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<?php $iterations = 500000; $name = 'Tom'; $date = '13/09/2009'; $t1 = microtime(true); for ($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 "\n"; $t1 = microtime(true); for ($i = 0; $i < $iterations; $i++) { $str = 'Hi ' . $name . ', you last logged in on ' . $date; } $t2 = microtime(true); echo 'concat: ' . ($t2-$t1); echo "\n"; $t1 = microtime(true); for ($i = 0; $i < $iterations; $i++) { $str = "Hi $name, you last logged in on $date"; } $t2 = microtime(true); echo 'expansion: ' . ($t2-$t1); echo "\n";
Output for 7.4.0
sprintf: 0.12901782989502 concat: 0.079652786254883 expansion: 0.057023048400879
Output for 7.3.12
sprintf: 0.10061311721802 concat: 0.062031030654907 expansion: 0.040776968002319
Output for 7.3.11
sprintf: 0.12765502929688 concat: 0.085649967193604 expansion: 0.056962013244629
Output for 7.3.10
sprintf: 0.11782503128052 concat: 0.085428953170776 expansion: 0.053478002548218
Output for 7.3.9
sprintf: 0.10412311553955 concat: 0.054160833358765 expansion: 0.039475917816162
Output for 7.3.8
sprintf: 0.087402105331421 concat: 0.055785179138184 expansion: 0.040127992630005
Output for 7.3.7
sprintf: 0.097787141799927 concat: 0.059252023696899 expansion: 0.04175591468811
Output for 7.3.6
sprintf: 0.10228991508484 concat: 0.054831027984619 expansion: 0.045528888702393
Output for 7.3.5
sprintf: 0.089679956436157 concat: 0.056452035903931 expansion: 0.039714097976685
Output for 7.3.4
sprintf: 0.097613096237183 concat: 0.061472177505493 expansion: 0.041661024093628
Output for 7.3.3
sprintf: 0.093693017959595 concat: 0.05786395072937 expansion: 0.040757894515991
Output for 7.3.2
sprintf: 0.12036490440369 concat: 0.057958841323853 expansion: 0.040938138961792
Output for 7.3.1
sprintf: 0.09955096244812 concat: 0.06269383430481 expansion: 0.044303894042969
Output for 7.3.0
sprintf: 0.09092116355896 concat: 0.057544946670532 expansion: 0.040686130523682
Output for 7.2.25
sprintf: 0.13069605827332 concat: 0.098034858703613 expansion: 0.053706884384155
Output for 7.2.24
sprintf: 0.1315541267395 concat: 0.092176914215088 expansion: 0.05275297164917
Output for 7.2.23
sprintf: 0.12161087989807 concat: 0.063539028167725 expansion: 0.046270847320557
Output for 7.2.22
sprintf: 0.12503409385681 concat: 0.095571994781494 expansion: 0.051959991455078
Output for 7.2.21
sprintf: 0.098324060440063 concat: 0.059039115905762 expansion: 0.04061484336853
Output for 7.2.20
sprintf: 0.089635133743286 concat: 0.058480024337769 expansion: 0.04078197479248
Output for 7.2.19
sprintf: 0.091727018356323 concat: 0.064129114151001 expansion: 0.04619312286377
Output for 7.2.18
sprintf: 0.090266942977905 concat: 0.059136152267456 expansion: 0.042055130004883
Output for 7.2.17
sprintf: 0.12998509407043 concat: 0.088228940963745 expansion: 0.040940999984741
Output for 7.2.0
sprintf: 0.062179088592529 concat: 0.032978057861328 expansion: 0.040467023849487
Output for 7.1.33
sprintf: 0.15642786026001 concat: 0.086076021194458 expansion: 0.066154956817627
Output for 7.1.32
sprintf: 0.15711998939514 concat: 0.10078191757202 expansion: 0.065217018127441
Output for 7.1.31
sprintf: 0.14033699035645 concat: 0.12035202980042 expansion: 0.067049026489258
Output for 7.1.30
