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); } else { $p = (($time2-$time1)/$time1) * 100; printf("'instanceof' was faster by %.2f percent.", $p); }
Output for 7.1.0
Time using '!': 0.00023198127746582 Time using '===': 0.00018405914306641 '!== null' was faster by 26.04 percent.
Output for 7.0.14
Time using '!': 0.00021910667419434 Time using '===': 0.00017404556274414 '!== null' was faster by 25.89 percent.
Output for 7.0.9
Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/7.0.9/modules/intl.so' - /usr/lib/php/7.0.9/modules/intl.so: cannot open shared object file: No such file or directory in Unknown on line 0 Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/7.0.9/modules/bcmath.so' - /usr/lib/php/7.0.9/modules/bcmath.so: cannot open shared object file: No such file or directory in Unknown on line 0 Time using '!': 0.00012993812561035 Time using '===': 0.00010204315185547 '!== null' was faster by 27.34 percent.Failed loading /usr/lib/php/7.0.9/modules/opcache.so: /usr/lib/php/7.0.9/modules/opcache.so: cannot open shared object file: No such file or directory PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/7.0.9/modules/intl.so' - /usr/lib/php/7.0.9/modules/intl.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/7.0.9/modules/bcmath.so' - /usr/lib/php/7.0.9/modules/bcmath.so: cannot open shared object file: No such file or directory in Unknown on line 0
Output for 7.0.8
Time using '!': 0.00017714500427246 Time using '===': 0.00014901161193848 '!== null' was faster by 18.88 percent.
Output for 7.0.7
Time using '!': 0.00019693374633789 Time using '===': 0.00015711784362793 '!== null' was faster by 25.34 percent.
Output for 7.0.6
Time using '!': 0.00013995170593262 Time using '===': 0.00012397766113281 '!== null' was faster by 12.88 percent.
Output for 7.0.5
Time using '!': 0.00020503997802734 Time using '===': 0.00015807151794434 '!== null' was faster by 29.71 percent.
Output for 7.0.4
Time using '!': 0.00017189979553223 Time using '===': 0.00015997886657715 '!== null' was faster by 7.45 percent.
Output for 7.0.3
Time using '!': 0.00018811225891113 Time using '===': 0.00014901161193848 '!== null' was faster by 26.24 percent.
Output for 7.0.2
Time using '!': 0.00015401840209961 Time using '===': 0.00011801719665527 '!== null' was faster by 30.51 percent.
Output for 7.0.1
Time using '!': 0.00013208389282227 Time using '===': 0.00010323524475098 '!== null' was faster by 27.94 percent.
Output for 7.0.0
Time using '!': 0.0001368522644043 Time using '===': 0.00010085105895996 '!== null' was faster by 35.70 percent.
Output for 5.6.28
Time using '!': 0.0008540153503418 Time using '===': 0.00052309036254883 '!== null' was faster by 63.26 percent.
Output for 5.6.23
Time using '!': 0.00058889389038086 Time using '===': 0.00051498413085938 '!== null' was faster by 14.35 percent.
Output for 5.6.22
Time using '!': 0.00048589706420898 Time using '===': 0.00041007995605469 '!== null' was faster by 18.49 percent.
Output for 5.6.21
Time using '!': 0.00064706802368164 Time using '===': 0.00052690505981445 '!== null' was faster by 22.81 percent.
Output for 5.6.20
Time using '!': 0.00053691864013672 Time using '===': 0.00046610832214355 '!== null' was faster by 15.19 percent.
Output for 5.6.19
Time using '!': 0.00064611434936523 Time using '===': 0.00052690505981445 '!== null' was faster by 22.62 percent.
Output for 5.6.18
Time using '!': 0.00046300888061523 Time using '===': 0.00037908554077148 '!== null' was faster by 22.14 percent.
Output for 5.6.17
Time using '!': 0.00040316581726074 Time using '===': 0.00032520294189453 '!== null' was faster by 23.97 percent.
Output for 5.6.16
Time using '!': 0.00039505958557129 Time using '===': 0.0003349781036377 '!== null' was faster by 17.94 percent.
