3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $times = 10000; $var = null; $var = new stdClass(); $time1 = microtime(true); for ($i = 0; $i <= $times; $i++) { if (!$var instanceof stdClass) {} } $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) * 100; printf("'!== null' was faster by %.2f percent.", $p); //printf("'=== null' was faster"); } else { $p = (($time2-$time1)/$time1) * 100; printf("'instanceof' was faster by %.2f percent.", $p); //printf("'!instanceof' was faster"); }
Output for 7.1.0
Time using '!': 0.00059199333190918 Time using '===': 0.00026798248291016 '!== null' was faster by 120.91 percent.
Output for 7.0.14
Time using '!': 0.00028491020202637 Time using '===': 0.00015687942504883 '!== null' was faster by 81.61 percent.
Output for 7.0.10
Time using '!': 0.00027585029602051 Time using '===': 0.00014400482177734 '!== null' was faster by 91.56 percent.
Output for 7.0.9
Time using '!': 0.00018095970153809 Time using '===': 0.00012588500976562 '!== null' was faster by 43.75 percent.
Output for 7.0.8
Time using '!': 0.00029492378234863 Time using '===': 0.0001368522644043 '!== null' was faster by 115.51 percent.
Output for 7.0.7
Time using '!': 0.00026297569274902 Time using '===': 0.00013613700866699 '!== null' was faster by 93.17 percent.
Output for 7.0.6
Time using '!': 0.000244140625 Time using '===': 0.0001368522644043 '!== null' was faster by 78.40 percent.
Output for 7.0.5
Time using '!': 0.0003049373626709 Time using '===': 0.00015807151794434 '!== null' was faster by 92.91 percent.
Output for 7.0.4
Time using '!': 0.00028300285339355 Time using '===': 0.0001518726348877 '!== null' was faster by 86.34 percent.
Output for 7.0.3
Time using '!': 0.0002601146697998 Time using '===': 0.00014901161193848 '!== null' was faster by 74.56 percent.
Output for 7.0.2
Time using '!': 0.0003209114074707 Time using '===': 0.00016498565673828 '!== null' was faster by 94.51 percent.
Output for 7.0.1
Time using '!': 0.00028395652770996 Time using '===': 0.00016689300537109 '!== null' was faster by 70.14 percent.
Output for 7.0.0
Time using '!': 0.00064396858215332 Time using '===': 0.00040793418884277 '!== null' was faster by 57.86 percent.
Output for hhvm-3.12.0
Time using '!': 0.001356840133667 Time using '===': 0.0035929679870605 'instanceof' was faster by 164.80 percent.
Output for hhvm-3.10.0
Time using '!': 0.00098705291748047 Time using '===': 0.00079512596130371 '!== null' was faster by 24.14 percent.
Output for 5.6.28
Time using '!': 0.00087499618530273 Time using '===': 0.00043702125549316 '!== null' was faster by 100.22 percent.
Output for 5.6.25
Time using '!': 0.0010879039764404 Time using '===': 0.0006411075592041 '!== null' was faster by 69.69 percent.
Output for 5.6.24
Time using '!': 0.00058507919311523 Time using '===': 0.00039815902709961 '!== null' was faster by 46.95 percent.
Output for 5.6.23
Time using '!': 0.00072407722473145 Time using '===': 0.00040507316589355 '!== null' was faster by 78.75 percent.
Output for 5.6.22
Time using '!': 0.00041890144348145 Time using '===': 0.00028491020202637 '!== null' was faster by 47.03 percent.
Output for 5.6.21
Time using '!': 0.00064396858215332 Time using '===': 0.0003509521484375 '!== null' was faster by 83.49 percent.
Output for 5.6.20
Time using '!': 0.00049901008605957 Time using '===': 0.00034189224243164 '!== null' was faster by 45.96 percent.
Output for 5.6.19
Time using '!': 0.00069689750671387 Time using '===': 0.00047397613525391 '!== null' was faster by 47.03 percent.
Output for 5.6.18
Time using '!': 0.0010888576507568 Time using '===': 0.00075602531433105 '!== null' was faster by 44.02 percent.
