3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace test; $start = microtime(true); for($i = 0; $i < 100000; ++$i){ strlen(null . null . null . null . null . null . null . null . null . null . null . null); } echo microtime(true) - $start, PHP_EOL;
Output for 8.0.11
0.0014500617980957
Output for 8.0.10
0.0014240741729736
Output for 8.0.9
0.00146484375
Output for 8.0.8
0.0020620822906494
Output for 8.0.7
0.0014021396636963
Output for 8.0.6
0.0013918876647949
Output for 8.0.5
0.0014209747314453
Output for 8.0.3
0.0018610954284668
Output for 8.0.2
0.0018110275268555
Output for 8.0.1
0.0014200210571289
Output for 8.0.0
0.0021300315856934
Output for 7.4.24
0.0015380382537842
Output for 7.4.23
0.0016448497772217
Output for 7.4.22
0.0042130947113037
Output for 7.4.21
0.00406813621521
Output for 7.4.20
0.0014748573303223
Output for 7.4.16
0.0020260810852051
Output for 7.4.15
0.0021839141845703
Output for 7.4.14
0.0020108222961426
Output for 7.4.13
0.0018401145935059
Output for 7.4.12
0.0019359588623047
Output for 7.4.11
0.003525972366333
Output for 7.4.10
0.0021190643310547
Output for 7.4.9
0.001986026763916
Output for 7.4.8
0.0023629665374756
Output for 7.4.7
0.0026588439941406
Output for 7.4.6
0.0019040107727051
Output for 7.4.5
0.0021970272064209
Output for 7.4.4
0.0019428730010986
Output for 7.4.3
0.0018630027770996
Output for 7.4.0
0.0016858577728271
Output for 7.3.30
0.0014960765838623
Output for 7.3.29
0.0023589134216309
Output for 7.3.28
0.0037441253662109
Output for 7.3.27
0.0024609565734863
Output for 7.3.26
0.0021238327026367
Output for 7.3.25
0.0042331218719482
Output for 7.3.24
0.0038619041442871
Output for 7.3.23
0.0069320201873779
Output for 7.3.21
0.0022149085998535
Output for 7.3.20
0.0028738975524902
Output for 7.3.19
0.0022530555725098
Output for 7.3.18
0.0022001266479492
Output for 7.3.17
0.0033829212188721
Output for 7.3.16
0.0021460056304932
Output for 7.3.12
0.0027251243591309
Output for 7.3.11
0.0024838447570801
Output for 7.3.10
0.0017118453979492
Output for 7.3.9
0.0023891925811768
Output for 7.3.8
0.0019609928131104
Output for 7.3.7
0.0019299983978271
Output for 7.3.6
0.00164794921875
Output for 7.3.5
0.0031888484954834
Output for 7.3.4
0.0016419887542725
Output for 7.3.3
0.0025949478149414
Output for 7.3.2
0.0016510486602783
Output for 7.3.1
0.0016498565673828
Output for 7.3.0
0.0031659603118896
Output for 7.2.33
0.0025360584259033
Output for 7.2.32
0.0024590492248535
Output for 7.2.31
0.0028209686279297
Output for 7.2.30
0.0023198127746582
Output for 7.2.29
0.0047450065612793
Output for 7.2.25
0.0035350322723389
Output for 7.2.24
0.0029251575469971
Output for 7.2.23
0.002216100692749
Output for 7.2.22
0.0017480850219727
Output for 7.2.21
0.0017349720001221
Output for 7.2.20
0.0031390190124512
Output for 7.2.19
0.0021789073944092
Output for 7.2.18
0.001878023147583
Output for 7.2.17
0.0020391941070557
Output for 7.2.6
0.001568078994751
Output for 7.2.0
0.0029089450836182
Output for 7.1.33
0.0049839019775391
Output for 7.1.32
0.0048298835754395
Output for 7.1.31
0.0061569213867188
Output for 7.1.30
0.0056400299072266
Output for 7.1.29
0.0055191516876221
Output for 7.1.28
0.0048019886016846
Output for 7.1.27
0.0071649551391602
Output for 7.1.26
0.0051059722900391
Output for 7.1.20
0.0017738342285156
Output for 7.1.10
0.0035600662231445
Output for 7.1.7
0.0017149448394775
Output for 7.1.6
0.0044140815734863
Output for 7.1.5
0.004302978515625
Output for 7.1.0
0.003183126449585
Output for 7.0.20
0.0023620128631592
Output for 7.0.14
0.0031900405883789
Output for 7.0.6
0.0032200813293457
Output for 7.0.5
0.0027148723602295
Output for 7.0.4
0.0021748542785645
Output for 7.0.3
0.0021929740905762
Output for 7.0.2
0.0023810863494873
Output for 7.0.1
0.0025579929351807
Output for 7.0.0
0.0027799606323242
Output for 5.6.28
0.07805609703064