Output for 5.6.15
Time using '!': 0.00050210952758789 Time using '===': 0.0003809928894043 '!== null' was faster by 31.79 percent.
Output for 5.6.14
Time using '!': 0.00039100646972656 Time using '===': 0.0003209114074707 '!== null' was faster by 21.84 percent.
Output for 5.6.13
Time using '!': 0.0005650520324707 Time using '===': 0.00046801567077637 '!== null' was faster by 20.73 percent.
Output for 5.6.12
Time using '!': 0.00037407875061035 Time using '===': 0.00029993057250977 '!== null' was faster by 24.72 percent.
Output for 5.6.11
Time using '!': 0.00041103363037109 Time using '===': 0.00030684471130371 '!== null' was faster by 33.95 percent.
Output for 5.6.10
Time using '!': 0.00044703483581543 Time using '===': 0.00037384033203125 '!== null' was faster by 19.58 percent.
Output for 5.6.9
Time using '!': 0.00039100646972656 Time using '===': 0.00033187866210938 '!== null' was faster by 17.82 percent.
Output for 5.6.8
Time using '!': 0.00041699409484863 Time using '===': 0.00034093856811523 '!== null' was faster by 22.31 percent.
Output for 5.6.7
Time using '!': 0.00039100646972656 Time using '===': 0.00032901763916016 '!== null' was faster by 18.84 percent.
Output for 5.6.6
Time using '!': 0.00036191940307617 Time using '===': 0.00037384033203125 'instanceof' was faster by 3.29 percent.
Output for 5.6.5
Time using '!': 0.00054693222045898 Time using '===': 0.00043892860412598 '!== null' was faster by 24.61 percent.
Output for 5.6.4
Time using '!': 0.00039005279541016 Time using '===': 0.00032997131347656 '!== null' was faster by 18.21 percent.
Output for 5.6.3
Time using '!': 0.00037384033203125 Time using '===': 0.00030398368835449 '!== null' was faster by 22.98 percent.
Output for 5.6.2
Time using '!': 0.00049686431884766 Time using '===': 0.0003960132598877 '!== null' was faster by 25.47 percent.
Output for 5.6.1
Time using '!': 0.00041604042053223 Time using '===': 0.00035309791564941 '!== null' was faster by 17.83 percent.
Output for 5.6.0
Time using '!': 0.00065708160400391 Time using '===': 0.00056600570678711 '!== null' was faster by 16.09 percent.
Output for 5.5.37
Time using '!': 0.00063800811767578 Time using '===': 0.00055718421936035 '!== null' was faster by 14.51 percent.
Output for 5.5.36
Time using '!': 0.00062704086303711 Time using '===': 0.0004429817199707 '!== null' was faster by 41.55 percent.
Output for 5.5.35
Time using '!': 0.00065207481384277 Time using '===': 0.00053906440734863 '!== null' was faster by 20.96 percent.
Output for 5.5.34
Time using '!': 0.0005037784576416 Time using '===': 0.00040912628173828 '!== null' was faster by 23.14 percent.
Output for 5.5.33
Time using '!': 0.00066018104553223 Time using '===': 0.00056195259094238 '!== null' was faster by 17.48 percent.
Output for 5.5.32
Time using '!': 0.00040197372436523 Time using '===': 0.00032997131347656 '!== null' was faster by 21.82 percent.
Output for 5.5.31
Time using '!': 0.00047802925109863 Time using '===': 0.00038290023803711 '!== null' was faster by 24.84 percent.
Output for 5.5.30
Time using '!': 0.00050210952758789 Time using '===': 0.00032186508178711 '!== null' was faster by 56.00 percent.
Output for 5.5.29
Time using '!': 0.0006260871887207 Time using '===': 0.00048208236694336 '!== null' was faster by 29.87 percent.
Output for 5.5.28
Time using '!': 0.00040698051452637 Time using '===': 0.0003199577331543 '!== null' was faster by 27.20 percent.
