37
'===' was faster by 0.36810244470314%
Output for 5.6.36
'===' was faster by 0.34107788992573%
Output for 5.6.35
'===' was faster by 0.18116446300162%
Output for 5.6.34
'===' was faster by 0.40990745781165%
Output for 5.6.33
'===' was faster by 0.3780947255113%
Output for 5.6.32
'===' was faster by 0.30915399867812%
Output for 5.6.31
'===' was faster by 0.27828659997182%
Output for 5.6.30
'===' was faster by 0.35884567126725%
Output for 5.6.29
'===' was faster by 0.49057843996494%
Output for 5.6.28
'===' was faster by 0.23916220165611%
Output for 5.6.27
'===' was faster by 0.38467113607538%
Output for 5.6.26
'===' was faster by 0.22516556291391%
Output for 5.6.25
'===' was faster by 0.18301355158996%
Output for 5.6.24
'===' was faster by 0.25356229448301%
Output for 5.6.23
'===' was faster by 1.0122875816993%
Output for 5.6.22
'===' was faster by 0.3966522952067%
Output for 5.6.21
'===' was faster by 0.16491162091012%
Output for 5.6.20
'===' was faster by 0.31590309426721%
Output for 5.6.19
'===' was faster by 0.24522292993631%
Output for 5.6.18
'===' was faster by 0.024420529801325%
Output for 5.6.17
'===' was faster by 0.31791907514451%
Output for 5.6.16
'===' was faster by 0.4933575723675%
Output for 5.6.15
'===' was faster by 0.37537293192297%
Output for 5.6.14
'===' was faster by 0.2975713275171%
Output for 5.6.13
'===' was faster by 0.28136882129278%
Output for 5.6.12
'===' was faster by 0.41317179248214%
Output for 5.6.11
'===' was faster by 0.30541368743616%
Output for 5.6.10
'===' was faster by 0.11318795430945%
Output for 5.6.9
'===' was faster by 1.1368478557771%
Output for 5.6.8
'===' was faster by 0.49888475836431%
Output for 5.6.7
'===' was faster by 0.38922800718133%
Output for 5.6.6
'===' was faster by 0.30288345044827%
Output for 5.6.5
'===' was faster by 0.30220713073005%
Output for 5.6.4
'===' was faster by 0.6495646034361%
Output for 5.6.3
'===' was faster by 0.23086329175838%
Output for 5.6.2
'===' was faster by 0.25844782770145%
Output for 5.6.1
'===' was faster by 0.31004589495156%
Output for 5.6.0
'===' was faster by 0.38227297444263%
Output for 5.5.38
'===' was faster by 0.35284486287352%
Output for 5.5.37
'===' was faster by 0.45695037791653%
Output for 5.5.36
'===' was faster by 0.36329305135952%
Output for 5.5.35
'===' was faster by 0.40251572327044%
Output for 5.5.34
'===' was faster by 0.28836975634263%
Output for 5.5.33
'===' was faster by 0.26720747295969%
Output for 5.5.32
'===' was faster by 0.30292275574113%
Output for 5.5.31
'===' was faster by 0.83945178658835%
Output for 5.5.30
'===' was faster by 0.25812274368231%
Output for 5.5.29
'===' was faster by 0.23977600543017%
Output for 5.5.28
'===' was faster by 0.26686085592651%
Output for 5.5.27
'===' was faster by 0.26779124934106%
Output for 5.5.26
'===' was faster by 0.66628122109158%
Output for 5.5.25
'===' was faster by 0.34256559766764%
Output for 5.5.24
'===' was faster by 0.76083286437817%
Output for 5.5.23
'===' was faster by 0.38213582677165%
Output for 5.5.22
'===' was faster by 1.0290774517579%
Output for 5.5.21
'===' was faster by 0.37049963262307%
Output for 5.5.20
'===' was faster by 0.32824025289779%
Output for 5.5.19
'===' was faster by 0.37699594046008%
Output for 5.5.18
'===' was faster by 0.32238401625466%
Output for 5.5.17
'===' was faster by 0.67517146776406%
Output for 5.5.16
'===' was faster by 0.93339500462535%
Output for 5.5.15
'===' was faster by 0.37164852667905%
Output for 5.5.14
'===' was faster by 0.32543510169847%
Output for 5.5.13
'===' was faster by 0.3568068983538%
Output for 5.5.12
'===' was faster by 0.24723090031241%
Output for 5.5.11
'===' was faster by 0.20833333333333%
Output for 5.5.10
'===' was faster by 0.30948905109489%
Output for 5.5.9
'===' was faster by 0.21869742850276%
Output for 5.5.8