Output for 5.6.17
Time using '!': 0.00057387351989746 Time using '===': 0.00039505958557129 '!== null' was faster by 45.26 percent.
Output for 5.6.16
Time using '!': 0.00068402290344238 Time using '===': 0.00043606758117676 '!== null' was faster by 56.86 percent.
Output for 5.6.15
Time using '!': 0.00049209594726562 Time using '===': 0.00036191940307617 '!== null' was faster by 35.97 percent.
Output for 5.6.14
Time using '!': 0.00051093101501465 Time using '===': 0.0003509521484375 '!== null' was faster by 45.58 percent.
Output for 5.6.13
Time using '!': 0.000518798828125 Time using '===': 0.0003509521484375 '!== null' was faster by 47.83 percent.
Output for 5.6.12
Time using '!': 0.00049400329589844 Time using '===': 0.00033903121948242 '!== null' was faster by 45.71 percent.
Output for 5.6.11
Time using '!': 0.00070500373840332 Time using '===': 0.00049114227294922 '!== null' was faster by 43.54 percent.
Output for 5.6.10
Time using '!': 0.00058889389038086 Time using '===': 0.00050592422485352 '!== null' was faster by 16.40 percent.
Output for 5.6.9
Time using '!': 0.00047898292541504 Time using '===': 0.00031590461730957 '!== null' was faster by 51.62 percent.
Output for 5.6.8
Time using '!': 0.00044012069702148 Time using '===': 0.00029397010803223 '!== null' was faster by 49.72 percent.
Output for 5.6.7
Time using '!': 0.0006258487701416 Time using '===': 0.00044083595275879 '!== null' was faster by 41.97 percent.
Output for 5.6.6
Time using '!': 0.00058913230895996 Time using '===': 0.00039815902709961 '!== null' was faster by 47.96 percent.
Output for 5.6.5
Time using '!': 0.00044608116149902 Time using '===': 0.00031614303588867 '!== null' was faster by 41.10 percent.
Output for 5.6.4
Time using '!': 0.00069808959960938 Time using '===': 0.00045108795166016 '!== null' was faster by 54.76 percent.
Output for 5.6.3
Time using '!': 0.00041818618774414 Time using '===': 0.00028800964355469 '!== null' was faster by 45.20 percent.
Output for 5.6.2
Time using '!': 0.00063109397888184 Time using '===': 0.00046801567077637 '!== null' was faster by 34.84 percent.
Output for 5.6.1
Time using '!': 0.00041699409484863 Time using '===': 0.00029993057250977 '!== null' was faster by 39.03 percent.
Output for 5.6.0
Time using '!': 0.00057601928710938 Time using '===': 0.00041604042053223 '!== null' was faster by 38.45 percent.
Output for 5.5.38
Time using '!': 0.00065207481384277 Time using '===': 0.00047397613525391 '!== null' was faster by 37.58 percent.
Output for 5.5.37
Time using '!': 0.0010709762573242 Time using '===': 0.00072693824768066 '!== null' was faster by 47.33 percent.
Output for 5.5.36
Time using '!': 0.00062084197998047 Time using '===': 0.00045204162597656 '!== null' was faster by 37.34 percent.
Output for 5.5.35
Time using '!': 0.0010840892791748 Time using '===': 0.00074005126953125 '!== null' was faster by 46.49 percent.
Output for 5.5.34
Time using '!': 0.00049710273742676 Time using '===': 0.00031709671020508 '!== null' was faster by 56.77 percent.
Output for 5.5.33
Time using '!': 0.00052118301391602 Time using '===': 0.00032687187194824 '!== null' was faster by 59.45 percent.
Output for 5.5.32
Time using '!': 0.00066494941711426 Time using '===': 0.00041294097900391 '!== null' was faster by 61.03 percent.
Output for 5.5.31
Time using '!': 0.00043296813964844 Time using '===': 0.00028681755065918 '!== null' was faster by 50.96 percent.
Output for 5.5.30
Time using '!': 0.00043487548828125 Time using '===': 0.00028800964355469 '!== null' was faster by 50.99 percent.