Output for 5.5.27
Time using '!': 0.00039410591125488 Time using '===': 0.0003199577331543 '!== null' was faster by 23.17 percent.
Output for 5.5.26
Time using '!': 0.00040888786315918 Time using '===': 0.00031876564025879 '!== null' was faster by 28.27 percent.
Output for 5.5.25
Time using '!': 0.0003349781036377 Time using '===': 0.00026988983154297 '!== null' was faster by 24.12 percent.
Output for 5.5.24
Time using '!': 0.00042200088500977 Time using '===': 0.00033998489379883 '!== null' was faster by 24.12 percent.
Output for 5.5.23
Time using '!': 0.00039792060852051 Time using '===': 0.00032997131347656 '!== null' was faster by 20.59 percent.
Output for 5.5.22
Time using '!': 0.00048518180847168 Time using '===': 0.00034809112548828 '!== null' was faster by 39.38 percent.
Output for 5.5.21
Time using '!': 0.00064992904663086 Time using '===': 0.00053095817565918 '!== null' was faster by 22.41 percent.
Output for 5.5.20
Time using '!': 0.00047802925109863 Time using '===': 0.00038504600524902 '!== null' was faster by 24.15 percent.
Output for 5.5.19
Time using '!': 0.00044012069702148 Time using '===': 0.0003821849822998 '!== null' was faster by 15.16 percent.
Output for 5.5.18
Time using '!': 0.00060200691223145 Time using '===': 0.00048494338989258 '!== null' was faster by 24.14 percent.
Output for 5.5.16
Time using '!': 0.0010209083557129 Time using '===': 0.00078201293945312 '!== null' was faster by 30.55 percent.
Output for 5.5.15
Time using '!': 0.00060200691223145 Time using '===': 0.00048184394836426 '!== null' was faster by 24.94 percent.
Output for 5.5.14
Time using '!': 0.00056099891662598 Time using '===': 0.00044107437133789 '!== null' was faster by 27.19 percent.
Output for 5.5.13
Time using '!': 0.00053906440734863 Time using '===': 0.0004420280456543 '!== null' was faster by 21.95 percent.
Output for 5.5.12
Time using '!': 0.00066304206848145 Time using '===': 0.00052499771118164 '!== null' was faster by 26.29 percent.
Output for 5.5.11
Time using '!': 0.00061511993408203 Time using '===': 0.00050497055053711 '!== null' was faster by 21.81 percent.
Output for 5.5.10
Time using '!': 0.00036191940307617 Time using '===': 0.00033688545227051 '!== null' was faster by 7.43 percent.
Output for 5.5.9
Time using '!': 0.00055408477783203 Time using '===': 0.00044894218444824 '!== null' was faster by 23.42 percent.
Output for 5.5.8
Time using '!': 0.00050878524780273 Time using '===': 0.00039815902709961 '!== null' was faster by 27.78 percent.
Output for 5.5.7
Time using '!': 0.00039005279541016 Time using '===': 0.0003209114074707 '!== null' was faster by 21.55 percent.
Output for 5.5.6
Time using '!': 0.00067710876464844 Time using '===': 0.00055503845214844 '!== null' was faster by 21.99 percent.
Output for 5.5.5
Time using '!': 0.00059103965759277 Time using '===': 0.00048589706420898 '!== null' was faster by 21.64 percent.
Output for 5.5.4
Time using '!': 0.00060319900512695 Time using '===': 0.00050592422485352 '!== null' was faster by 19.23 percent.
Output for 5.5.3
Time using '!': 0.00058698654174805 Time using '===': 0.00047993659973145 '!== null' was faster by 22.31 percent.
Output for 5.5.2
Time using '!': 0.00058412551879883 Time using '===': 0.0004580020904541 '!== null' was faster by 27.54 percent.
Output for 5.5.1
Time using '!': 0.00064682960510254 Time using '===': 0.00053501129150391 '!== null' was faster by 20.90 percent.
Output for 5.5.0
Time using '!': 0.00056314468383789 Time using '===': 0.00045990943908691 '!== null' was faster by 22.45 percent.
