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<?php function generate($array) { // 1 loop over data foreach ($array as $v) { yield 'key' . $v => 'value' . $v; } } function generator($array) { // 1 parent loop over data return iterator_to_array(generate($array)); } function construct($array) { // 1 loop over data $result = []; foreach ($array as $v) { $result['key' . $v] = 'value' . $v; } return $result; } function mapCombine($array) { // 3 loops over data return array_combine( array_map( fn($v) => 'key' . $v, $array ), array_map( fn($v) => 'value' . $v, $array ), ); } function mapFlatten($array) { // 3 loops over data return array_merge( ...array_map( fn($v) => ['key' . $v => 'value' . $v], $array ), ); } function mapUncolumn($array) { // 2 loops over data return array_column( array_map( fn($v) => ['key' . $v, 'value' . $v], $array ), 1, 0 ); } function walk($array) { // 1 loop over data $result = []; array_walk( $array, function($v) use (&$result) { $result['key' . $v] = 'value' . $v; } ); return $result; } function reduce($array) { // 1 loop over data return array_reduce( $array, function($result, $v) { $result['key' . $v] = 'value' . $v; return $result; }, new ArrayObject() ); } function returnTime(callable $function, int $repeat = 20) { $tests = []; for ($i = 0; $i < $repeat; ++$i) { $startTime = microtime(true); $function(); $endTime = microtime(true); $tests[] = $endTime - $startTime; } // Representing the average return 1000 * array_sum($tests) / $repeat; } $array = range(0, 5000); foreach (['generator', 'construct', 'mapCombine', 'mapFlatten', 'mapUncolumn', 'walk', 'reduce'] as $test) { echo "Duration of $test: ", returnTime(fn() => $test($array)) . PHP_EOL; }
Output for 8.3.4
Duration of generator: 1.2189626693726 Duration of construct: 0.72321891784668 Duration of mapCombine: 0.94027519226074 Duration of mapFlatten: 1.1523604393005 Duration of mapUncolumn: 1.163923740387 Duration of walk: 1.1601090431213 Duration of reduce: 0.91509819030762
Output for 8.3.3
Duration of generator: 0.93502998352051 Duration of construct: 0.68153142929077 Duration of mapCombine: 0.94808340072632 Duration of mapFlatten: 1.1013269424438 Duration of mapUncolumn: 1.1387705802917 Duration of walk: 1.132333278656 Duration of reduce: 0.91077089309692
Output for 8.3.2
Duration of generator: 1.4564037322998 Duration of construct: 0.79036951065063 Duration of mapCombine: 1.0611414909363 Duration of mapFlatten: 1.1991262435913 Duration of mapUncolumn: 1.1510133743286 Duration of walk: 1.131010055542 Duration of reduce: 0.90718269348145
Output for 8.3.1
Duration of generator: 1.3128042221069 Duration of construct: 0.74775218963623 Duration of mapCombine: 0.94780921936035 Duration of mapFlatten: 1.1260151863098 Duration of mapUncolumn: 1.1588096618652 Duration of walk: 1.1405229568481 Duration of reduce: 0.92971324920654
Output for 8.3.0
Duration of generator: 0.96132755279541 Duration of construct: 0.70023536682129 Duration of mapCombine: 1.0082602500916 Duration of mapFlatten: 1.1886477470398 Duration of mapUncolumn: 1.363742351532 Duration of walk: 1.5156030654907 Duration of reduce: 0.95224380493164
Output for 8.2.17
Duration of generator: 1.3221621513367 Duration of construct: 1.06360912323 Duration of mapCombine: 1.0765790939331 Duration of mapFlatten: 1.1135458946228 Duration of mapUncolumn: 1.1347055435181 Duration of walk: 1.238477230072 Duration of reduce: 0.90551376342773
Output for 8.2.16
Duration of generator: 1.3875126838684 Duration of construct: 1.0749101638794 Duration of mapCombine: 1.1934041976929 Duration of mapFlatten: 1.1284470558167 Duration of mapUncolumn: 1.1261343955994 Duration of walk: 1.1500835418701 Duration of reduce: 0.90529918670654
Output for 8.2.15
Duration of generator: 0.94650983810425 Duration of construct: 0.72299242019653 Duration of mapCombine: 0.92813968658447 Duration of mapFlatten: 1.124095916748 Duration of mapUncolumn: 1.1956095695496 Duration of walk: 1.1590123176575 Duration of reduce: 0.92113018035889
Output for 8.2.14
