3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; $i = 1000000; $t = microtime(true); while ($i--) { $y = is_null($x); } echo microtime(true) - $t, PHP_EOL; $i = 1000000; $t = microtime(true); while ($i--) { $y = null === $x; } echo microtime(true) - $t, PHP_EOL;
Output for 7.4.1
0.017107963562012 0.020853996276855
Output for 7.4.0
0.013751983642578 0.014878988265991
Output for 7.3.13
0.018774032592773 0.015625
Output for 7.3.12
0.021927118301392 0.021175146102905
Output for 7.3.11
0.021663904190063 0.022571086883545
Output for 7.3.10
0.016803026199341 0.014466047286987
Output for 7.3.9
0.017666816711426 0.014449834823608
Output for 7.3.8
0.019744157791138 0.015783071517944
Output for 7.3.7
0.018349885940552 0.014527797698975
Output for 7.3.6
0.016676902770996 0.014714956283569
Output for 7.3.5
0.018054008483887 0.014680862426758
Output for 7.3.4
0.019032001495361 0.015668869018555
Output for 7.3.3
0.02030611038208 0.014640808105469
Output for 7.3.2
0.019660949707031 0.014629125595093
Output for 7.3.1
0.017803192138672 0.01446795463562
Output for 7.3.0
0.0193030834198 0.016166925430298
Output for 7.2.26
0.02233099937439 0.021998882293701
Output for 7.2.25
0.022084951400757 0.019937038421631
Output for 7.2.24
0.014343976974487 0.014101028442383
Output for 7.2.23
0.019470930099487 0.022252082824707
Output for 7.2.22
0.015635013580322 0.015794038772583
Output for 7.2.21
0.016388177871704 0.014056921005249
Output for 7.2.20
0.016000032424927 0.015155076980591
Output for 7.2.19
0.015763998031616 0.013842105865479
Output for 7.2.18
0.014058828353882 0.016159057617188
Output for 7.2.17
0.016847133636475 0.013819932937622
Output for 7.2.16
0.014135122299194 0.015979051589966
Output for 7.2.15
0.014358997344971 0.013882160186768
Output for 7.2.14
0.014117002487183 0.013827085494995
Output for 7.2.13
0.015406847000122 0.013758897781372
Output for 7.2.12
0.017458915710449 0.016413927078247
Output for 7.2.11
0.014539957046509 0.013859987258911
Output for 7.2.10
0.016537189483643 0.015826940536499
Output for 7.2.9
0.014348983764648 0.014250040054321
Output for 7.2.8
0.016767024993896 0.013798952102661
Output for 7.2.7
0.013780117034912 0.013507127761841
Output for 7.2.6
0.015665054321289 0.013384103775024
Output for 7.2.5
0.014157056808472 0.013846158981323
Output for 7.2.4
0.014116048812866 0.013805150985718
Output for 7.2.3
0.02115797996521 0.020339965820312
Output for 7.2.2
0.015127182006836 0.013873815536499
Output for 7.2.1
0.013725996017456 0.01582407951355
Output for 7.2.0
0.020004987716675 0.024677038192749
Output for 7.1.33
0.039704084396362 0.044028043746948
Output for 7.1.32
0.05076789855957 0.040295839309692
Output for 7.1.31
0.040045976638794 0.040390968322754
Output for 7.1.30
0.040838003158569 0.040024995803833
Output for 7.1.29
0.040040969848633 0.040578842163086
Output for 7.1.28
0.039874076843262 0.040590047836304
Output for 7.1.27
0.045000076293945 0.044237852096558
Output for 7.1.26
0.040314912796021 0.043555021286011
Output for 7.1.25
0.040432929992676 0.040640830993652
Output for 7.1.24
0.041783094406128 0.040587902069092
Output for 7.1.23
0.042620897293091 0.040068864822388
Output for 7.1.22
0.041735887527466 0.040606021881104
Output for 7.1.21
0.043362140655518 0.04377293586731
Output for 7.1.20
0.042953968048096 0.042042016983032
Output for 7.1.19
0.042342901229858 0.040122032165527
Output for 7.1.18
0.040395975112915 0.040073156356812
Output for 7.1.17
0.039963960647583 0.040181159973145
Output for 7.1.16
0.05429220199585 0.045507907867432
Output for 7.1.15
0.050443887710571 0.053285121917725
Output for 7.1.14