Output for 5.4.45
Time using '!': 0.00064516067504883 Time using '===': 0.0005190372467041 '!== null' was faster by 24.30 percent.
Output for 5.4.44
Time using '!': 0.00038886070251465 Time using '===': 0.00031590461730957 '!== null' was faster by 23.09 percent.
Output for 5.4.43
Time using '!': 0.00033807754516602 Time using '===': 0.00026798248291016 '!== null' was faster by 26.16 percent.
Output for 5.4.42
Time using '!': 0.0003209114074707 Time using '===': 0.00026893615722656 '!== null' was faster by 19.33 percent.
Output for 5.4.41
Time using '!': 0.00039982795715332 Time using '===': 0.0003509521484375 '!== null' was faster by 13.93 percent.
Output for 5.4.40
Time using '!': 0.00035500526428223 Time using '===': 0.00031709671020508 '!== null' was faster by 11.95 percent.
Output for 5.4.39
Time using '!': 0.00043702125549316 Time using '===': 0.00039291381835938 '!== null' was faster by 11.23 percent.
Output for 5.4.38
Time using '!': 0.00038909912109375 Time using '===': 0.00031495094299316 '!== null' was faster by 23.54 percent.
Output for 5.4.37
Time using '!': 0.0003209114074707 Time using '===': 0.0002739429473877 '!== null' was faster by 17.15 percent.
Output for 5.4.36
Time using '!': 0.0004279613494873 Time using '===': 0.00034713745117188 '!== null' was faster by 23.28 percent.
Output for 5.4.35
Time using '!': 0.00047922134399414 Time using '===': 0.00035881996154785 '!== null' was faster by 33.55 percent.
Output for 5.4.34
Time using '!': 0.00048613548278809 Time using '===': 0.00038695335388184 '!== null' was faster by 25.63 percent.
Output for 5.4.32
Time using '!': 0.00064182281494141 Time using '===': 0.00052881240844727 '!== null' was faster by 21.37 percent.
Output for 5.4.31
Time using '!': 0.00052404403686523 Time using '===': 0.00043606758117676 '!== null' was faster by 20.17 percent.
Output for 5.4.30
Time using '!': 0.00066494941711426 Time using '===': 0.00053095817565918 '!== null' was faster by 25.24 percent.
Output for 5.4.29
Time using '!': 0.0006110668182373 Time using '===': 0.00052809715270996 '!== null' was faster by 15.71 percent.
Output for 5.4.28
Time using '!': 0.0004119873046875 Time using '===': 0.00036501884460449 '!== null' was faster by 12.87 percent.
Output for 5.4.27
Time using '!': 0.00045394897460938 Time using '===': 0.00035905838012695 '!== null' was faster by 26.43 percent.
Output for 5.4.26
Time using '!': 0.00065398216247559 Time using '===': 0.00053310394287109 '!== null' was faster by 22.67 percent.
Output for 5.4.25
Time using '!': 0.00058698654174805 Time using '===': 0.00049304962158203 '!== null' was faster by 19.05 percent.
Output for 5.4.24
Time using '!': 0.00058197975158691 Time using '===': 0.0004730224609375 '!== null' was faster by 23.03 percent.
Output for 5.4.23
Time using '!': 0.00064301490783691 Time using '===': 0.00049805641174316 '!== null' was faster by 29.10 percent.
Output for 5.4.22
Time using '!': 0.0006101131439209 Time using '===': 0.00049495697021484 '!== null' was faster by 23.27 percent.
Output for 5.4.21
Time using '!': 0.00058412551879883 Time using '===': 0.00048494338989258 '!== null' was faster by 20.45 percent.
Output for 5.4.20
Time using '!': 0.00051498413085938 Time using '===': 0.00041484832763672 '!== null' was faster by 24.14 percent.
Output for 5.4.19
Time using '!': 0.00048398971557617 Time using '===': 0.00046896934509277 '!== null' was faster by 3.20 percent.
Output for 5.4.18
Time using '!': 0.00052404403686523 Time using '===': 0.00039982795715332 '!== null' was faster by 31.07 percent.