sprintf: 0.13460993766785 concat: 0.086400032043457 expansion: 0.067829847335815
Output for 7.1.29
sprintf: 0.15391111373901 concat: 0.1210720539093 expansion: 0.070499181747437
Output for 7.1.28
sprintf: 0.12073516845703 concat: 0.088610887527466 expansion: 0.066759824752808
Output for 7.1.27
sprintf: 0.14742517471313 concat: 0.10680389404297 expansion: 0.070788860321045
Output for 7.1.26
sprintf: 0.12526512145996 concat: 0.085508823394775 expansion: 0.064423799514771
Output for 7.1.7
sprintf: 0.059453010559082 concat: 0.037323951721191 expansion: 0.024137020111084
Output for 7.1.6
sprintf: 0.10200715065002 concat: 0.041826009750366 expansion: 0.027256011962891
Output for 7.1.5
sprintf: 0.09144401550293 concat: 0.042019128799438 expansion: 0.025923013687134
Output for 7.1.0
sprintf: 0.091378927230835 concat: 0.045264005661011 expansion: 0.026644945144653
Output for 7.0.20
sprintf: 0.059214115142822 concat: 0.038357019424438 expansion: 0.025444984436035
Output for 7.0.6
sprintf: 0.057210922241211 concat: 0.036742925643921 expansion: 0.022796154022217
Output for 7.0.5
sprintf: 0.054958820343018 concat: 0.03433895111084 expansion: 0.022694826126099
Output for 7.0.4
sprintf: 0.058799982070923 concat: 0.034069061279297 expansion: 0.025187969207764
Output for 7.0.3
sprintf: 0.056484937667847 concat: 0.034565925598145 expansion: 0.023864030838013
Output for 7.0.2
sprintf: 0.059201002120972 concat: 0.038455963134766 expansion: 0.026979923248291
Output for 7.0.1
sprintf: 0.062717914581299 concat: 0.034488916397095 expansion: 0.024467945098877
Output for 7.0.0
sprintf: 0.062911033630371 concat: 0.034836053848267 expansion: 0.022928953170776
Output for 5.6.28
sprintf: 0.10510301589966 concat: 0.051784038543701 expansion: 0.050029993057251
Output for 5.6.21
sprintf: 0.11665987968445 concat: 0.052973985671997 expansion: 0.046118974685669
Output for 5.6.20
sprintf: 0.11447095870972 concat: 0.046458005905151 expansion: 0.045864820480347
Output for 5.6.19
sprintf: 0.11326718330383 concat: 0.047516107559204 expansion: 0.04656720161438
Output for 5.6.18
sprintf: 0.11920809745789 concat: 0.046707153320312 expansion: 0.046765804290771
Output for 5.6.17
sprintf: 0.11111497879028 concat: 0.049238920211792 expansion: 0.048966884613037
Output for 5.6.16
sprintf: 0.1329779624939 concat: 0.050204992294312 expansion: 0.054625034332275
Output for 5.6.15
sprintf: 0.17694187164307 concat: 0.047688961029053 expansion: 0.048877000808716
Output for 5.6.14
sprintf: 0.13385701179504 concat: 0.04782509803772 expansion: 0.046381950378418
Output for 5.6.13
sprintf: 0.12406301498413 concat: 0.04714298248291 expansion: 0.049787998199463
Output for 5.6.12
sprintf: 0.11782097816467 concat: 0.048551797866821 expansion: 0.049414157867432
Output for 5.6.11
sprintf: 0.13892984390259 concat: 0.051539897918701 expansion: 0.045823097229004
Output for 5.6.10
sprintf: 0.12574601173401 concat: 0.046733140945435 expansion: 0.046633005142212
Output for 5.6.9
sprintf: 0.13766622543335 concat: 0.047462940216064 expansion: 0.048084020614624
Output for 5.6.8
sprintf: 0.12382006645203 concat: 0.043397903442383 expansion: 0.045930147171021
Output for 5.5.35
sprintf: 0.12877297401428 concat: 0.050217151641846 expansion: 0.054696083068848
Output for 5.5.34