0.042891979217529 0.040185928344727
Output for 7.1.13
0.039270877838135 0.038786172866821
Output for 7.1.12
0.04947304725647 0.039776086807251
Output for 7.1.11
0.038426876068115 0.038564920425415
Output for 7.1.10
0.040406942367554 0.039917945861816
Output for 7.1.9
0.049676895141602 0.048376798629761
Output for 7.1.8
0.040786981582642 0.04033088684082
Output for 7.1.7
0.04016900062561 0.040083885192871
Output for 7.1.6
0.041913986206055 0.040076971054077
Output for 7.1.5
0.039947986602783 0.040180921554565
Output for 7.1.4
0.039712905883789 0.040814876556396
Output for 7.1.3
0.042010068893433 0.038712978363037
Output for 7.1.2
0.04194712638855 0.039874076843262
Output for 7.1.1
0.041966199874878 0.042214870452881
Output for 7.1.0
0.042722940444946 0.040278911590576
Output for 7.0.33
0.042191982269287 0.040333986282349
Output for 7.0.32
0.052700042724609 0.053272008895874
Output for 7.0.31
0.040262937545776 0.039925098419189
Output for 7.0.30
0.043539047241211 0.04337215423584
Output for 7.0.29
0.042847871780396 0.03954005241394
Output for 7.0.28
0.043738842010498 0.039683103561401
Output for 7.0.27
0.053164005279541 0.043164014816284
Output for 7.0.26
0.043301105499268 0.039736032485962
Output for 7.0.25
0.042600154876709 0.039642810821533
Output for 7.0.24
0.041638135910034 0.040074825286865
Output for 7.0.23
0.053997993469238 0.042259931564331
Output for 7.0.22
0.043262004852295 0.040083885192871
Output for 7.0.21
0.039926052093506 0.039577007293701
Output for 7.0.20
0.043101787567139 0.040300130844116
Output for 7.0.19
0.040893077850342 0.039613962173462
Output for 7.0.18
0.04616904258728 0.041542053222656
Output for 7.0.17
0.040349006652832 0.039873123168945
Output for 7.0.16
0.046112775802612 0.046367883682251
Output for 7.0.15
0.039852142333984 0.04102897644043
Output for 7.0.14
0.04065203666687 0.053430795669556
Output for 7.0.13
0.042232036590576 0.039727926254272
Output for 7.0.12
0.042625904083252 0.043674945831299
Output for 7.0.11
0.042382955551147 0.039581060409546
Output for 7.0.10
0.042665004730225 0.039651870727539
Output for 7.0.9
0.041779041290283 0.039858818054199
Output for 7.0.8
0.039696931838989 0.039844036102295
Output for 7.0.7
0.043003082275391 0.038681983947754
Output for 7.0.6
0.041976928710938 0.049417972564697
Output for 7.0.5
0.047603845596313 0.038485050201416
Output for 7.0.4
0.045812129974365 0.0417799949646
Output for 7.0.3
0.052403926849365 0.052428007125854
Output for 7.0.2
0.051290988922119 0.049458026885986
Output for 7.0.1
0.051949024200439 0.053073167800903
Output for 7.0.0
0.046625852584839 0.050780057907104
Output for 5.6.40
0.14605021476746 0.06482982635498
Output for 5.6.39
0.14352297782898 0.065150022506714
Output for 5.6.38
0.18120002746582 0.064239025115967
Output for 5.6.37
0.16039085388184 0.070808887481689
Output for 5.6.36
0.17535281181335 0.065140008926392
Output for 5.6.35
0.15891599655151 0.070504188537598
Output for 5.6.34
0.15655493736267 0.08306097984314
Output for 5.6.33
0.1530921459198 0.068138122558594
Output for 5.6.32
0.15410280227661 0.070205926895142
Output for 5.6.31
0.15489101409912 0.069566965103149
Output for 5.6.30
0.18048596382141 0.077430963516235
Output for 5.6.29
0.15956902503967 0.064911842346191
Output for 5.6.28
0.14571118354797 0.065871000289917
Output for 5.6.27
0.14172196388245 0.06325888633728
Output for 5.6.26
0.1428427696228 0.066727876663208
Output for 5.6.25
0.19107699394226 0.086174964904785
Output for 5.6.24
0.15563297271729 0.071630954742432
Output for 5.6.23
0.18465805053711 0.070062875747681
Output for 5.6.22
0.14275097846985 0.06305980682373