Output for 5.6.21
0.047657012939453
Output for 5.6.20
0.060308933258057
Output for 5.6.19
0.045005083084106
Output for 5.6.18
0.046341180801392
Output for 5.6.17
0.049407005310059
Output for 5.6.16
0.044764041900635
Output for 5.6.15
0.059551954269409
Output for 5.6.14
0.047068119049072
Output for 5.6.13
0.063530206680298
Output for 5.6.12
0.057191133499146
Output for 5.6.11
0.048171997070312
Output for 5.6.10
0.046125173568726
Output for 5.6.9
0.06313681602478
Output for 5.6.8
0.046184062957764
Output for 5.5.35
0.075998067855835
Output for 5.5.34
0.08191704750061
Output for 5.5.33
0.061975955963135
Output for 5.5.32
0.080627918243408
Output for 5.5.31
0.058794975280762
Output for 5.5.30
0.072535991668701
Output for 5.5.29
0.083095073699951
Output for 5.5.28
0.066236972808838
Output for 5.5.27
0.087072849273682
Output for 5.5.26
0.059258937835693
Output for 5.5.25
0.081722974777222
Output for 5.5.24
0.075628995895386
Output for 5.4.45
0.097983837127686
Output for 5.4.44
0.052134990692139
Output for 5.4.43
0.098026990890503
Output for 5.4.42
0.13367390632629
Output for 5.4.41
0.099073171615601
Output for 5.4.40
0.092013835906982
Output for 5.4.39
0.099066972732544
Output for 5.4.38
0.10142302513123
Output for 5.4.37
0.097234964370728
Output for 5.4.36
0.12451195716858
Output for 5.4.35
0.1430139541626
Output for 5.4.34
0.10749006271362
Output for 5.4.32
0.080248117446899
Output for 5.4.31
0.070107936859131
Output for 5.4.30
0.074504137039185
Output for 5.4.29
0.071825981140137
Output for 5.4.28
0.08634090423584
Output for 5.4.27
0.071149110794067
Output for 5.4.26
0.074818849563599
Output for 5.4.25
0.073155879974365
Output for 5.4.24
0.077202081680298
Output for 5.4.23
0.087238073348999
Output for 5.4.22
0.07019305229187
Output for 5.4.21
0.068795919418335
Output for 5.4.20
0.087573051452637
Output for 5.4.19
0.075287103652954
Output for 5.4.18
0.074991941452026
Output for 5.4.17
0.071846961975098
Output for 5.4.16
0.07387900352478
Output for 5.4.15
0.069378137588501
Output for 5.4.14
0.069725036621094
Output for 5.4.13
0.073729038238525
Output for 5.4.12
0.082833051681519
Output for 5.4.11
0.079125165939331
Output for 5.4.10
0.091922998428345
Output for 5.4.9
0.078253984451294
Output for 5.4.8
0.082112789154053
Output for 5.4.7
0.079401969909668
Output for 5.4.6
0.090367078781128
Output for 5.4.5
0.084429025650024
Output for 5.4.4
0.079442977905273
Output for 5.4.3
0.078720092773438
Output for 5.4.2
0.081557035446167
Output for 5.4.1
0.076617956161499
Output for 5.4.0
0.085759162902832
Output for 5.3.29
0.16479396820068
Output for 5.3.28
0.15275812149048
Output for 5.3.27
0.17768788337708
Output for 5.3.26
0.15717697143555
Output for 5.3.25
0.16119599342346
Output for 5.3.24
0.15687394142151
Output for 5.3.23
0.15557599067688
Output for 5.3.22
0.1624219417572
Output for 5.3.21
0.16482400894165
Output for 5.3.20
0.17234802246094
Output for 5.3.19
0.15798401832581
Output for 5.3.18
0.16087698936462
Output for 5.3.17
0.18758296966553
Output for 5.3.16
0.20077300071716
Output for 5.3.15
0.17727422714233
Output for 5.3.14
0.28330588340759
Output for 5.3.13
0.25123000144958
Output for 5.3.12
0.21961808204651
Output for 5.3.11
0.21315884590149
Output for 5.3.10
0.18021702766418
Output for 5.3.9
0.16602301597595
Output for 5.3.8
0.18099188804626
Output for 5.3.7
0.18473696708679
Output for 5.3.6
0.17168807983398
Output for 5.3.5
0.16809415817261
Output for 5.3.4
0.17148804664612
Output for 5.3.3
0.16325497627258
Output for 5.3.2
0.18283009529114
Output for 5.3.1
0.16071891784668
Output for 5.3.0
0.16322183609009
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/Q9YVR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/Q9YVR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Q9YVR on line 3
Process exited with code 255.
preferences:
179.57 ms | 401 KiB | 257 Q