Output for 5.5.29
Time using '!': 0.00044107437133789 Time using '===': 0.00031900405883789 '!== null' was faster by 38.27 percent.
Output for 5.5.28
Time using '!': 0.00056695938110352 Time using '===': 0.0003819465637207 '!== null' was faster by 48.44 percent.
Output for 5.5.27
Time using '!': 0.00061798095703125 Time using '===': 0.0004122257232666 '!== null' was faster by 49.91 percent.
Output for 5.5.26
Time using '!': 0.0016050338745117 Time using '===': 0.00079202651977539 '!== null' was faster by 102.65 percent.
Output for 5.5.25
Time using '!': 0.00055885314941406 Time using '===': 0.00036501884460449 '!== null' was faster by 53.10 percent.
Output for 5.5.24
Time using '!': 0.00043010711669922 Time using '===': 0.00029706954956055 '!== null' was faster by 44.78 percent.
Output for 5.5.23
Time using '!': 0.00041508674621582 Time using '===': 0.00027799606323242 '!== null' was faster by 49.31 percent.
Output for 5.5.22
Time using '!': 0.00059890747070312 Time using '===': 0.00039982795715332 '!== null' was faster by 49.79 percent.
Output for 5.5.21
Time using '!': 0.00069999694824219 Time using '===': 0.00046014785766602 '!== null' was faster by 52.12 percent.
Output for 5.5.20
Time using '!': 0.00084614753723145 Time using '===': 0.00059700012207031 '!== null' was faster by 41.73 percent.
Output for 5.5.19
Time using '!': 0.00043702125549316 Time using '===': 0.0002899169921875 '!== null' was faster by 50.74 percent.
Output for 5.5.18
Time using '!': 0.00048995018005371 Time using '===': 0.00032782554626465 '!== null' was faster by 49.45 percent.
Output for 5.5.16
Time using '!': 0.00090789794921875 Time using '===': 0.00057601928710938 '!== null' was faster by 57.62 percent.
Output for 5.5.15
Time using '!': 0.00052809715270996 Time using '===': 0.00036191940307617 '!== null' was faster by 45.92 percent.
Output for 5.5.14
Time using '!': 0.00050902366638184 Time using '===': 0.00033998489379883 '!== null' was faster by 49.72 percent.
Output for 5.5.13
Time using '!': 0.00052094459533691 Time using '===': 0.00036096572875977 '!== null' was faster by 44.32 percent.
Output for 5.5.12
Time using '!': 0.00063109397888184 Time using '===': 0.00049996376037598 '!== null' was faster by 26.23 percent.
Output for 5.5.11
Time using '!': 0.0006558895111084 Time using '===': 0.00045204162597656 '!== null' was faster by 45.09 percent.
Output for 5.5.10
Time using '!': 0.0006558895111084 Time using '===': 0.0004429817199707 '!== null' was faster by 48.06 percent.
Output for 5.5.9
Time using '!': 0.00059986114501953 Time using '===': 0.0003969669342041 '!== null' was faster by 51.11 percent.
Output for 5.5.8
Time using '!': 0.00047993659973145 Time using '===': 0.00036406517028809 '!== null' was faster by 31.83 percent.
Output for 5.5.7
Time using '!': 0.00058603286743164 Time using '===': 0.00039911270141602 '!== null' was faster by 46.83 percent.
Output for 5.5.6
Time using '!': 0.00041890144348145 Time using '===': 0.00029301643371582 '!== null' was faster by 42.96 percent.
Output for 5.5.5
Time using '!': 0.0006561279296875 Time using '===': 0.00045990943908691 '!== null' was faster by 42.66 percent.
Output for 5.5.4
Time using '!': 0.00045895576477051 Time using '===': 0.0003199577331543 '!== null' was faster by 43.44 percent.
Output for 5.5.3
Time using '!': 0.00053095817565918 Time using '===': 0.00036501884460449 '!== null' was faster by 45.46 percent.
Output for 5.5.2
Time using '!': 0.00053501129150391 Time using '===': 0.00036978721618652 '!== null' was faster by 44.68 percent.
