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<?php $a = array(1,2,1,3,2,1,3,2,1,3,2,1,2,3,1,2,3); echo implode(" ", $a) . "\n"; $first = 0; $last = sizeof($a) - 1; foreach($a as $k => $v) { // echo "Found $v at index $k\n"; if ($v == 1) { swap($k, $first); } if ($v == 3) { swap($k, $last); } } echo implode(" ", $a) . "\n"; function swap(&$arr, $k1, $k2) { $tmp = $arr[$k2]; $arr[$k2] = $arr[$k1]; $arr[$k1] = $tmp; }
Output for 7.1.0 - 7.1.25, 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
1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3 Fatal error: Uncaught ArgumentCountError: Too few arguments to function swap(), 2 passed in /in/gpGeu on line 12 and exactly 3 expected in /in/gpGeu:21 Stack trace: #0 /in/gpGeu(12): swap(0, 0) #1 {main} thrown in /in/gpGeu on line 21
Process exited with code 255.
Output for 7.0.0 - 7.0.20
1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3
Output for 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 - 5.5.37, 5.6.0 - 5.6.28
1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 12 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap(), called in /in/gpGeu on line 15 and defined in /in/gpGeu on line 21 Notice: Undefined variable: k2 in /in/gpGeu on line 23 Notice: Undefined variable: k2 in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 Warning: Missing argument 3 for swap() in /in/gpGeu on line 21 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 24 Warning: Cannot use a scalar value as an array in /in/gpGeu on line 25 1 2 1 3 2 1 3 2 1 3 2 1 2 3 1 2 3
preferences:
259.26 ms | 410 KiB | 365 Q