Insertion Sort

Sort an array using the insertion sort algorithm by building a sorted portion one element at a time.

Code

Algorithms

for ($i = 1; $i < count($arr); $i++) {
    $key = $arr[$i];
    $j = $i - 1;
    while ($j >= 0 && $arr[$j] > $key) {
        $arr[$j + 1] = $arr[$j];
        $j--;
    }
    $arr[$j + 1] = $key;
}
$arr;

Parameters

arr(array)

Array to sort

Server

More PHP Snippets

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Heap Sort

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Merge Sort

Sort an array using the merge sort algorithm with O(n log n) time complexity.

Quicksort

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Selection Sort

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