Output for 5.5.1
Time using '!': 0.00041890144348145 Time using '===': 0.00033378601074219 '!== null' was faster by 25.50 percent.
Output for 5.5.0
Time using '!': 0.00067305564880371 Time using '===': 0.0004580020904541 '!== null' was faster by 46.95 percent.
Output for 5.4.45
Time using '!': 0.00064802169799805 Time using '===': 0.00044608116149902 '!== null' was faster by 45.27 percent.
Output for 5.4.44
Time using '!': 0.00060296058654785 Time using '===': 0.00041604042053223 '!== null' was faster by 44.93 percent.
Output for 5.4.43
Time using '!': 0.00057196617126465 Time using '===': 0.00040817260742188 '!== null' was faster by 40.13 percent.
Output for 5.4.42
Time using '!': 0.00066685676574707 Time using '===': 0.00049400329589844 '!== null' was faster by 34.99 percent.
Output for 5.4.41
Time using '!': 0.0005500316619873 Time using '===': 0.0003969669342041 '!== null' was faster by 38.56 percent.
Output for 5.4.40
Time using '!': 0.0003960132598877 Time using '===': 0.00023508071899414 '!== null' was faster by 68.46 percent.
Output for 5.4.39
Time using '!': 0.00072908401489258 Time using '===': 0.00050592422485352 '!== null' was faster by 44.11 percent.
Output for 5.4.38
Time using '!': 0.00046706199645996 Time using '===': 0.00032496452331543 '!== null' was faster by 43.73 percent.
Output for 5.4.37
Time using '!': 0.00070500373840332 Time using '===': 0.00047206878662109 '!== null' was faster by 49.34 percent.
Output for 5.4.36
Time using '!': 0.0005948543548584 Time using '===': 0.00040912628173828 '!== null' was faster by 45.40 percent.
Output for 5.4.35
Time using '!': 0.00055098533630371 Time using '===': 0.00040507316589355 '!== null' was faster by 36.02 percent.
Output for 5.4.34
Time using '!': 0.00041699409484863 Time using '===': 0.00028610229492188 '!== null' was faster by 45.75 percent.
Output for 5.4.32
Time using '!': 0.00044918060302734 Time using '===': 0.00032615661621094 '!== null' was faster by 37.72 percent.
Output for 5.4.31
Time using '!': 0.00065207481384277 Time using '===': 0.00046610832214355 '!== null' was faster by 39.90 percent.
Output for 5.4.30
Time using '!': 0.00048494338989258 Time using '===': 0.00032496452331543 '!== null' was faster by 49.23 percent.
Output for 5.4.29
Time using '!': 0.00057291984558105 Time using '===': 0.00050210952758789 '!== null' was faster by 14.10 percent.
Output for 5.4.28
Time using '!': 0.00067996978759766 Time using '===': 0.00045108795166016 '!== null' was faster by 50.74 percent.
Output for 5.4.27
Time using '!': 0.00053501129150391 Time using '===': 0.00032711029052734 '!== null' was faster by 63.56 percent.
Output for 5.4.26
Time using '!': 0.00055193901062012 Time using '===': 0.00037813186645508 '!== null' was faster by 45.96 percent.
Output for 5.4.25
Time using '!': 0.00068783760070801 Time using '===': 0.00044822692871094 '!== null' was faster by 53.46 percent.
Output for 5.4.24
Time using '!': 0.00060200691223145 Time using '===': 0.00042891502380371 '!== null' was faster by 40.36 percent.
Output for 5.4.23
Time using '!': 0.00068879127502441 Time using '===': 0.00049614906311035 '!== null' was faster by 38.83 percent.
Output for 5.4.22
Time using '!': 0.0005490779876709 Time using '===': 0.00039100646972656 '!== null' was faster by 40.43 percent.
Output for 5.4.21
Time using '!': 0.00057697296142578 Time using '===': 0.00041103363037109 '!== null' was faster by 40.37 percent.
Output for 5.4.20
Time using '!': 0.00053787231445312 Time using '===': 0.00039219856262207 '!== null' was faster by 37.14 percent.