Duration of generator: 1.399290561676 Duration of construct: 0.84389448165894 Duration of mapCombine: 1.0357260704041 Duration of mapFlatten: 1.1264562606812 Duration of mapUncolumn: 1.148796081543 Duration of walk: 1.2037038803101 Duration of reduce: 0.91875791549683
Output for 8.2.13
Duration of generator: 1.4052033424377 Duration of construct: 0.94215869903564 Duration of mapCombine: 1.0026454925537 Duration of mapFlatten: 1.1097073554993 Duration of mapUncolumn: 1.1345148086548 Duration of walk: 1.1352181434631 Duration of reduce: 1.0320544242859
Output for 8.2.12
Duration of generator: 1.3722538948059 Duration of construct: 1.0615944862366 Duration of mapCombine: 1.1281847953796 Duration of mapFlatten: 1.1113286018372 Duration of mapUncolumn: 1.1156439781189 Duration of walk: 1.1147022247314 Duration of reduce: 0.9021520614624
Output for 8.2.11
Duration of generator: 1.3760924339294 Duration of construct: 0.93014240264893 Duration of mapCombine: 1.0599732398987 Duration of mapFlatten: 1.1005401611328 Duration of mapUncolumn: 1.1206865310669 Duration of walk: 1.1663794517517 Duration of reduce: 0.91967582702637
Output for 8.2.10
Duration of generator: 1.360034942627 Duration of construct: 1.0613799095154 Duration of mapCombine: 1.2616753578186 Duration of mapFlatten: 1.1837005615234 Duration of mapUncolumn: 1.1104345321655 Duration of walk: 1.1997103691101 Duration of reduce: 0.93410015106201
Output for 8.2.9
Duration of generator: 1.059353351593 Duration of construct: 0.74063539505005 Duration of mapCombine: 0.95723867416382 Duration of mapFlatten: 1.1149287223816 Duration of mapUncolumn: 1.1309266090393 Duration of walk: 1.1770486831665 Duration of reduce: 0.99670886993408
Output for 8.2.8
Duration of generator: 1.1002779006958 Duration of construct: 0.93613862991333 Duration of mapCombine: 1.3153433799744 Duration of mapFlatten: 1.1310458183289 Duration of mapUncolumn: 1.1365056037903 Duration of walk: 1.7450094223022 Duration of reduce: 1.1294841766357
Output for 8.2.7
Duration of generator: 0.92619657516479 Duration of construct: 0.70068836212158 Duration of mapCombine: 0.92527866363525 Duration of mapFlatten: 1.1214137077332 Duration of mapUncolumn: 1.1267066001892 Duration of walk: 1.1527299880981 Duration of reduce: 0.91400146484375
Output for 8.2.6
Duration of generator: 1.3713598251343 Duration of construct: 1.0595917701721 Duration of mapCombine: 0.97659826278687 Duration of mapFlatten: 1.1362552642822 Duration of mapUncolumn: 1.1522531509399 Duration of walk: 1.1387944221497 Duration of reduce: 0.89600086212158
Output for 8.2.5
Duration of generator: 0.93749761581421 Duration of construct: 0.7209300994873 Duration of mapCombine: 0.93594789505005 Duration of mapFlatten: 1.1202216148376 Duration of mapUncolumn: 1.1367797851562 Duration of walk: 1.1003494262695 Duration of reduce: 0.90819597244263
Output for 8.2.4
Duration of generator: 0.91795921325684 Duration of construct: 0.7184624671936 Duration of mapCombine: 0.91992616653442 Duration of mapFlatten: 1.1054635047913 Duration of mapUncolumn: 1.3178706169128 Duration of walk: 1.219916343689 Duration of reduce: 1.09623670578
Output for 8.2.3
Duration of generator: 0.90543031692505 Duration of construct: 0.68560838699341 Duration of mapCombine: 0.92484951019287 Duration of mapFlatten: 1.1093020439148 Duration of mapUncolumn: 1.1223912239075 Duration of walk: 1.116418838501 Duration of reduce: 0.88315010070801
Output for 8.2.2
Duration of generator: 0.89290142059326 Duration of construct: 0.71266889572144 Duration of mapCombine: 0.90897083282471 Duration of mapFlatten: 1.1013269424438 Duration of mapUncolumn: 1.1228084564209 Duration of walk: 1.1233568191528 Duration of reduce: 0.90504884719849
Output for 8.2.1
Duration of generator: 0.92450380325317 Duration of construct: 0.70631504058838 Duration of mapCombine: 0.92567205429077 Duration of mapFlatten: 1.14825963974 Duration of mapUncolumn: 1.131808757782 Duration of walk: 1.1251330375671 Duration of reduce: 0.90218782424927
Output for 8.2.0
Duration of generator: 1.0527610778809 Duration of construct: 0.70786476135254 Duration of mapCombine: 0.99474191665649 Duration of mapFlatten: 1.1169075965881 Duration of mapUncolumn: 1.1285781860352 Duration of walk: 1.1179804801941 Duration of reduce: 0.91084241867065
