3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; for ($j = 0; $j < 20; $j++) { $k = $i + 5; for ($i; $i < $k; $i++) { echo $i . "\t"; } echo "row\n\r"; }
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 - 5.6.28, 7.0.0 - 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 - 8.2.18, 8.3.0 - 8.3.6
0 1 2 3 4 row 5 6 7 8 9 row 10 11 12 13 14 row 15 16 17 18 19 row 20 21 22 23 24 row 25 26 27 28 29 row 30 31 32 33 34 row 35 36 37 38 39 row 40 41 42 43 44 row 45 46 47 48 49 row 50 51 52 53 54 row 55 56 57 58 59 row 60 61 62 63 64 row 65 66 67 68 69 row 70 71 72 73 74 row 75 76 77 78 79 row 80 81 82 83 84 row 85 86 87 88 89 row 90 91 92 93 94 row 95 96 97 98 99 row

preferences:
278.54 ms | 406 KiB | 399 Q