'===' was faster by 0.21946472019465%
Output for 5.5.7
'===' was faster by 0.097142857142857%
Output for 5.5.6
'===' was faster by 0.34527687296417%
Output for 5.5.5
'===' was faster by 0.27537896187414%
Output for 5.5.4
'===' was faster by 0.84333821376281%
Output for 5.5.3
'===' was faster by 0.37714592274678%
Output for 5.5.2
'===' was faster by 0.39296346414073%
Output for 5.5.1
'===' was faster by 0.63838069287661%
Output for 5.5.0
'===' was faster by 0.33676907829534%
Output for 5.4.45
'===' was faster by 0.31108374384236%
Output for 5.4.44
'===' was faster by 0.37520969245107%
Output for 5.4.43
'===' was faster by 0.40332705586943%
Output for 5.4.42
'===' was faster by 0.38109191856878%
Output for 5.4.41
'===' was faster by 0.58887417218543%
Output for 5.4.40
'===' was faster by 0.38293987217947%
Output for 5.4.39
'===' was faster by 0.41071916871753%
Output for 5.4.38
'===' was faster by 0.29996394664103%
Output for 5.4.37
'===' was faster by 0.35108024691358%
Output for 5.4.36
'===' was faster by 0.31991917831285%
Output for 5.4.35
'===' was faster by 0.4512987012987%
Output for 5.4.34
'===' was faster by 0.42936544696619%
Output for 5.4.33
'===' was faster by 0.18323917137476%
Output for 5.4.32
'===' was faster by 0.64482919981282%
Output for 5.4.31
'===' was faster by 1.8990196078431%
Output for 5.4.30
'===' was faster by 0.46109337589785%
Output for 5.4.29
'===' was faster by 0.28513591671486%
Output for 5.4.28
'===' was faster by 0.28799856270212%
Output for 5.4.27
'===' was faster by 0.2783938172043%
Output for 5.4.26
'===' was faster by 0.25721784776903%
Output for 5.4.25
'===' was faster by 1.3085045114225%
Output for 5.4.24
'===' was faster by 1.5884093282283%
Output for 5.4.23
'===' was faster by 0.37520391517129%
Output for 5.4.22
'===' was faster by 2.2356478950246%
Output for 5.4.21
'===' was faster by 0.38350559862188%
Output for 5.4.20
'===' was faster by 2.3697433096668%
Output for 5.4.19
'===' was faster by 0.78632064031045%
Output for 5.4.18
'===' was faster by 0.43890043890044%
Output for 5.4.17
'===' was faster by 0.33074285714286%
Output for 5.4.16
'===' was faster by 0.20179682100898%
Output for 5.4.15
'===' was faster by 0.89891940567312%
Output for 5.4.14
'===' was faster by 0.30849220103986%
Output for 5.4.13
'===' was faster by 0.30756693830035%
Output for 5.4.12
'===' was faster by 0.29922559350006%
Output for 5.4.11
'===' was faster by 1.1879641485275%
Output for 5.4.10
'===' was faster by 0.32699386503067%
Output for 5.4.9
'===' was faster by 0.29297161411962%
Output for 5.4.8
'===' was faster by 0.28590218820997%
Output for 5.4.7
'===' was faster by 1.6674737691687%
Output for 5.4.6
'===' was faster by 0.34688284996575%
Output for 5.4.5
'===' was faster by 0.39941609898512%
Output for 5.4.4
'===' was faster by 2.4287413752082%
Output for 5.4.3
'===' was faster by 1.1347005360056%
Output for 5.4.2
'===' was faster by 2.0339029020884%
Output for 5.4.1
'===' was faster by 0.37338709677419%
Output for 5.4.0
'===' was faster by 0.37818580432995%
Output for 5.3.29
'===' was faster by 0.099619431385717%
Output for 5.3.28
'===' was faster by 0.34722880151587%
Output for 5.3.27
'===' was faster by 0.42740046838407%
Output for 5.3.26
'===' was faster by 0.16055706739235%
Output for 5.3.25
'===' was faster by 0.20333680917623%
Output for 5.3.24
'===' was faster by 0.50322377732348%
Output for 5.3.23
'===' was faster by 0.18101669480398%
Output for 5.3.22
'===' was faster by 0.2417124039517%
Output for 5.3.21
'===' was faster by 0.28324099722992%
Output for 5.3.20
'===' was faster by 0.42608%
Output for 5.3.19
'===' was faster by 0.35697299133684%
Output for 5.3.18
'===' was faster by 0.34%
Output for 5.3.17
'===' was faster by 0.40746432491767%
Output for 5.3.16
'===' was faster by 0.21518573064965%