Output for 5.6.21
0.1676561832428 0.063442945480347
Output for 5.6.20
0.14717793464661 0.081676006317139
Output for 5.6.19
0.17822813987732 0.064887046813965
Output for 5.6.18
0.19685101509094 0.087209939956665
Output for 5.6.17
0.19989919662476 0.079731941223145
Output for 5.6.16
0.18087196350098 0.068001985549927
Output for 5.6.15
0.15198278427124 0.063103914260864
Output for 5.6.14
0.14060997962952 0.063294887542725
Output for 5.6.13
0.1460108757019 0.066498041152954
Output for 5.6.12
0.13755393028259 0.063103914260864
Output for 5.6.11
0.16122603416443 0.085340023040771
Output for 5.6.10
0.15447282791138 0.067569971084595
Output for 5.6.9
0.17131304740906 0.068974018096924
Output for 5.6.8
0.16251802444458 0.08169412612915
Output for 5.6.7
0.15377998352051 0.067773103713989
Output for 5.6.6
0.2108428478241 0.063585042953491
Output for 5.6.5
0.13759088516235 0.063477993011475
Output for 5.6.4
0.13985800743103 0.067875862121582
Output for 5.6.3
0.20392608642578 0.068626880645752
Output for 5.6.2
0.16430115699768 0.063534021377563
Output for 5.6.1
0.19649982452393 0.063434839248657
Output for 5.6.0
0.13982701301575 0.063436985015869
Output for 5.5.38
0.22355389595032 0.063599109649658
Output for 5.5.37
0.16866993904114 0.06742000579834
Output for 5.5.36
0.1615879535675 0.069421052932739
Output for 5.5.35
0.16428303718567 0.071540832519531
Output for 5.5.34
0.1685049533844 0.081753015518188
Output for 5.5.33
0.16962480545044 0.063560009002686
Output for 5.5.32
0.15104699134827 0.064198970794678
Output for 5.5.31
0.17639303207397 0.066368818283081
Output for 5.5.30
0.14884495735168 0.063097953796387
Output for 5.5.29
0.14881801605225 0.063576936721802
Output for 5.5.28
0.19527506828308 0.065597057342529
Output for 5.5.27
0.1512188911438 0.063177108764648
Output for 5.5.26
0.14355802536011 0.063750028610229
Output for 5.5.25
0.17597699165344 0.084353923797607
Output for 5.5.24
0.20343589782715 0.073883056640625
Output for 5.5.23
0.20112705230713 0.084345102310181
Output for 5.5.22
0.21657705307007 0.07207202911377
Output for 5.5.21
0.17410683631897 0.062793970108032
Output for 5.5.20
0.14483189582825 0.063436985015869
Output for 5.5.19
0.20243000984192 0.069668054580688
Output for 5.5.18
0.18390703201294 0.075847148895264
Output for 5.5.17
0.16421985626221 0.068207025527954
Output for 5.5.16
0.14547204971313 0.063223838806152
Output for 5.5.15
0.14300179481506 0.063708066940308
Output for 5.5.14
0.14309501647949 0.0639328956604
Output for 5.5.13
0.16158008575439 0.069472074508667
Output for 5.5.12
0.145015001297 0.063222885131836
Output for 5.5.11
0.17206716537476 0.065256118774414
Output for 5.5.10
0.19709086418152 0.063283920288086
Output for 5.5.9
0.15941095352173 0.084153890609741
Output for 5.5.8
0.18575382232666 0.072494983673096
Output for 5.5.7
0.15476202964783 0.068520069122314
Output for 5.5.6
0.14260983467102 0.062549829483032
Output for 5.5.5
0.15073800086975 0.063802003860474
Output for 5.5.4
0.16900396347046 0.073686838150024
Output for 5.5.3
0.15335297584534 0.063620090484619
Output for 5.5.2
0.15148305892944 0.065072059631348
Output for 5.5.1
0.14781093597412 0.063675880432129
Output for 5.5.0
0.14798903465271 0.069942951202393
Output for 5.4.45
0.16690397262573 0.069010972976685
Output for 5.4.44
0.16584801673889 0.066795110702515
Output for 5.4.43
0.2059690952301 0.077967882156372
Output for 5.4.42
0.15374898910522 0.070373058319092
Output for 5.4.41
0.19679808616638 0.084695100784302
Output for 5.4.40
0.20334601402283 0.064030885696411
Output for 5.4.39
0.19259691238403 0.083976030349731
Output for 5.4.38
