3v4l.org

run code in 300+ PHP versions simultaneously
<?php $iterations = 500000; $name = 'Tom'; $date = '13/09/2009'; $t1 = microtime(true); for ($i = 0; $i < $iterations; $i++) { $str = 'Hi ' . $name . ', you last logged in on ' . $date; } $t2 = microtime(true); echo 'concat: ' . ($t2-$t1); echo '<br />'; $t1 = microtime(true); for ($i = 0; $i < $iterations; $i++) { $str = sprintf('Hi %s, you last logged in on %s.', $name, $date); } $t2 = microtime(true); echo 'sprintf: ' . ($t2-$t1); echo '<br />';
Output for 7.2.0
concat: 0.034972190856934<br />sprintf: 0.05300498008728<br />
Output for 7.1.7
concat: 0.034081935882568<br />sprintf: 0.056135177612305<br />
Output for 7.1.6
concat: 0.068017959594727<br />sprintf: 0.066540956497192<br />
Output for 7.1.5
concat: 0.062782049179077<br />sprintf: 0.073781967163086<br />
Output for 7.1.0
concat: 0.057366132736206<br />sprintf: 0.080214977264404<br />
Output for 7.0.20
concat: 0.049973964691162<br />sprintf: 0.080113887786865<br />
Output for 7.0.14
concat: 0.062442779541016<br />sprintf: -0.049690008163452<br />
Output for 7.0.6
concat: 0.044110059738159<br />sprintf: 0.053907871246338<br />
Output for 7.0.5
concat: 0.037298917770386<br />sprintf: 0.053679943084717<br />
Output for 7.0.4
concat: 0.042994976043701<br />sprintf: 0.058633089065552<br />
Output for 7.0.3
concat: 0.035449981689453<br />sprintf: 0.056636095046997<br />
Output for 7.0.2
concat: 0.035271167755127<br />sprintf: 0.054125070571899<br />
Output for 7.0.1
concat: 0.040030002593994<br />sprintf: 0.058327913284302<br />
Output for 7.0.0
concat: 0.044639110565186<br />sprintf: 0.059278011322021<br />
Output for 5.6.28
concat: 0.095355987548828<br />sprintf: 0.12940192222595<br />
Output for 5.6.21
concat: 0.064144849777222<br />sprintf: 0.1117889881134<br />
Output for 5.6.20
concat: 0.044680118560791<br />sprintf: 0.1016960144043<br />
Output for 5.6.19
concat: 0.047850131988525<br />sprintf: 0.11492705345154<br />
Output for 5.6.18
concat: 0.056401968002319<br />sprintf: 0.10561585426331<br />
Output for 5.6.17
concat: 0.046205043792725<br />sprintf: 0.10915899276733<br />
Output for 5.6.16
concat: 0.061300039291382<br />sprintf: 0.15058588981628<br />
Output for 5.6.15
concat: 0.063106060028076<br />sprintf: 0.11778998374939<br />
Output for 5.6.14
concat: 0.048295974731445<br />sprintf: 0.11138606071472<br />
Output for 5.6.13
concat: 0.062731981277466<br />sprintf: 0.12046909332275<br />
Output for 5.6.12
concat: 0.057585954666138<br />sprintf: 0.11153101921082<br />
Output for 5.6.11
concat: 0.059436798095703<br />sprintf: 0.11035799980164<br />
Output for 5.6.10
concat: 0.065481185913086<br />sprintf: 0.12250399589539<br />
Output for 5.6.9
concat: 0.0586838722229<br />sprintf: 0.12331318855286<br />
Output for 5.6.8
concat: 0.054898977279663<br />sprintf: 0.11309099197388<br />
Output for 5.5.35
concat: 0.066878795623779<br />sprintf: 0.1166090965271<br />
Output for 5.5.34
concat: 0.048640966415405<br />sprintf: 0.11704897880554<br />
Output for 5.5.33
concat: 0.07409405708313<br />sprintf: 0.12041902542114<br />
Output for 5.5.32
concat: 0.065194129943848<br />sprintf: 0.11390113830566<br />
Output for 5.5.31
concat: 0.050944089889526<br />sprintf: 0.10751700401306<br />
Output for 5.5.30
concat: 0.064903974533081<br />sprintf: 0.12256598472595<br />
Output for 5.5.29
concat: 0.066813945770264<br />sprintf: 0.12867379188538<br />
Output for 5.5.28
