3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i = 1; $i<120; $i++){ echo $i . ' | '. $i % 20 . PHP_EOL; }
Output for 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 - 8.3.4, 8.3.6
1 | 1 2 | 2 3 | 3 4 | 4 5 | 5 6 | 6 7 | 7 8 | 8 9 | 9 10 | 10 11 | 11 12 | 12 13 | 13 14 | 14 15 | 15 16 | 16 17 | 17 18 | 18 19 | 19 20 | 0 21 | 1 22 | 2 23 | 3 24 | 4 25 | 5 26 | 6 27 | 7 28 | 8 29 | 9 30 | 10 31 | 11 32 | 12 33 | 13 34 | 14 35 | 15 36 | 16 37 | 17 38 | 18 39 | 19 40 | 0 41 | 1 42 | 2 43 | 3 44 | 4 45 | 5 46 | 6 47 | 7 48 | 8 49 | 9 50 | 10 51 | 11 52 | 12 53 | 13 54 | 14 55 | 15 56 | 16 57 | 17 58 | 18 59 | 19 60 | 0 61 | 1 62 | 2 63 | 3 64 | 4 65 | 5 66 | 6 67 | 7 68 | 8 69 | 9 70 | 10 71 | 11 72 | 12 73 | 13 74 | 14 75 | 15 76 | 16 77 | 17 78 | 18 79 | 19 80 | 0 81 | 1 82 | 2 83 | 3 84 | 4 85 | 5 86 | 6 87 | 7 88 | 8 89 | 9 90 | 10 91 | 11 92 | 12 93 | 13 94 | 14 95 | 15 96 | 16 97 | 17 98 | 18 99 | 19 100 | 0 101 | 1 102 | 2 103 | 3 104 | 4 105 | 5 106 | 6 107 | 7 108 | 8 109 | 9 110 | 10 111 | 11 112 | 12 113 | 13 114 | 14 115 | 15 116 | 16 117 | 17 118 | 18 119 | 19
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1 | 1 2 | 2 3 | 3 4 | 4 5 | 5 6 | 6 7 | 7 8 | 8 9 | 9 10 | 10 11 | 11 12 | 12 13 | 13 14 | 14 15 | 15 16 | 16 17 | 17 18 | 18 19 | 19 20 | 0 21 | 1 22 | 2 23 | 3 24 | 4 25 | 5 26 | 6 27 | 7 28 | 8 29 | 9 30 | 10 31 | 11 32 | 12 33 | 13 34 | 14 35 | 15 36 | 16 37 | 17 38 | 18 39 | 19 40 | 0 41 | 1 42 | 2 43 | 3 44 | 4 45 | 5 46 | 6 47 | 7 48 | 8 49 | 9 50 | 10 51 | 11 52 | 12 53 | 13 54 | 14 55 | 15 56 | 16 57 | 17 58 | 18 59 | 19 60 | 0 61 | 1 62 | 2 63 | 3 64 | 4 65 | 5 66 | 6 67 | 7 68 | 8 69 | 9 70 | 10 71 | 11 72 | 12 73 | 13 74 | 14 75 | 15 76 | 16 77 | 17 78 | 18 79 | 19 80 | 0 81 | 1 82 | 2 83 | 3 84 | 4 85 | 5 86 | 6 87 | 7 88 | 8 89 | 9 90 | 10 91 | 11 92 | 12 93 | 13 94 | 14 95 | 15 96 | 16 97 | 17 98 | 18 99 | 19 100 | 0 101 | 1 102 | 2 103 | 3 104 | 4 105 | 5 106 | 6 107 | 7 108 | 8 109 | 9 110 | 10 111 | 11 112 | 12 113 | 13 114 | 14 115 | 15 116 | 16 117 | 17 118 | 18 119 | 19

preferences:
265.29 ms | 403 KiB | 290 Q