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<?php $code = "03255000000"; $len = strlen($code); $i = 0; $sum = 0; do { $r = (string)($i+1); $sum = (string)($sum + $code[$i]*$r); echo $k.": ".$code[$i]." * $r = $sum\n"; $i++; }while($i < $len); echo (string)($sum%11); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 1 = 0 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 3 * 2 = 6 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 2 * 3 = 12 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 5 * 4 = 32 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 5 * 5 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 6 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 7 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 8 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 9 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 10 = 57 Warning: Undefined variable $k in /in/1e0Cg on line 10 : 0 * 11 = 57 2
Output for 5.0.4 - 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 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 1 = 0 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 3 * 2 = 6 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 2 * 3 = 12 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 5 * 4 = 32 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 5 * 5 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 6 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 7 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 8 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 9 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 10 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 11 = 57 2
Output for 7.3.32 - 7.3.33
: 0 * 1 = 0 : 3 * 2 = 6 : 2 * 3 = 12 : 5 * 4 = 32 : 5 * 5 = 57 : 0 * 6 = 57 : 0 * 7 = 57 : 0 * 8 = 57 : 0 * 9 = 57 : 0 * 10 = 57 : 0 * 11 = 57 2
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 1 = 0 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 3 * 2 = 6 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 2 * 3 = 12 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 5 * 4 = 32 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 5 * 5 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 6 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 7 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 8 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 9 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 10 = 57 Notice: Undefined variable: k in /in/1e0Cg on line 10 : 0 * 11 = 57 2

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286.94 ms | 403 KiB | 399 Q