Output for 5.4.17
Time using '!': 0.0005340576171875 Time using '===': 0.00045895576477051 '!== null' was faster by 16.36 percent.
Output for 5.4.16
Time using '!': 0.00038886070251465 Time using '===': 0.00032401084899902 '!== null' was faster by 20.01 percent.
Output for 5.4.15
Time using '!': 0.00068998336791992 Time using '===': 0.0005648136138916 '!== null' was faster by 22.16 percent.
Output for 5.4.14
Time using '!': 0.00049901008605957 Time using '===': 0.00040006637573242 '!== null' was faster by 24.73 percent.
Output for 5.4.13
Time using '!': 0.00056219100952148 Time using '===': 0.00046896934509277 '!== null' was faster by 19.88 percent.
Output for 5.4.12
Time using '!': 0.00047993659973145 Time using '===': 0.00039911270141602 '!== null' was faster by 20.25 percent.
Output for 5.4.11
Time using '!': 0.0005950927734375 Time using '===': 0.00048398971557617 '!== null' was faster by 22.96 percent.
Output for 5.4.10
Time using '!': 0.00049710273742676 Time using '===': 0.00040411949157715 '!== null' was faster by 23.01 percent.
Output for 5.4.9
Time using '!': 0.00059199333190918 Time using '===': 0.00047588348388672 '!== null' was faster by 24.40 percent.
Output for 5.4.8
Time using '!': 0.00047802925109863 Time using '===': 0.00043511390686035 '!== null' was faster by 9.86 percent.
Output for 5.4.7
Time using '!': 0.00061202049255371 Time using '===': 0.00047588348388672 '!== null' was faster by 28.61 percent.
Output for 5.4.6
Time using '!': 0.00059700012207031 Time using '===': 0.00052309036254883 '!== null' was faster by 14.13 percent.
Output for 5.4.5
Time using '!': 0.00065398216247559 Time using '===': 0.0005490779876709 '!== null' was faster by 19.11 percent.
Output for 5.4.4
Time using '!': 0.00054287910461426 Time using '===': 0.0004580020904541 '!== null' was faster by 18.53 percent.
Output for 5.4.3
Time using '!': 0.00047588348388672 Time using '===': 0.00038695335388184 '!== null' was faster by 22.98 percent.
Output for 5.4.2
Time using '!': 0.00052881240844727 Time using '===': 0.00040316581726074 '!== null' was faster by 31.16 percent.
Output for 5.4.1
Time using '!': 0.00068211555480957 Time using '===': 0.00056886672973633 '!== null' was faster by 19.91 percent.
Output for 5.4.0
Time using '!': 0.00052404403686523 Time using '===': 0.00041294097900391 '!== null' was faster by 26.91 percent.
Output for 5.3.29
Time using '!': 0.0010781288146973 Time using '===': 0.00057005882263184 '!== null' was faster by 89.13 percent.
Output for 5.3.28
Time using '!': 0.0020051002502441 Time using '===': 0.00087404251098633 '!== null' was faster by 129.41 percent.
Output for 5.3.27
Time using '!': 0.0011608600616455 Time using '===': 0.00058794021606445 '!== null' was faster by 97.45 percent.
Output for 5.3.26
Time using '!': 0.0009160041809082 Time using '===': 0.00046515464782715 '!== null' was faster by 96.92 percent.
Output for 5.3.25
Time using '!': 0.0012850761413574 Time using '===': 0.00058984756469727 '!== null' was faster by 117.87 percent.
Output for 5.3.24
Time using '!': 0.0011460781097412 Time using '===': 0.00058197975158691 '!== null' was faster by 96.93 percent.
Output for 5.3.23
Time using '!': 0.0012619495391846 Time using '===': 0.00058889389038086 '!== null' was faster by 114.29 percent.
Output for 5.3.22
Time using '!': 0.001244068145752 Time using '===': 0.00068306922912598 '!== null' was faster by 82.13 percent.