0.14999079704285 0.068515062332153
Output for 5.4.37
0.17238783836365 0.076645135879517
Output for 5.4.36
0.15224409103394 0.063424825668335
Output for 5.4.35
0.16688394546509 0.07173490524292
Output for 5.4.34
0.1571729183197 0.075294017791748
Output for 5.4.33
0.15136790275574 0.063170909881592
Output for 5.4.32
0.1677930355072 0.070872068405151
Output for 5.4.31
0.21633982658386 0.087142944335938
Output for 5.4.30
0.22936797142029 0.07149600982666
Output for 5.4.29
0.18273687362671 0.063139915466309
Output for 5.4.28
0.19245100021362 0.083709001541138
Output for 5.4.27
0.15151715278625 0.063002109527588
Output for 5.4.26
0.16442680358887 0.068683862686157
Output for 5.4.25
0.15076279640198 0.081346035003662
Output for 5.4.24
0.22650408744812 0.085421800613403
Output for 5.4.23
0.22906708717346 0.06228494644165
Output for 5.4.22
0.16684007644653 0.068567037582397
Output for 5.4.21
0.15233016014099 0.081470966339111
Output for 5.4.20
0.15252804756165 0.062524080276489
Output for 5.4.19
0.15432786941528 0.063659906387329
Output for 5.4.18
0.16833305358887 0.069024085998535
Output for 5.4.17
0.14996790885925 0.063767910003662
Output for 5.4.16
0.1584939956665 0.068648099899292
Output for 5.4.15
0.15559101104736 0.063579082489014
Output for 5.4.14
0.22473907470703 0.062978982925415
Output for 5.4.13
0.18753385543823 0.076924085617065
Output for 5.4.12
0.19108104705811 0.069774150848389
Output for 5.4.11
0.16323184967041 0.064177989959717
Output for 5.4.10
0.15720391273499 0.075597047805786
Output for 5.4.9
0.18289303779602 0.075093984603882
Output for 5.4.8
0.16776895523071 0.063351154327393
Output for 5.4.7
0.16899919509888 0.064072132110596
Output for 5.4.6
0.15691304206848 0.063350915908813
Output for 5.4.5
0.15808320045471 0.065914154052734
Output for 5.4.4
0.16313815116882 0.063751935958862
Output for 5.4.3
0.1906430721283 0.070151090621948
Output for 5.4.2
0.19548010826111 0.06303596496582
Output for 5.4.1
0.15156006813049 0.063633918762207
Output for 5.4.0
0.19917106628418 0.078439950942993
Output for 5.3.29
0.18228316307068 0.071658849716187
Output for 5.3.28
0.1955041885376 0.069704055786133
Output for 5.3.27
0.18535804748535 0.076714992523193
Output for 5.3.26
0.2248260974884 0.090809106826782
Output for 5.3.25
0.20160102844238 0.075857162475586
Output for 5.3.24
0.2141010761261 0.067714929580688
Output for 5.3.23
0.22471404075623 0.069679021835327
Output for 5.3.22
0.21745109558105 0.067430019378662
Output for 5.3.21
0.19807004928589 0.070595979690552
Output for 5.3.20
0.20498299598694 0.07734489440918
Output for 5.3.19
0.1837420463562 0.071521043777466
Output for 5.3.18
0.22547221183777 0.068481922149658
Output for 5.3.17
0.20610308647156 0.069677114486694
Output for 5.3.16
0.18342518806458 0.070429086685181
Output for 5.3.15
0.19389820098877 0.073758840560913
Output for 5.3.14
0.21165704727173 0.085034132003784
Output for 5.3.13
0.23563098907471 0.080536127090454
Output for 5.3.12
0.18467617034912 0.090910911560059
Output for 5.3.11
0.20757913589478 0.075217962265015
Output for 5.3.10
0.18463516235352 0.069372177124023
Output for 5.3.9
0.21735215187073 0.072094917297363
Output for 5.3.8
0.20159912109375 0.073557138442993
Output for 5.3.7
0.18802499771118 0.06869912147522
Output for 5.3.6
0.21322703361511 0.076269149780273
Output for 5.3.5
0.22410917282104 0.071058034896851
Output for 5.3.4
0.22369813919067 0.073718070983887
Output for 5.3.3
0.23805904388428 0.070642948150635
Output for 5.3.2
0.1845600605011 0.070209980010986
Output for 5.3.1
0.22560501098633 0.069109916687012
Output for 5.3.0
0.20085716247559 0.072802782058716