Output for 5.4.19
Time using '!': 0.00072908401489258 Time using '===': 0.00046396255493164 '!== null' was faster by 57.14 percent.
Output for 5.4.18
Time using '!': 0.00059604644775391 Time using '===': 0.00042104721069336 '!== null' was faster by 41.56 percent.
Output for 5.4.17
Time using '!': 0.0010690689086914 Time using '===': 0.0007631778717041 '!== null' was faster by 40.08 percent.
Output for 5.4.16
Time using '!': 0.00063896179199219 Time using '===': 0.00043010711669922 '!== null' was faster by 48.56 percent.
Output for 5.4.15
Time using '!': 0.00052714347839355 Time using '===': 0.00037121772766113 '!== null' was faster by 42.00 percent.
Output for 5.4.14
Time using '!': 0.00052499771118164 Time using '===': 0.00034499168395996 '!== null' was faster by 52.18 percent.
Output for 5.4.13
Time using '!': 0.00036406517028809 Time using '===': 0.00025820732116699 '!== null' was faster by 41.00 percent.
Output for 5.4.12
Time using '!': 0.00066781044006348 Time using '===': 0.00047183036804199 '!== null' was faster by 41.54 percent.
Output for 5.4.11
Time using '!': 0.00066423416137695 Time using '===': 0.00043296813964844 '!== null' was faster by 53.41 percent.
Output for 5.4.10
Time using '!': 0.00069189071655273 Time using '===': 0.00047707557678223 '!== null' was faster by 45.03 percent.
Output for 5.4.9
Time using '!': 0.00074100494384766 Time using '===': 0.00049901008605957 '!== null' was faster by 48.49 percent.
Output for 5.4.8
Time using '!': 0.00069808959960938 Time using '===': 0.00047516822814941 '!== null' was faster by 46.91 percent.
Output for 5.4.7
Time using '!': 0.00063800811767578 Time using '===': 0.0004580020904541 '!== null' was faster by 39.30 percent.
Output for 5.4.6
Time using '!': 0.00054311752319336 Time using '===': 0.0003969669342041 '!== null' was faster by 36.82 percent.
Output for 5.4.5
Time using '!': 0.00059199333190918 Time using '===': 0.0003960132598877 '!== null' was faster by 49.49 percent.
Output for 5.4.4
Time using '!': 0.00051212310791016 Time using '===': 0.00036001205444336 '!== null' was faster by 42.25 percent.
Output for 5.4.3
Time using '!': 0.00069403648376465 Time using '===': 0.00045585632324219 '!== null' was faster by 52.25 percent.
Output for 5.4.2
Time using '!': 0.00065183639526367 Time using '===': 0.00044083595275879 '!== null' was faster by 47.86 percent.
Output for 5.4.1
Time using '!': 0.00043582916259766 Time using '===': 0.00030899047851562 '!== null' was faster by 41.05 percent.
Output for 5.4.0
Time using '!': 0.00067496299743652 Time using '===': 0.00047588348388672 '!== null' was faster by 41.83 percent.
Output for 5.3.29
Time using '!': 0.0012519359588623 Time using '===': 0.00049495697021484 '!== null' was faster by 152.94 percent.
Output for 5.3.28
Time using '!': 0.0010979175567627 Time using '===': 0.00052690505981445 '!== null' was faster by 108.37 percent.
Output for 5.3.16, 5.3.27
Time using '!': 0.00092291831970215 Time using '===': 0.00043511390686035 '!== null' was faster by 112.11 percent.
Output for 5.3.26
Time using '!': 0.0011060237884521 Time using '===': 0.00054097175598145 '!== null' was faster by 104.45 percent.
Output for 5.3.25
Time using '!': 0.0012140274047852 Time using '===': 0.00055408477783203 '!== null' was faster by 119.10 percent.
Output for 5.3.24
Time using '!': 0.0013370513916016 Time using '===': 0.0006260871887207 '!== null' was faster by 113.56 percent.
Output for 5.3.23
Time using '!': 0.001147985458374 Time using '===': 0.00053215026855469 '!== null' was faster by 115.73 percent.