concat: 0.049779891967773<br />sprintf: 0.11321997642517<br />
Output for 5.5.27
concat: 0.046505928039551<br />sprintf: 0.11196208000183<br />
Output for 5.5.26
concat: 0.051323890686035<br />sprintf: 0.11265993118286<br />
Output for 5.5.25
concat: 0.065145969390869<br />sprintf: 0.11570715904236<br />
Output for 5.5.24
concat: 0.060096025466919<br />sprintf: 0.11816620826721<br />
Output for 5.4.45
concat: 0.073150873184204<br />sprintf: 0.29234480857849<br />
Output for 5.4.44
concat: 0.13113307952881<br />sprintf: 0.22711300849915<br />
Output for 5.4.43
concat: 0.083073139190674<br />sprintf: 0.33989000320435<br />
Output for 5.4.42
concat: 0.1194281578064<br />sprintf: 0.18233919143677<br />
Output for 5.4.41
concat: 0.091623067855835<br />sprintf: 0.1421480178833<br />
Output for 5.4.40
concat: 0.077867984771729<br />sprintf: 0.18528985977173<br />
Output for 5.4.39
concat: 0.059506893157959<br />sprintf: 0.18439292907715<br />
Output for 5.4.38
concat: 0.0835280418396<br />sprintf: 0.20708799362183<br />
Output for 5.4.37
concat: 0.080085039138794<br />sprintf: 0.19473004341125<br />
Output for 5.4.36
concat: 0.079499959945679<br />sprintf: 0.30608797073364<br />
Output for 5.4.35
concat: 0.080419063568115<br />sprintf: 0.1953980922699<br />
Output for 5.4.34
concat: 0.085325002670288<br />sprintf: 0.31304812431335<br />
Output for 5.4.32
concat: 0.052045822143555<br />sprintf: 0.13555407524109<br />
Output for 5.4.31
concat: 0.050365209579468<br />sprintf: 0.13844108581543<br />
Output for 5.4.30
concat: 0.050268888473511<br />sprintf: 0.16483211517334<br />
Output for 5.4.29
concat: 0.052412033081055<br />sprintf: 0.13615012168884<br />
Output for 5.4.28
concat: 0.052954912185669<br />sprintf: 0.13698816299438<br />
Output for 5.4.27
concat: 0.050211906433105<br />sprintf: 0.14585590362549<br />
Output for 5.4.26
concat: 0.051568984985352<br />sprintf: 0.14254903793335<br />
Output for 5.4.25
concat: 0.060403108596802<br />sprintf: 0.1485641002655<br />
Output for 5.4.24
concat: 0.051646947860718<br />sprintf: 0.1506621837616<br />
Output for 5.4.23
concat: 0.06006383895874<br />sprintf: 0.14133501052856<br />
Output for 5.4.22
concat: 0.063977956771851<br />sprintf: 0.1750340461731<br />
Output for 5.4.21
concat: 0.049794912338257<br />sprintf: 0.13890886306763<br />
Output for 5.4.20
concat: 0.053949117660522<br />sprintf: 0.13567495346069<br />
Output for 5.4.19
concat: 0.078036069869995<br />sprintf: 0.21048378944397<br />
Output for 5.4.18
concat: 0.060972929000854<br />sprintf: 0.15396094322205<br />
Output for 5.4.17
concat: 0.052345991134644<br />sprintf: 0.1554548740387<br />
Output for 5.4.16
concat: 0.071339130401611<br />sprintf: 0.14574003219604<br />
Output for 5.4.15
concat: 0.050765991210938<br />sprintf: 0.14382696151733<br />
Output for 5.4.14
concat: 0.051179885864258<br />sprintf: 0.13983798027039<br />
Output for 5.4.13
concat: 0.059969902038574<br />sprintf: 0.15013194084167<br />
Output for 5.4.12
concat: 0.056252956390381<br />sprintf: 0.15362405776978<br />
Output for 5.4.11
concat: 0.05547308921814<br />sprintf: 0.14888715744019<br />
Output for 5.4.10
concat: 0.061815977096558<br />sprintf: 0.15094304084778<br />
Output for 5.4.9
concat: 0.063486099243164<br />sprintf: 0.14769911766052<br />
Output for 5.4.8
concat: 0.055511951446533<br />sprintf: 0.14740800857544<br />
Output for 5.4.7
concat: 0.054478168487549<br />sprintf: 0.16938900947571<br />