Output for 8.1.27
Duration of generator: 1.3774752616882 Duration of construct: 0.90893507003784 Duration of mapCombine: 1.0175585746765 Duration of mapFlatten: 1.0836958885193 Duration of mapUncolumn: 1.0402083396912 Duration of walk: 1.1966109275818 Duration of reduce: 0.90676546096802
Output for 8.1.26
Duration of generator: 1.0307908058167 Duration of construct: 0.71529150009155 Duration of mapCombine: 0.95553398132324 Duration of mapFlatten: 1.0901689529419 Duration of mapUncolumn: 1.0772466659546 Duration of walk: 1.2665271759033 Duration of reduce: 1.0274171829224
Output for 8.1.25
Duration of generator: 1.1312365531921 Duration of construct: 0.7154107093811 Duration of mapCombine: 0.9661078453064 Duration of mapFlatten: 1.151978969574 Duration of mapUncolumn: 1.101291179657 Duration of walk: 1.2548923492432 Duration of reduce: 0.95453262329102
Output for 8.1.24
Duration of generator: 0.95070600509644 Duration of construct: 0.69025754928589 Duration of mapCombine: 0.94196796417236 Duration of mapFlatten: 1.0978579521179 Duration of mapUncolumn: 1.0660648345947 Duration of walk: 1.2647151947021 Duration of reduce: 0.96042156219482
Output for 8.1.23
Duration of generator: 1.382303237915 Duration of construct: 0.74266195297241 Duration of mapCombine: 0.93730688095093 Duration of mapFlatten: 1.0966062545776 Duration of mapUncolumn: 1.0522603988647 Duration of walk: 1.2351155281067 Duration of reduce: 0.90055465698242
Output for 8.1.22
Duration of generator: 0.99265575408936 Duration of construct: 0.68806409835815 Duration of mapCombine: 0.96290111541748 Duration of mapFlatten: 1.1425614356995 Duration of mapUncolumn: 1.0999798774719 Duration of walk: 1.2723445892334 Duration of reduce: 1.0094523429871
Output for 8.1.21
Duration of generator: 0.92775821685791 Duration of construct: 0.68660974502563 Duration of mapCombine: 0.94825029373169 Duration of mapFlatten: 1.1140942573547 Duration of mapUncolumn: 1.051938533783 Duration of walk: 1.2452960014343 Duration of reduce: 0.90224742889404
Output for 8.1.20
Duration of generator: 1.5197396278381 Duration of construct: 1.0228872299194 Duration of mapCombine: 1.1966586112976 Duration of mapFlatten: 1.2983322143555 Duration of mapUncolumn: 1.5115141868591 Duration of walk: 1.3150811195374 Duration of reduce: 0.92805624008179
Output for 8.1.19
Duration of generator: 1.0429978370667 Duration of construct: 0.69372653961182 Duration of mapCombine: 0.92538595199585 Duration of mapFlatten: 1.1195540428162 Duration of mapUncolumn: 1.0340809822083 Duration of walk: 1.2044548988342 Duration of reduce: 0.87701082229614
Output for 8.1.18
Duration of generator: 0.86958408355713 Duration of construct: 0.66988468170166 Duration of mapCombine: 0.92340707778931 Duration of mapFlatten: 1.0717511177063 Duration of mapUncolumn: 1.0324478149414 Duration of walk: 1.198148727417 Duration of reduce: 0.9147047996521
Output for 8.1.17
Duration of generator: 0.91495513916016 Duration of construct: 0.67579746246338 Duration of mapCombine: 0.93564987182617 Duration of mapFlatten: 1.1023879051208 Duration of mapUncolumn: 1.0451078414917 Duration of walk: 1.2113809585571 Duration of reduce: 0.90316534042358
Output for 8.1.16
Duration of generator: 1.3918280601501 Duration of construct: 0.97348690032959 Duration of mapCombine: 1.0202050209045 Duration of mapFlatten: 1.2011885643005 Duration of mapUncolumn: 1.0879993438721 Duration of walk: 1.2705445289612 Duration of reduce: 0.93814134597778
Output for 8.1.15
Duration of generator: 1.201593875885 Duration of construct: 0.78020095825195 Duration of mapCombine: 0.94250440597534 Duration of mapFlatten: 1.1232614517212 Duration of mapUncolumn: 1.0704517364502 Duration of walk: 1.2310028076172 Duration of reduce: 0.93510150909424
Output for 8.1.14
Duration of generator: 0.92240571975708 Duration of construct: 0.66665410995483 Duration of mapCombine: 0.94376802444458 Duration of mapFlatten: 1.1344194412231 Duration of mapUncolumn: 1.3486623764038 Duration of walk: 1.3969421386719 Duration of reduce: 0.90724229812622