Output for 5.3.15
'===' was faster by 0.11730785781909%
Output for 5.3.14
'===' was faster by 0.30833097462025%
Output for 5.3.13
'===' was faster by 1.7216822059115%
Output for 5.3.12
'===' was faster by 0.25718666155615%
Output for 5.3.11
'===' was faster by 0.14964317573595%
Output for 5.3.10
'===' was faster by 0.2090857096168%
Output for 5.3.9
'===' was faster by 0.23171045852653%
Output for 5.3.8
'===' was faster by 19.364250926801%
Output for 5.3.7
'===' was faster by 1.4107040092077%
Output for 5.3.6
'===' was faster by 0.065442764578834%
Output for 5.3.5
'===' was faster by 0.26695422957105%
Output for 5.3.4
'===' was faster by 0.32478240952817%
Output for 5.3.3
'===' was faster by 0.19092370471126%
Output for 5.3.2
'===' was faster by 0.52169243986254%
Output for 5.3.1
'===' was faster by 0.20798501008936%
Output for 5.3.0
'===' was faster by 0.675%
Output for 5.2.17
'===' was faster by 0.38315789473684%
Output for 5.2.16
'===' was faster by 0.31171494488593%
Output for 5.2.15
'===' was faster by 0.34814398200225%
Output for 5.2.14
'===' was faster by 0.34830132939439%
Output for 5.2.13
'===' was faster by 0.56868537666174%
Output for 5.2.12
'===' was faster by 0.408%
Output for 5.2.11
'===' was faster by 0.36752988047809%
Output for 5.2.10
'===' was faster by 0.40789473684211%
Output for 5.2.9
'===' was faster by 0.47679814385151%
Output for 5.2.8
'===' was faster by 0.38624338624339%
Output for 5.2.7
'===' was faster by 0.43107876712329%
Output for 5.2.6
'===' was faster by 0.34171696847753%
Output for 5.2.5
'===' was faster by 0.3363802559415%
Output for 5.2.4
'===' was faster by 0.16128048780488%
Output for 5.2.3
'===' was faster by 0.38373071528752%
Output for 5.2.2
'===' was faster by 0.41556027615507%
Output for 5.2.1
'===' was faster by 0.32068679036278%
Output for 5.2.0
'===' was faster by 0.35173878417839%
Output for 5.1.6
'===' was faster by 0.35237572095578%
Output for 5.1.5
'===' was faster by 0.2183081715792%
Output for 5.1.4
'===' was faster by 0.27417949462678%
Output for 5.1.3
'===' was faster by 0.31602822580645%
Output for 5.1.2
'===' was faster by 0.0081743869209809%
Output for 5.1.1
'!' was faster by 0.028778349533067%
Output for 5.1.0
'===' was faster by 0.054554193703437%
Output for 5.0.5
'!' was faster by 0.057576487593351%
Output for 5.0.4
'!' was faster by 0.050668968493742%
Output for 5.0.3
'!' was faster by 0.034307824591574%
Output for 5.0.2
'===' was faster by 0.18098039215686%
Output for 5.0.1
'!' was faster by 0.0007069913589945%
Output for 5.0.0
'!' was faster by 0.13610402235995%
Output for 4.4.9
'!' was faster by 0.077746925823086%
Output for 4.4.8
'!' was faster by 0.077057793345009%
Output for 4.4.7
'!' was faster by 0.085055643879173%
Output for 4.4.6
'!' was faster by 0.086452762923351%
Output for 4.4.5
'!' was faster by 0.089574708317651%
Output for 4.4.4
'===' was faster by 0.049484536082474%
Output for 4.4.3
'!' was faster by 0.074351978171897%
Output for 4.4.2
'!' was faster by 0.082229018008834%
Output for 4.4.1
'!' was faster by 0.017945109078114%
Output for 4.4.0
'!' was faster by 0.083174360930943%
Output for 4.3.11
'!' was faster by 0.083364626361247%
Output for 4.3.10
'!' was faster by 0.055150884495317%
Output for 4.3.9
'!' was faster by 0.080394387561623%
Output for 4.3.8
'!' was faster by 0.093693036820999%
Output for 4.3.7
'!' was faster by 0.0043391188251003%
Output for 4.3.6
'!' was faster by 0.10234375%
Output for 4.3.5
'===' was faster by 0.010448916408669%
Output for 4.3.4
'!' was faster by 0.14983579638752%
Output for 4.3.3
'!' was faster by 0.0436413228776%
Output for 4.3.2
'===' was faster by 0.00035273368606707%
Output for 4.3.1
'!' was faster by 0.04804469273743%
Output for 4.3.0
'!' was faster by 0.079906385824139%
preferences:
195.79 ms | 401 KiB | 325 Q