Output for 5.2.17
0.12513184547424 0.035578012466431
Output for 5.2.16
0.14042496681213 0.038022994995117
Output for 5.2.15
0.12744307518005 0.036696910858154
Output for 5.2.14
0.11775803565979 0.034815073013306
Output for 5.2.13
0.12092399597168 0.035270929336548
Output for 5.2.12
0.1241569519043 0.035707950592041
Output for 5.2.11
0.10808992385864 0.033842802047729
Output for 5.2.10
0.12799906730652 0.034197092056274
Output for 5.2.9
0.13123917579651 0.041529893875122
Output for 5.2.8
0.13463187217712 0.039048910140991
Output for 5.2.7
0.12900805473328 0.036566019058228
Output for 5.2.6
0.12666296958923 0.036885976791382
Output for 5.2.5
0.10030102729797 0.036093950271606
Output for 5.2.4
0.13972091674805 0.039137840270996
Output for 5.2.3
0.13379693031311 0.036478996276855
Output for 5.2.2
0.16339588165283 0.037235021591187
Output for 5.2.1
0.13714909553528 0.03790807723999
Output for 5.2.0
0.11397409439087 0.03554892539978
Output for 5.1.6
0.12193393707275 0.03567910194397
Output for 5.1.5
0.084275960922241 0.034708976745605
Output for 5.1.4
0.10619807243347 0.042131185531616
Output for 5.1.3
0.071536064147949 0.02901291847229
Output for 5.1.2
0.084810018539429 0.052349805831909
Output for 5.1.1
0.086568117141724 0.051133155822754
Output for 5.1.0
0.073700904846191 0.043997049331665
Output for 5.0.5
0.18549394607544 0.12131094932556
Output for 5.0.4
0.18643403053284 0.11916494369507
Output for 5.0.3
0.13675618171692 0.093278884887695
Output for 5.0.2
0.16601300239563 0.10585403442383
Output for 5.0.1
0.14038300514221 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.091902017593384 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 5.0.0
0.16868209838867 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.1122579574585 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.4.9
0.22317 0.111322
Output for 4.4.8
0.209453 0.118174
Output for 4.4.7
0.224813 0.115597
Output for 4.4.6
0.194914 0.112702
Output for 4.4.5
0.190835 0.113155
Output for 4.4.4
0.19122 0.112721
Output for 4.4.3
0.162572 0.105761
Output for 4.4.2
0.164872 0.11542
Output for 4.4.1
0.171298 0.111773
Output for 4.4.0
0.160311 0.096813
Output for 4.3.11
0.158653 0.102824
Output for 4.3.10
0.136821 0.094218
Output for 4.3.9
0.16554 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.108889 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.8
0.170388 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.095071 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.7
0.184068 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.111988 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.6
0.202706 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.114878 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.5
0.214782 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.115497 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.4
0.211422 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.108723 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.3
0.191457 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.109966 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.2
0.214817 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.113034 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.1
0.235351 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.10853 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
Output for 4.3.0
0.203885 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 11 PHP_EOL0.108677 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MGubW on line 20 PHP_EOL
preferences:
274.01 ms | 401 KiB | 325 Q