3v4l.org

run code in 200+ php & hhvm versions

@

<?php

$arr = [
		[15, 16, 8, 1],
		[2, 3, 4, 7],
		[9, 11, 19, 6]
];

function bubbleSortRowCol(&$arr) {
    $colCount = count($arr[0]);
    $rowCount = count($arr);
    $tempArr = [];
    $columnArr = [];
    
    foreach($arr as $key => $value) {
        if($key % 2 === 0) {
            $tempArr[$key] = bubbleSortAsc($value);
        } else {
            $tempArr[$key] = bubbleSortDesc($value);
        }
    }
    
    var_dump($tempArr); echo PHP_EOL;
    
    for($i = 0; $i < $colCount; $i++) {
        $columnArr[$i] = bubbleSort(array_column($tempArr, $i));
    }
    
    var_dump($columnArr); echo PHP_EOL;
    
    for($i = 0; $i < $rowCount; $i++) {
        $tempArr[$i] = bubbleSort(array_column($columnArr, $i));
    }
    
    $arr = $tempArr;
}

function bubbleSortAsc(array $arr) {
    $sorted = false;
    while (false === $sorted) {
        $sorted = true;
        for ($i = 0; $i < count($arr)-1; ++$i) {
            $current = $arr[$i];
            $next = $arr[$i+1];
            if ($next < $current) {
                $arr[$i] = $next;
                $arr[$i+1] = $current;
                $sorted = false;
            }
        }
    }
    return $arr;
}

function bubbleSortDesc(array $arr) {
    $sorted = false;
    while (false === $sorted) {
        $sorted = true;
        for ($i = 0; $i < count($arr)-1; ++$i) {
            $current = $arr[$i];
            $next = $arr[$i+1];
            if ($next > $current) {
                $arr[$i] = $next;
                $arr[$i+1] = $current;
                $sorted = false;
            }
        }
    }
    return $arr;
}

function bSort($arr) {
    
    bubbleSortRowCol($arr);
    
    return $arr;
}

bSort($arr);

eol versions

Output for 7.0.0 - 7.1.7, 7.2.0: array(3) { [0]=> array(4) { [0]=> int(1) [1]=> int(8) [2]=> int(15) [3]=> int(16) } [1]=> array(4) { [0]=> int(7) [1]=> int(4) [2]=> int(3) [3]=> int(2) } [2]=> array(4) { [0]=> int(6) [1]=> int(9) [2]=> int(11) [3]=> int(19) } } Fatal error: Uncaught Error: Call to undefined function bubbleSort() in /in/QYlFg:26 Stack trace: #0 /in/QYlFg(74): bubbleSortRowCol(Array) #1 /in/QYlFg(79): bSort(Array) #2 {main} thrown in /in/QYlFg on line 26
Process exited with code 255.
Output for 7.1.10: Process exited with code 137.
Output for 5.4.10 - 5.6.28: array(3) { [0]=> array(4) { [0]=> int(1) [1]=> int(8) [2]=> int(15) [3]=> int(16) } [1]=> array(4) { [0]=> int(7) [1]=> int(4) [2]=> int(3) [3]=> int(2) } [2]=> array(4) { [0]=> int(6) [1]=> int(9) [2]=> int(11) [3]=> int(19) } } Fatal error: Call to undefined function bubbleSort() in /in/QYlFg on line 26
Process exited with code 255.
Output for 5.3.20 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/QYlFg on line 3
Process exited with code 255.