sprintf: 0.14122700691223 concat: 0.046610116958618 expansion: 0.046711921691895
Output for 5.5.33
sprintf: 0.12255096435547 concat: 0.047487020492554 expansion: 0.047657012939453
Output for 5.5.32
sprintf: 0.11415505409241 concat: 0.047360181808472 expansion: 0.047805070877075
Output for 5.5.31
sprintf: 0.11030888557434 concat: 0.046252965927124 expansion: 0.047216892242432
Output for 5.5.30
sprintf: 0.15553188323975 concat: 0.047562122344971 expansion: 0.0470130443573
Output for 5.5.29
sprintf: 0.139573097229 concat: 0.047402858734131 expansion: 0.0470290184021
Output for 5.5.28
sprintf: 0.1103630065918 concat: 0.046305894851685 expansion: 0.046787977218628
Output for 5.5.27
sprintf: 0.11275506019592 concat: 0.049347877502441 expansion: 0.047683000564575
Output for 5.5.26
sprintf: 0.12046813964844 concat: 0.04853892326355 expansion: 0.048312902450562
Output for 5.5.25
sprintf: 0.12083911895752 concat: 0.047391891479492 expansion: 0.048314094543457
Output for 5.5.24
sprintf: 0.13287591934204 concat: 0.043599128723145 expansion: 0.046626091003418
Output for 5.4.45
sprintf: 0.14729905128479 concat: 0.040076971054077 expansion: 0.038172006607056
Output for 5.4.44
sprintf: 0.25699996948242 concat: 0.085284948348999 expansion: 0.097172975540161
Output for 5.4.43
sprintf: 0.26498699188232 concat: 0.072061061859131 expansion: 0.068342924118042
Output for 5.4.42
sprintf: 0.17878389358521 concat: 0.08384108543396 expansion: 0.078747987747192
Output for 5.4.41
sprintf: 0.18109393119812 concat: 0.069920063018799 expansion: 0.090126991271973
Output for 5.4.40
sprintf: 0.18532204627991 concat: 0.071080923080444 expansion: 0.079313039779663
Output for 5.4.39
sprintf: 0.19366097450256 concat: 0.070161104202271 expansion: 0.069268941879272
Output for 5.4.38
sprintf: 0.24069619178772 concat: 0.080214977264404 expansion: 0.070225954055786
Output for 5.4.37
sprintf: 0.2034740447998 concat: 0.074199914932251 expansion: 0.084980010986328
Output for 5.4.36
sprintf: 0.17951488494873 concat: 0.078318119049072 expansion: 0.074559926986694
Output for 5.4.35
sprintf: 0.18574118614197 concat: 0.073158979415894 expansion: 0.069805860519409
Output for 5.4.34
sprintf: 0.18133592605591 concat: 0.072901964187622 expansion: 0.080130100250244
Output for 5.4.32
sprintf: 0.19456696510315 concat: 0.071596145629883 expansion: 0.079864025115967
Output for 5.4.31
sprintf: 0.18586802482605 concat: 0.070245027542114 expansion: 0.068796157836914
Output for 5.4.30
sprintf: 0.18865489959717 concat: 0.069470167160034 expansion: 0.071400165557861
Output for 5.4.29
sprintf: 0.17751717567444 concat: 0.067867994308472 expansion: 0.073803901672363
Output for 5.4.28
sprintf: 0.19819116592407 concat: 0.074942111968994 expansion: 0.073395013809204
Output for 5.4.27
sprintf: 0.18058490753174 concat: 0.068662166595459 expansion: 0.071416854858398
Output for 5.4.26
sprintf: 0.19663906097412 concat: 0.086905002593994 expansion: 0.069056034088135
Output for 5.4.25
sprintf: 0.20826697349548 concat: 0.069518089294434 expansion: 0.069556951522827
Output for 5.4.24
sprintf: 0.19870185852051 concat: 0.077698945999146 expansion: 0.066627025604248
Output for 5.4.23
sprintf: 0.19130396842957 concat: 0.07759690284729 expansion: 0.072794914245605
Output for 5.4.22