Output for 5.4.6
concat: 0.063327789306641<br />sprintf: 0.15847516059875<br />
Output for 5.4.5
concat: 0.054721117019653<br />sprintf: 0.15713500976562<br />
Output for 5.4.4
concat: 0.055692195892334<br />sprintf: 0.1430549621582<br />
Output for 5.4.3
concat: 0.073613882064819<br />sprintf: 0.14856386184692<br />
Output for 5.4.2
concat: 0.058329820632935<br />sprintf: 0.14826107025146<br />
Output for 5.4.1
concat: 0.066695928573608<br />sprintf: 0.14286088943481<br />
Output for 5.4.0
concat: 0.068115949630737<br />sprintf: 0.16334104537964<br />
Output for 5.3.29
concat: 0.057353019714355<br />sprintf: 0.16896510124207<br />
Output for 5.3.28
concat: 0.075568914413452<br />sprintf: 0.21089386940002<br />
Output for 5.3.27
concat: 0.063266038894653<br />sprintf: 0.16238498687744<br />
Output for 5.3.26
concat: 0.056527137756348<br />sprintf: 0.16816592216492<br />
Output for 5.3.25
concat: 0.059988975524902<br />sprintf: 0.16724300384521<br />
Output for 5.3.24
concat: 0.055525064468384<br />sprintf: 0.1725389957428<br />
Output for 5.3.23
concat: 0.055577039718628<br />sprintf: 0.16396903991699<br />
Output for 5.3.22
concat: 0.060588121414185<br />sprintf: 0.19263005256653<br />
Output for 5.3.21
concat: 0.058852910995483<br />sprintf: 0.192302942276<br />
Output for 5.3.20
concat: 0.059602022171021<br />sprintf: 0.17919397354126<br />
Output for 5.3.19
concat: 0.067821025848389<br />sprintf: 0.18284392356873<br />
Output for 5.3.18
concat: 0.056296825408936<br />sprintf: 0.17530798912048<br />
Output for 5.3.17
concat: 0.053744077682495<br />sprintf: 0.18006587028503<br />
Output for 5.3.16
concat: 0.05488109588623<br />sprintf: 0.19348382949829<br />
Output for 5.3.15
concat: 0.055835008621216<br />sprintf: 0.21053600311279<br />
Output for 5.3.14
concat: 0.059961080551147<br />sprintf: 0.20554208755493<br />
Output for 5.3.13
concat: 0.055011987686157<br />sprintf: 0.2421190738678<br />
Output for 5.3.12
concat: 0.055191993713379<br />sprintf: 0.20625710487366<br />
Output for 5.3.11
concat: 0.053843975067139<br />sprintf: 0.17980599403381<br />
Output for 5.3.10
concat: 0.055353879928589<br />sprintf: 0.17251396179199<br />
Output for 5.3.9
concat: 0.056885004043579<br />sprintf: 0.172443151474<br />
Output for 5.3.8
concat: 0.060574054718018<br />sprintf: 0.17280602455139<br />
Output for 5.3.7
concat: 0.093120813369751<br />sprintf: 0.19032406806946<br />
Output for 5.3.6
concat: 0.056955814361572<br />sprintf: 0.17671489715576<br />
Output for 5.3.5
concat: 0.11260509490967<br />sprintf: 0.18660998344421<br />
Output for 5.3.4
concat: 0.058358907699585<br />sprintf: 0.19934892654419<br />
Output for 5.3.3
concat: 0.060244798660278<br />sprintf: 0.17910099029541<br />
Output for 5.3.2
concat: 0.10339403152466<br />sprintf: 0.18476986885071<br />
Output for 5.3.1
concat: 0.056437015533447<br />sprintf: 0.16537308692932<br />
Output for 5.3.0
concat: 0.075721025466919<br />sprintf: 0.23693990707397<br />
Output for 5.2.17
concat: 0.078980922698975<br />sprintf: 0.19027590751648<br />
Output for 5.2.16
concat: 0.066348075866699<br />sprintf: 0.20127320289612<br />
Output for 5.2.15
concat: 0.0656578540802<br />sprintf: 0.20108389854431<br />
Output for 5.2.14
concat: 0.077990055084229<br />sprintf: 0.21819686889648<br />
Output for 5.2.13
concat: 0.067795991897583<br />sprintf: 0.19122099876404<br />
Output for 5.2.12
concat: 0.081760168075562<br />sprintf: 0.19269108772278<br />
