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@ 2015-11-28T21:06:59Z

<?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) {
        $tempArr[$key] = bubbleSort($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 bubbleSort($arr)
{
    $n = sizeof($arr);    
    for ($i = 1; $i < $n; $i++) {
        $flag = false;
        for ($j = $n - 1; $j >= $i; $j--) {
            if($arr[$j-1] > $arr[$j]) {
                $tmp = $arr[$j - 1];
                $arr[$j - 1] = $arr[$j];
                $arr[$j] = $tmp;
                $flag = true;
            }
        }
        if (!$flag) {
            break;
        }
    }

    return $arr;
}

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

bSort($arr);

Output for git.master, git.master_jit, rfc.property-hooks: array(3) { [0]=> array(4) { [0]=> int(1) [1]=> int(8) [2]=> int(15) [3]=> int(16) } [1]=> array(4) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(7) } [2]=> array(4) { [0]=> int(6) [1]=> int(9) [2]=> int(11) [3]=> int(19) } } array(4) { [0]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(6) } [1]=> array(3) { [0]=> int(3) [1]=> int(8) [2]=> int(9) } [2]=> array(3) { [0]=> int(4) [1]=> int(11) [2]=> int(15) } [3]=> array(3) { [0]=> int(7) [1]=> int(16) [2]=> int(19) } }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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