Output for 5.3.21
Time using '!': 0.0009760856628418 Time using '===': 0.0005028247833252 '!== null' was faster by 94.12 percent.
Output for 5.3.20
Time using '!': 0.001101016998291 Time using '===': 0.00049805641174316 '!== null' was faster by 121.06 percent.
Output for 5.3.19
Time using '!': 0.0011551380157471 Time using '===': 0.00054407119750977 '!== null' was faster by 112.31 percent.
Output for 5.3.18
Time using '!': 0.0011839866638184 Time using '===': 0.0006108283996582 '!== null' was faster by 93.83 percent.
Output for 5.3.17
Time using '!': 0.0012900829315186 Time using '===': 0.00066494941711426 '!== null' was faster by 94.01 percent.
Output for 5.3.16
Time using '!': 0.00079107284545898 Time using '===': 0.00040793418884277 '!== null' was faster by 93.92 percent.
Output for 5.3.15
Time using '!': 0.0012729167938232 Time using '===': 0.00064396858215332 '!== null' was faster by 97.67 percent.
Output for 5.3.14
Time using '!': 0.0012681484222412 Time using '===': 0.00068402290344238 '!== null' was faster by 85.40 percent.
Output for 5.3.13
Time using '!': 0.0011370182037354 Time using '===': 0.00058317184448242 '!== null' was faster by 94.97 percent.
Output for 5.3.12
Time using '!': 0.0010840892791748 Time using '===': 0.00054502487182617 '!== null' was faster by 98.91 percent.
Output for 5.3.11
Time using '!': 0.0012128353118896 Time using '===': 0.00059390068054199 '!== null' was faster by 104.22 percent.
Output for 5.3.10
Time using '!': 0.0012471675872803 Time using '===': 0.00069308280944824 '!== null' was faster by 79.94 percent.
Output for 5.3.9
Time using '!': 0.0010590553283691 Time using '===': 0.00054502487182617 '!== null' was faster by 94.31 percent.
Output for 5.3.8
Time using '!': 0.0009000301361084 Time using '===': 0.00047492980957031 '!== null' was faster by 89.51 percent.
Output for 5.3.7
Time using '!': 0.0013999938964844 Time using '===': 0.00072717666625977 '!== null' was faster by 92.52 percent.
Output for 5.3.6
Time using '!': 0.0013608932495117 Time using '===': 0.00067496299743652 '!== null' was faster by 101.62 percent.
Output for 5.3.5
Time using '!': 0.00091719627380371 Time using '===': 0.00044488906860352 '!== null' was faster by 106.16 percent.
Output for 5.3.4
Time using '!': 0.0010900497436523 Time using '===': 0.00060701370239258 '!== null' was faster by 79.58 percent.
Output for 5.3.3
Time using '!': 0.0011708736419678 Time using '===': 0.00058102607727051 '!== null' was faster by 101.52 percent.
Output for 5.3.2
Time using '!': 0.0014147758483887 Time using '===': 0.00074100494384766 '!== null' was faster by 90.93 percent.
Output for 5.3.1
Time using '!': 0.0011999607086182 Time using '===': 0.00061297416687012 '!== null' was faster by 95.76 percent.
Output for 5.3.0
Time using '!': 0.0012528896331787 Time using '===': 0.00053882598876953 '!== null' was faster by 132.52 percent.
Output for 5.2.17
Time using '!': 0.0013771057128906 Time using '===': 0.00082015991210938 '!== null' was faster by 67.91 percent.
Output for 5.2.16
Time using '!': 0.0015320777893066 Time using '===': 0.00091409683227539 '!== null' was faster by 67.61 percent.
Output for 5.2.15
Time using '!': 0.0010051727294922 Time using '===': 0.00057601928710938 '!== null' was faster by 74.50 percent.
Output for 5.2.14
Time using '!': 0.0016179084777832 Time using '===': 0.00098299980163574 '!== null' was faster by 64.59 percent.
Output for 5.2.13
Time using '!': 0.0016121864318848 Time using '===': 0.00097417831420898 '!== null' was faster by 65.49 percent.