Output for 8.1.13
Duration of generator: 0.92978477478027 Duration of construct: 0.71858167648315 Duration of mapCombine: 0.92005729675293 Duration of mapFlatten: 1.0976076126099 Duration of mapUncolumn: 1.0494112968445 Duration of walk: 1.2177109718323 Duration of reduce: 0.92588663101196
Output for 8.1.12
Duration of generator: 0.93976259231567 Duration of construct: 0.66500902175903 Duration of mapCombine: 0.96422433853149 Duration of mapFlatten: 1.119589805603 Duration of mapUncolumn: 1.0681986808777 Duration of walk: 1.2799739837646 Duration of reduce: 0.96180438995361
Output for 8.1.11
Duration of generator: 1.4057040214539 Duration of construct: 1.0431289672852 Duration of mapCombine: 1.2380361557007 Duration of mapFlatten: 1.1273622512817 Duration of mapUncolumn: 1.0648608207703 Duration of walk: 1.2330055236816 Duration of reduce: 0.91698169708252
Output for 8.1.10
Duration of generator: 1.4561533927917 Duration of construct: 0.89726448059082 Duration of mapCombine: 1.0981321334839 Duration of mapFlatten: 1.0981440544128 Duration of mapUncolumn: 1.0361194610596 Duration of walk: 1.1761546134949 Duration of reduce: 0.8731484413147
Output for 8.1.9
Duration of generator: 1.3744950294495 Duration of construct: 0.9734034538269 Duration of mapCombine: 0.95870494842529 Duration of mapFlatten: 1.2616872787476 Duration of mapUncolumn: 1.0736107826233 Duration of walk: 1.2388944625854 Duration of reduce: 0.92945098876953
Output for 8.1.8
Duration of generator: 1.5460014343262 Duration of construct: 1.0248184204102 Duration of mapCombine: 0.95812082290649 Duration of mapFlatten: 1.1136651039124 Duration of mapUncolumn: 1.0511994361877 Duration of walk: 1.196300983429 Duration of reduce: 0.88634490966797
Output for 8.1.7
Duration of generator: 0.953209400177 Duration of construct: 0.66906213760376 Duration of mapCombine: 0.942063331604 Duration of mapFlatten: 1.1179566383362 Duration of mapUncolumn: 1.0483384132385 Duration of walk: 1.2337446212769 Duration of reduce: 0.92940330505371
Output for 8.1.6
Duration of generator: 1.2938976287842 Duration of construct: 1.002562046051 Duration of mapCombine: 1.0065913200378 Duration of mapFlatten: 1.1502027511597 Duration of mapUncolumn: 1.0600924491882 Duration of walk: 1.2187957763672 Duration of reduce: 0.91243982315063
Output for 8.1.5
Duration of generator: 1.468551158905 Duration of construct: 1.0004997253418 Duration of mapCombine: 0.97620487213135 Duration of mapFlatten: 1.1240720748901 Duration of mapUncolumn: 1.0554432868958 Duration of walk: 1.3005614280701 Duration of reduce: 0.90910196304321
Output for 8.1.4
Duration of generator: 1.3584733009338 Duration of construct: 1.0028004646301 Duration of mapCombine: 1.2112498283386 Duration of mapFlatten: 1.0978937149048 Duration of mapUncolumn: 1.0517120361328 Duration of walk: 1.2311697006226 Duration of reduce: 0.8975625038147
Output for 8.1.3
Duration of generator: 1.51606798172 Duration of construct: 1.0235548019409 Duration of mapCombine: 1.0820031166077 Duration of mapFlatten: 1.1966705322266 Duration of mapUncolumn: 1.1459946632385 Duration of walk: 1.7191767692566 Duration of reduce: 1.0583877563477
Output for 8.1.2
Duration of generator: 1.0541677474976 Duration of construct: 0.70661306381226 Duration of mapCombine: 1.0338544845581 Duration of mapFlatten: 1.0960459709167 Duration of mapUncolumn: 1.05801820755 Duration of walk: 1.2292385101318 Duration of reduce: 0.91515779495239
Output for 8.1.1
Duration of generator: 1.3879895210266 Duration of construct: 1.0028123855591 Duration of mapCombine: 0.95086097717285 Duration of mapFlatten: 1.1045932769775 Duration of mapUncolumn: 1.0393381118774 Duration of walk: 1.230263710022 Duration of reduce: 0.91772079467773
Output for 8.1.0
Duration of generator: 1.3910531997681 Duration of construct: 0.95208883285522 Duration of mapCombine: 1.0187864303589 Duration of mapFlatten: 1.0999441146851 Duration of mapUncolumn: 1.0486006736755 Duration of walk: 1.187002658844 Duration of reduce: 0.89741945266724
preferences:
55.44 ms | 487 KiB | 5 Q