Output for 5.2.11
concat: 0.064162969589233<br />sprintf: 0.23416304588318<br />
Output for 5.2.10
concat: 0.081436157226562<br />sprintf: 0.1954128742218<br />
Output for 5.2.9
concat: 0.064675807952881<br />sprintf: 0.19089889526367<br />
Output for 5.2.8
concat: 0.10483908653259<br />sprintf: 0.28209400177002<br />
Output for 5.2.7
concat: 0.077508926391602<br />sprintf: 0.1994640827179<br />
Output for 5.2.6
concat: 0.072577953338623<br />sprintf: 0.19694590568542<br />
Output for 5.2.5
concat: 0.069010019302368<br />sprintf: 0.18892407417297<br />
Output for 5.2.4
concat: 0.070029973983765<br />sprintf: 0.19381999969482<br />
Output for 5.2.3
concat: 0.067223787307739<br />sprintf: 0.19300103187561<br />
Output for 5.2.2
concat: 0.072506904602051<br />sprintf: 0.22876596450806<br />
Output for 5.2.1
concat: 0.076543092727661<br />sprintf: 0.17851114273071<br />
Output for 5.2.0
concat: 0.074289083480835<br />sprintf: 0.23176693916321<br />
Output for 5.1.6
concat: 0.074207067489624<br />sprintf: 0.2077579498291<br />
Output for 5.1.5
concat: 0.074118137359619<br />sprintf: 0.21737003326416<br />
Output for 5.1.4
concat: 0.077713012695312<br />sprintf: 0.22070097923279<br />
Output for 5.1.3
concat: 0.098886966705322<br />sprintf: 0.21196818351746<br />
Output for 5.1.2
concat: 0.12919902801514<br />sprintf: 0.24176096916199<br />
Output for 5.1.1
concat: 0.07500696182251<br />sprintf: 0.23681902885437<br />
Output for 5.1.0
concat: 0.082286834716797<br />sprintf: 0.21713018417358<br />
Output for 5.0.5
concat: 0.19656300544739<br />sprintf: 0.36209607124329<br />
Output for 5.0.4
concat: 0.20249891281128<br />sprintf: 0.38652896881104<br />
Output for 5.0.3
concat: 0.2169201374054<br />sprintf: 0.36698389053345<br />
Output for 5.0.2
concat: 0.19392108917236<br />sprintf: 0.35956406593323<br />
Output for 5.0.1
concat: 0.23297691345215<br />sprintf: 0.38412094116211<br />
Output for 5.0.0
concat: 0.19404292106628<br />sprintf: 0.34126782417297<br />
Output for 4.4.9
concat: 0.248883<br />sprintf: -0.549565<br />
Output for 4.4.8
concat: 0.21891<br />sprintf: 0.339191<br />
Output for 4.4.7
concat: -0.799073<br />sprintf: 0.338312<br />
Output for 4.4.6
concat: 0.221178<br />sprintf: -0.63746<br />
Output for 4.4.5
concat: 0.19819<br />sprintf: 0.335269<br />
Output for 4.4.4
concat: 0.203493<br />sprintf: -0.647395<br />
Output for 4.4.3
concat: 0.211891<br />sprintf: 0.361935<br />
Output for 4.4.2
concat: -0.743498<br />sprintf: 0.343871<br />
Output for 4.4.1
concat: 0.200909<br />sprintf: -0.667155<br />
Output for 4.4.0
concat: 0.213331<br />sprintf: 0.358597<br />
Output for 4.3.11
concat: 0.207385<br />sprintf: -0.656436<br />
Output for 4.3.10
concat: 0.250961<br />sprintf: 0.350174<br />
Output for 4.3.9
concat: -0.7952<br />sprintf: 0.372836<br />
Output for 4.3.8
concat: 0.21691<br />sprintf: -0.563243<br />
Output for 4.3.7
concat: 0.266897<br />sprintf: 0.358887<br />
Output for 4.3.6
concat: 0.214657<br />sprintf: -0.636407<br />
Output for 4.3.5
concat: 0.215212<br />sprintf: 0.34825<br />
Output for 4.3.4
concat: -0.769655<br />sprintf: 0.35362<br />
Output for 4.3.3
concat: 0.2166<br />sprintf: -0.648793<br />
Output for 4.3.2
concat: 0.253864<br />sprintf: 0.309015<br />
Output for 4.3.1
concat: 0.205519<br />sprintf: -0.688214<br />
Output for 4.3.0
concat: 0.268442<br />sprintf: 0.337482<br />
preferences:
187.28 ms | 401 KiB | 174 Q