Output for 5.2.12
Time using '!': 0.0019619464874268 Time using '===': 0.00099420547485352 '!== null' was faster by 97.34 percent.
Output for 5.2.11
Time using '!': 0.0013968944549561 Time using '===': 0.00082087516784668 '!== null' was faster by 70.17 percent.
Output for 5.2.10
Time using '!': 0.0015928745269775 Time using '===': 0.00086188316345215 '!== null' was faster by 84.81 percent.
Output for 5.2.9
Time using '!': 0.0013530254364014 Time using '===': 0.00078511238098145 '!== null' was faster by 72.34 percent.
Output for 5.2.8
Time using '!': 0.0016689300537109 Time using '===': 0.00096297264099121 '!== null' was faster by 73.31 percent.
Output for 5.2.7
Time using '!': 0.0016250610351562 Time using '===': 0.00097489356994629 '!== null' was faster by 66.69 percent.
Output for 5.2.6
Time using '!': 0.001521110534668 Time using '===': 0.00085902214050293 '!== null' was faster by 77.07 percent.
Output for 5.2.5
Time using '!': 0.0014808177947998 Time using '===': 0.00088095664978027 '!== null' was faster by 68.09 percent.
Output for 5.2.4
Time using '!': 0.0016031265258789 Time using '===': 0.00097894668579102 '!== null' was faster by 63.76 percent.
Output for 5.2.3
Time using '!': 0.0017240047454834 Time using '===': 0.00097489356994629 '!== null' was faster by 76.84 percent.
Output for 5.2.2
Time using '!': 0.00088095664978027 Time using '===': 0.00052094459533691 '!== null' was faster by 69.11 percent.
Output for 5.2.1
Time using '!': 0.0015380382537842 Time using '===': 0.00094413757324219 '!== null' was faster by 62.90 percent.
Output for 5.2.0
Time using '!': 0.001568078994751 Time using '===': 0.00094819068908691 '!== null' was faster by 65.38 percent.
Output for 5.1.6
Time using '!': 0.0012919902801514 Time using '===': 0.0008089542388916 '!== null' was faster by 59.71 percent.
Output for 5.1.5
Time using '!': 0.0016360282897949 Time using '===': 0.00096797943115234 '!== null' was faster by 69.01 percent.
Output for 5.1.4
Time using '!': 0.0016939640045166 Time using '===': 0.00098609924316406 '!== null' was faster by 71.78 percent.
Output for 5.1.3
Time using '!': 0.0013129711151123 Time using '===': 0.00077605247497559 '!== null' was faster by 69.19 percent.
Output for 5.1.2
Time using '!': 0.0012149810791016 Time using '===': 0.00083398818969727 '!== null' was faster by 45.68 percent.
Output for 5.1.1
Time using '!': 0.001533031463623 Time using '===': 0.0013561248779297 '!== null' was faster by 13.05 percent.
Output for 5.1.0
Time using '!': 0.0016210079193115 Time using '===': 0.0012779235839844 '!== null' was faster by 26.85 percent.
Output for 5.0.5
Time using '!': 0.0021629333496094 Time using '===': 0.0025029182434082 'instanceof' was faster by 15.72 percent.
Output for 5.0.4
Time using '!': 0.0037400722503662 Time using '===': 0.0034079551696777 '!== null' was faster by 9.75 percent.
Output for 5.0.3
Time using '!': 0.0024311542510986 Time using '===': 0.0020191669464111 '!== null' was faster by 20.40 percent.
Output for 5.0.2
Time using '!': 0.0023789405822754 Time using '===': 0.0022439956665039 '!== null' was faster by 6.01 percent.
Output for 5.0.1
Time using '!': 0.0034308433532715 Time using '===': 0.0023488998413086 '!== null' was faster by 46.06 percent.
Output for 5.0.0
Time using '!': 0.0022900104522705 Time using '===': 0.0021078586578369 '!== null' was faster by 8.64 percent.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/8VXcP 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/8VXcP on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/8VXcP on line 11
Process exited with code 255.