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run code in 300+ PHP versions simultaneously
<?php $start = new DateTime('2008-01-01 00:00'); $end = new DateTime(); $point = $start; while($point <= $end){ echo $point->format('YW') . "\n"; $point = $point->modify('next week'); }
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.22, 7.0.0 - 7.0.7, 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
200801 200802 200803 200804 200805 200806 200807 200808 200809 200810 200811 200812 200813 200814 200815 200816 200817 200818 200819 200820 200821 200822 200823 200824 200825 200826 200827 200828 200829 200830 200831 200832 200833 200834 200835 200836 200837 200838 200839 200840 200841 200842 200843 200844 200845 200846 200847 200848 200849 200850 200851 200852 200801 200902 200903 200904 200905 200906 200907 200908 200909 200910 200911 200912 200913 200914 200915 200916 200917 200918 200919 200920 200921 200922 200923 200924 200925 200926 200927 200928 200929 200930 200931 200932 200933 200934 200935 200936 200937 200938 200939 200940 200941 200942 200943 200944 200945 200946 200947 200948 200949 200950 200951 200952 200953 201001 201002 201003 201004 201005 201006 201007 201008 201009 201010 201011 201012 201013 201014 201015 201016 201017 201018 201019 201020 201021 201022 201023 201024 201025 201026 201027 201028 201029 201030 201031 201032 201033 201034 201035 201036 201037 201038 201039 201040 201041 201042 201043 201044 201045 201046 201047 201048 201049 201050 201051 201052 201101 201102 201103 201104 201105 201106 201107 201108 201109 201110 201111 201112 201113 201114 201115 201116 201117 201118 201119 201120 201121 201122 201123 201124 201125 201126 201127 201128 201129 201130 201131 201132 201133 201134 201135 201136 201137 201138 201139 201140 201141 201142 201143 201144 201145 201146 201147 201148 201149 201150 201151 201152 201201 201202 201203 201204 201205 201206 201207 201208 201209 201210 201211 201212 201213 201214 201215 201216 201217 201218 201219 201220 201221 201222 201223 201224 201225 201226 201227 201228 201229 201230 201231 201232 201233 201234 201235 201236 201237 201238 201239 201240 201241 201242 201243 201244 201245 201246 201247 201248 201249 201250 201251 201252 201201 201302 201303 201304 201305 201306 201307 201308 201309 201310 201311 201312 201313 201314 201315 201316 201317 201318 201319 201320 201321 201322 201323 201324 201325 201326 201327 201328 201329 201330 201331 201332 201333 201334 201335 201336 201337 201338 201339 201340 201341 201342 201343 201344 201345 201346 201347 201348 201349 201350 201351 201352 201301 201402 201403 201404 201405 201406 201407 201408 201409 201410 201411 201412 201413 201414 201415 201416 201417 201418 201419 201420 201421 201422 201423 201424 201425 201426 201427 201428 201429 201430 201431 201432 201433 201434 201435 201436 201437 201438 201439 201440 201441 201442 201443 201444 201445 201446 201447 201448 201449 201450 201451 201452 201401 201502 201503 201504 201505 201506 201507 201508 201509 201510 201511 201512 201513 201514 201515 201516 201517 201518 201519 201520 201521 201522 201523 201524 201525 201526 201527 201528 201529 201530 201531 201532 201533 201534 201535 201536 201537 201538 201539 201540 201541 201542 201543 201544 201545 201546 201547 201548 201549 201550 201551 201552 201553 201601 201602 201603 201604 201605 201606 201607 201608 201609 201610 201611 201612 201613 201614 201615 201616 201617 201618 201619 201620 201621 201622 201623 201624 201625 201626 201627
Output for 5.5.37, 5.6.23, 7.0.8
preferences:
197.96 ms | 402 KiB | 252 Q