sprintf: 0.19101595878601 concat: 0.071840047836304 expansion: 0.072153091430664
Output for 5.4.21
sprintf: 0.20276308059692 concat: 0.069594144821167 expansion: 0.080826997756958
Output for 5.4.20
sprintf: 0.19745182991028 concat: 0.075654983520508 expansion: 0.068865060806274
Output for 5.4.19
sprintf: 0.18965101242065 concat: 0.072483062744141 expansion: 0.070860147476196
Output for 5.4.18
sprintf: 0.19314384460449 concat: 0.074300050735474 expansion: 0.080721139907837
Output for 5.4.17
sprintf: 0.18575382232666 concat: 0.06668496131897 expansion: 0.068917036056519
Output for 5.4.16
sprintf: 0.19137406349182 concat: 0.080272912979126 expansion: 0.07821798324585
Output for 5.4.15
sprintf: 0.18735194206238 concat: 0.083766937255859 expansion: 0.070399045944214
Output for 5.4.14
sprintf: 0.18898797035217 concat: 0.069046974182129 expansion: 0.072808980941772
Output for 5.4.13
sprintf: 0.21344399452209 concat: 0.072464942932129 expansion: 0.070389986038208
Output for 5.4.12
sprintf: 0.19521903991699 concat: 0.077781200408936 expansion: 0.087710857391357
Output for 5.4.11
sprintf: 0.18802809715271 concat: 0.071749925613403 expansion: 0.083720922470093
Output for 5.4.10
sprintf: 0.19624590873718 concat: 0.070244073867798 expansion: 0.070806980133057
Output for 5.4.9
sprintf: 0.22534990310669 concat: 0.068269968032837 expansion: 0.070837020874023
Output for 5.4.8
sprintf: 0.21249413490295 concat: 0.068455934524536 expansion: 0.070359945297241
Output for 5.4.7
sprintf: 0.20893001556396 concat: 0.067405939102173 expansion: 0.081228971481323
Output for 5.4.6
sprintf: 0.19081997871399 concat: 0.071272850036621 expansion: 0.06792688369751
Output for 5.4.5
sprintf: 0.2004759311676 concat: 0.073179960250854 expansion: 0.074235200881958
Output for 5.4.4
sprintf: 0.20074081420898 concat: 0.069828033447266 expansion: 0.070440053939819
Output for 5.4.3
sprintf: 0.1990168094635 concat: 0.070491075515747 expansion: 0.07079815864563
Output for 5.4.2
sprintf: 0.19416189193726 concat: 0.082633018493652 expansion: 0.068099021911621
Output for 5.4.1
sprintf: 0.21345400810242 concat: 0.079969882965088 expansion: 0.074751853942871
Output for 5.4.0
sprintf: 0.18748998641968 concat: 0.070796012878418 expansion: 0.071476936340332
Output for 5.3.29
sprintf: 0.21221017837524 concat: 0.072893857955933 expansion: 0.074299097061157
Output for 5.3.28
sprintf: 0.23555898666382 concat: 0.070382118225098 expansion: 0.074063062667847
Output for 5.3.27
sprintf: 0.2278790473938 concat: 0.08327579498291 expansion: 0.090261936187744
Output for 5.3.26
sprintf: 0.22832608222961 concat: 0.07414722442627 expansion: 0.082942962646484
Output for 5.3.25
sprintf: 0.22799491882324 concat: 0.075237035751343 expansion: 0.07715892791748
Output for 5.3.24
sprintf: 0.27912306785583 concat: 0.077470779418945 expansion: 0.078253984451294
Output for 5.3.23
sprintf: 0.21567320823669 concat: 0.071972846984863 expansion: 0.075897932052612
Output for 5.3.22
sprintf: 0.32129383087158 concat: 0.082555770874023 expansion: 0.10150098800659
Output for 5.3.21
sprintf: 0.27441906929016 concat: 0.080368995666504 expansion: 0.098174095153809
Output for 5.3.20
sprintf: 0.28264999389648 concat: 0.084576845169067 expansion: 0.075623989105225
Output for 5.3.19
sprintf: 0.31439709663391 concat: 0.089537143707275 expansion: 0.081594944000244
