3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 00000; $i <= 00100; $i++) { $i=str_pad($i, 5, '0', STR_PAD_LEFT); echo $i."<br>"; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.2.18, 8.3.0 - 8.3.6
00000<br>00001<br>00002<br>00003<br>00004<br>00005<br>00006<br>00007<br>00008<br>00009<br>00010<br>00011<br>00012<br>00013<br>00014<br>00015<br>00016<br>00017<br>00018<br>00019<br>00020<br>00021<br>00022<br>00023<br>00024<br>00025<br>00026<br>00027<br>00028<br>00029<br>00030<br>00031<br>00032<br>00033<br>00034<br>00035<br>00036<br>00037<br>00038<br>00039<br>00040<br>00041<br>00042<br>00043<br>00044<br>00045<br>00046<br>00047<br>00048<br>00049<br>00050<br>00051<br>00052<br>00053<br>00054<br>00055<br>00056<br>00057<br>00058<br>00059<br>00060<br>00061<br>00062<br>00063<br>00064<br>
preferences:
305.17 ms | 407 KiB | 460 Q