Output for 5.3.22
Time using '!': 0.0013458728790283 Time using '===': 0.00061297416687012 '!== null' was faster by 119.56 percent.
Output for 5.3.21
Time using '!': 0.00098609924316406 Time using '===': 0.00047492980957031 '!== null' was faster by 107.63 percent.
Output for 5.3.20
Time using '!': 0.00089502334594727 Time using '===': 0.00043606758117676 '!== null' was faster by 105.25 percent.
Output for 5.3.19
Time using '!': 0.0009160041809082 Time using '===': 0.00046086311340332 '!== null' was faster by 98.76 percent.
Output for 5.3.18
Time using '!': 0.0010080337524414 Time using '===': 0.00042605400085449 '!== null' was faster by 136.60 percent.
Output for 5.3.17
Time using '!': 0.0010838508605957 Time using '===': 0.00053691864013672 '!== null' was faster by 101.87 percent.
Output for 5.3.15
Time using '!': 0.00091314315795898 Time using '===': 0.00042319297790527 '!== null' was faster by 115.77 percent.
Output for 5.3.14
Time using '!': 0.0013978481292725 Time using '===': 0.00064778327941895 '!== null' was faster by 115.79 percent.
Output for 5.3.13
Time using '!': 0.0011579990386963 Time using '===': 0.00056099891662598 '!== null' was faster by 106.42 percent.
Output for 5.3.12
Time using '!': 0.0014419555664062 Time using '===': 0.00065302848815918 '!== null' was faster by 120.81 percent.
Output for 5.3.11
Time using '!': 0.0011780261993408 Time using '===': 0.00052905082702637 '!== null' was faster by 122.67 percent.
Output for 5.3.10
Time using '!': 0.0011389255523682 Time using '===': 0.00060105323791504 '!== null' was faster by 89.49 percent.
Output for 5.3.9
Time using '!': 0.001255989074707 Time using '===': 0.00060296058654785 '!== null' was faster by 108.30 percent.
Output for 5.3.8
Time using '!': 0.00096392631530762 Time using '===': 0.00044393539428711 '!== null' was faster by 117.13 percent.
Output for 5.3.7
Time using '!': 0.0013358592987061 Time using '===': 0.00061392784118652 '!== null' was faster by 117.59 percent.
Output for 5.3.6
Time using '!': 0.0014550685882568 Time using '===': 0.00066399574279785 '!== null' was faster by 119.14 percent.
Output for 5.3.5
Time using '!': 0.0011348724365234 Time using '===': 0.00052309036254883 '!== null' was faster by 116.96 percent.
Output for 5.3.4
Time using '!': 0.0011968612670898 Time using '===': 0.00054407119750977 '!== null' was faster by 119.98 percent.
Output for 5.3.3
Time using '!': 0.0012359619140625 Time using '===': 0.00055599212646484 '!== null' was faster by 122.30 percent.
Output for 5.3.2
Time using '!': 0.0011849403381348 Time using '===': 0.00051403045654297 '!== null' was faster by 130.52 percent.
Output for 5.3.1
Time using '!': 0.0013608932495117 Time using '===': 0.00062394142150879 '!== null' was faster by 118.11 percent.
Output for 5.3.0
Time using '!': 0.0011749267578125 Time using '===': 0.00058197975158691 '!== null' was faster by 101.88 percent.
Output for 5.2.17
Time using '!': 0.00095391273498535 Time using '===': 0.00049209594726562 '!== null' was faster by 93.85 percent.
Output for 5.2.16
Time using '!': 0.0012331008911133 Time using '===': 0.00064587593078613 '!== null' was faster by 90.92 percent.
Output for 5.2.15
Time using '!': 0.0016160011291504 Time using '===': 0.00086212158203125 '!== null' was faster by 87.44 percent.
Output for 5.2.14
Time using '!': 0.0014879703521729 Time using '===': 0.00081396102905273 '!== null' was faster by 82.81 percent.
Output for 5.2.13
Time using '!': 0.0016632080078125 Time using '===': 0.00087213516235352 '!== null' was faster by 90.71 percent.