Output for 5.3.18
sprintf: 0.46719813346863 concat: 0.12423610687256 expansion: 0.12819218635559
Output for 5.3.17
sprintf: 0.24696683883667 concat: 0.086847066879272 expansion: 0.097090005874634
Output for 5.3.16
sprintf: 0.32905006408691 concat: 0.076927900314331 expansion: 0.08228611946106
Output for 5.3.15
sprintf: 0.28145909309387 concat: 0.090698957443237 expansion: 0.088756084442139
Output for 5.3.14
sprintf: 0.30583000183105 concat: 0.080044031143188 expansion: 0.081725120544434
Output for 5.3.13
sprintf: 0.2665798664093 concat: 0.078111886978149 expansion: 0.085914134979248
Output for 5.3.12
sprintf: 0.30636119842529 concat: 0.076520919799805 expansion: 0.078755855560303
Output for 5.3.11
sprintf: 0.25103092193604 concat: 0.075031995773315 expansion: 0.077823877334595
Output for 5.3.10
sprintf: 0.23346209526062 concat: 0.074923038482666 expansion: 0.092410802841187
Output for 5.3.9
sprintf: 0.25141096115112 concat: 0.082437992095947 expansion: 0.089308023452759
Output for 5.3.8
sprintf: 0.24205899238586 concat: 0.10521388053894 expansion: 0.080993890762329
Output for 5.3.7
sprintf: 0.26289200782776 concat: 0.073457002639771 expansion: 0.074429988861084
Output for 5.3.6
sprintf: 0.23993301391602 concat: 0.072010040283203 expansion: 0.074250936508179
Output for 5.3.5
sprintf: 0.23866486549377 concat: 0.08812689781189 expansion: 0.088701009750366
Output for 5.3.4
sprintf: 0.41285705566406 concat: 0.12431693077087 expansion: 0.13687801361084
Output for 5.3.3
sprintf: 0.28934001922607 concat: 0.082519054412842 expansion: 0.091149091720581
Output for 5.3.2
sprintf: 0.26137804985046 concat: 0.082067012786865 expansion: 0.072561025619507
Output for 5.3.1
sprintf: 0.27328395843506 concat: 0.085134029388428 expansion: 0.10412383079529
Output for 5.3.0
sprintf: 0.24475598335266 concat: 0.082694053649902 expansion: 0.087318897247314
Output for 5.2.17
sprintf: 0.29123687744141 concat: 0.12049293518066 expansion: 0.1107349395752
Output for 5.2.16
sprintf: 0.28402209281921 concat: 0.091410875320435 expansion: 0.091134071350098
Output for 5.2.15
sprintf: 0.29281616210938 concat: 0.085901021957397 expansion: 0.10173511505127
Output for 5.2.14
sprintf: 0.28857898712158 concat: 0.089755058288574 expansion: 0.095532894134521
Output for 5.2.13
sprintf: 0.25584888458252 concat: 0.090165138244629 expansion: 0.10482120513916
Output for 5.2.12
sprintf: 0.35669302940369 concat: 0.088653087615967 expansion: 0.092857837677002
Output for 5.2.11
sprintf: 0.29760909080505 concat: 0.092978000640869 expansion: 0.091043949127197
Output for 5.2.10
sprintf: 0.26316404342651 concat: 0.093189001083374 expansion: 0.11308407783508
Output for 5.2.9
sprintf: 0.25983095169067 concat: 0.08907413482666 expansion: 0.086501836776733
Output for 5.2.8
sprintf: 0.2925500869751 concat: 0.088908910751343 expansion: 0.094855070114136
Output for 5.2.7
sprintf: 0.27952790260315 concat: 0.087661981582642 expansion: 0.090898036956787
Output for 5.2.6
sprintf: 0.2541298866272 concat: 0.085487842559814 expansion: 0.10313606262207
Output for 5.2.5
sprintf: 0.2502121925354 concat: 0.099848985671997 expansion: 0.098221063613892
Output for 5.2.4
sprintf: 0.26117300987244 concat: 0.097017049789429 expansion: 0.092260122299194
Output for 5.2.3
sprintf: 0.25436997413635 concat: 0.13811087608337 expansion: 0.13034319877625
Output for 5.2.2
sprintf: 0.25236201286316 concat: 0.12166094779968 expansion: 0.24319005012512
Output for 5.2.1
sprintf: 0.25084900856018 concat: 0.093333005905151 expansion: 0.22932291030884
Output for 5.2.0
sprintf: 0.36060500144958 concat: 0.10389494895935 expansion: 0.23290801048279
Output for 5.1.6
sprintf: 0.27207803726196 concat: 0.099912166595459 expansion: 0.4328339099884
Output for 5.1.5
sprintf: 0.28067302703857 concat: 0.099950075149536 expansion: 0.41059303283691
Output for 5.1.4
sprintf: 0.33750295639038 concat: 0.10341906547546 expansion: 0.42931294441223
Output for 5.1.3
sprintf: 0.29764318466187 concat: 0.11628317832947 expansion: 0.43643283843994
Output for 5.1.2
sprintf: 0.26736187934875 concat: 0.094802141189575 expansion: 0.39353203773499
Output for 5.1.1
sprintf: 0.26708006858826 concat: 0.098119020462036 expansion: 0.39734506607056
Output for 5.1.0
sprintf: 0.26979494094849 concat: 0.10601687431335 expansion: 0.40185904502869
Output for 5.0.5
sprintf: 0.47322487831116 concat: 0.28454780578613 expansion: 0.6490740776062
Output for 5.0.4
sprintf: 0.47574186325073 concat: 0.35901212692261 expansion: 0.71343898773193
Output for 5.0.3
sprintf: 0.45359206199646 concat: 0.27364706993103 expansion: 0.60574507713318
Output for 5.0.2
sprintf: 0.5834949016571 concat: 0.26530194282532 expansion: 0.5611720085144
Output for 5.0.1
sprintf: 0.48782896995544 concat: 0.25895214080811 expansion: 0.57958197593689
Output for 5.0.0
sprintf: 0.42387795448303 concat: 0.25499796867371 expansion: 0.56033802032471
Output for 4.4.9
sprintf: 0.48107 concat: 0.277134 expansion: -0.39467
Output for 4.4.8
sprintf: 0.445393 concat: -0.714966 expansion: 0.580344
Output for 4.4.7
sprintf: -0.532487 concat: 0.283218 expansion: -0.397571
Output for 4.4.6
sprintf: 0.454903 concat: 0.288686 expansion: -0.393316
Output for 4.4.5
sprintf: -0.537116 concat: 0.305533 expansion: -0.305635
Output for 4.4.4
sprintf: 0.559029 concat: 0.293095 expansion: -0.327878
Output for 4.4.3
sprintf: -0.512521 concat: 0.296238 expansion: -0.341719
Output for 4.4.2
sprintf: 0.473667 concat: 0.284843 expansion: -0.415718
Output for 4.4.1
sprintf: 0.455726 concat: -0.716705 expansion: 0.573727
Output for 4.4.0
sprintf: -0.536242 concat: 0.285165 expansion: -0.385242
Output for 4.3.11
sprintf: 0.466494 concat: -0.701496 expansion: 0.636362
Output for 4.3.10
sprintf: -0.527002 concat: 0.28206 expansion: -0.408832
Output for 4.3.9
sprintf: 0.455131 concat: 0.291762 expansion: -0.404374
Output for 4.3.8
sprintf: 0.462653 concat: -0.72405 expansion: 0.617834
Output for 4.3.7
sprintf: -0.51556 concat: 0.288753 expansion: -0.392258
Output for 4.3.6
sprintf: 0.508903 concat: -0.712374 expansion: 0.590091
Output for 4.3.5
sprintf: -0.468778 concat: 0.318092 expansion: -0.382018
Output for 4.3.4
sprintf: 0.435235 concat: -0.713089 expansion: 0.601811
Output for 4.3.3
sprintf: -0.575881 concat: 0.296542 expansion: -0.36951
Output for 4.3.2
sprintf: 0.493511 concat: 0.258998 expansion: -0.366937
Output for 4.3.1
sprintf: 0.415617 concat: -0.712947 expansion: 0.368323
Output for 4.3.0
sprintf: 0.22738 concat: -0.859015 expansion: 0.1855
preferences:
113.22 ms | 693 KiB | 5 Q