Output for 5.2.12
Time using '!': 0.0013589859008789 Time using '===': 0.00075316429138184 '!== null' was faster by 80.44 percent.
Output for 5.2.11
Time using '!': 0.0016369819641113 Time using '===': 0.00073504447937012 '!== null' was faster by 122.71 percent.
Output for 5.2.10
Time using '!': 0.0015439987182617 Time using '===': 0.00085997581481934 '!== null' was faster by 79.54 percent.
Output for 5.2.9
Time using '!': 0.00094890594482422 Time using '===': 0.00049304962158203 '!== null' was faster by 92.46 percent.
Output for 5.2.8
Time using '!': 0.0013158321380615 Time using '===': 0.00069904327392578 '!== null' was faster by 88.23 percent.
Output for 5.2.7
Time using '!': 0.0017108917236328 Time using '===': 0.00091385841369629 '!== null' was faster by 87.22 percent.
Output for 5.2.6
Time using '!': 0.0014748573303223 Time using '===': 0.00076794624328613 '!== null' was faster by 92.05 percent.
Output for 5.2.5
Time using '!': 0.0014379024505615 Time using '===': 0.00082993507385254 '!== null' was faster by 73.25 percent.
Output for 5.2.4
Time using '!': 0.0017819404602051 Time using '===': 0.00096511840820312 '!== null' was faster by 84.63 percent.
Output for 5.2.3
Time using '!': 0.0013978481292725 Time using '===': 0.00076007843017578 '!== null' was faster by 83.91 percent.
Output for 5.2.2
Time using '!': 0.0016729831695557 Time using '===': 0.00090384483337402 '!== null' was faster by 85.10 percent.
Output for 5.2.1
Time using '!': 0.0013508796691895 Time using '===': 0.00068306922912598 '!== null' was faster by 97.77 percent.
Output for 5.2.0
Time using '!': 0.0016360282897949 Time using '===': 0.00085186958312988 '!== null' was faster by 92.05 percent.
Output for 5.1.6
Time using '!': 0.0017409324645996 Time using '===': 0.00093913078308105 '!== null' was faster by 85.38 percent.
Output for 5.1.5
Time using '!': 0.0018360614776611 Time using '===': 0.0010850429534912 '!== null' was faster by 69.22 percent.
Output for 5.1.4
Time using '!': 0.0017430782318115 Time using '===': 0.00091409683227539 '!== null' was faster by 90.69 percent.
Output for 5.1.3
Time using '!': 0.0012660026550293 Time using '===': 0.00067496299743652 '!== null' was faster by 87.57 percent.
Output for 5.1.2
Time using '!': 0.0014190673828125 Time using '===': 0.00096797943115234 '!== null' was faster by 46.60 percent.
Output for 5.1.1
Time using '!': 0.0015270709991455 Time using '===': 0.0011458396911621 '!== null' was faster by 33.27 percent.
Output for 5.1.0
Time using '!': 0.0015280246734619 Time using '===': 0.0010929107666016 '!== null' was faster by 39.81 percent.
Output for 5.0.5
Time using '!': 0.0019378662109375 Time using '===': 0.0016179084777832 '!== null' was faster by 19.78 percent.
Output for 5.0.4
Time using '!': 0.0032641887664795 Time using '===': 0.0025742053985596 '!== null' was faster by 26.80 percent.
Output for 5.0.3
Time using '!': 0.0022499561309814 Time using '===': 0.0018661022186279 '!== null' was faster by 20.57 percent.
Output for 5.0.2
Time using '!': 0.0031709671020508 Time using '===': 0.0028979778289795 '!== null' was faster by 9.42 percent.
Output for 5.0.1
Time using '!': 0.0041730403900146 Time using '===': 0.003695011138916 '!== null' was faster by 12.94 percent.
Output for 5.0.0
Time using '!': 0.00331711769104 Time using '===': 0.0028750896453857 '!== null' was faster by 15.37 percent.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/4Wmcn on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/4Wmcn on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4Wmcn on line 11
Process exited with code 255.