如何使用php向其他域名post数据

<?php
$url = 'https://example.com/api'; // 目标 URL
$data = array(
    'key1' => 'value1',
    'key2' => 'value2'
);

// 初始化 cURL 会话
$ch = curl_init($url);

// 设置 cURL 选项
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/x-www-form-urlencoded'
));

// 执行 cURL 会话并获取响应
$response = curl_exec($ch);

// 检查是否有错误发生
if(curl_errno($ch)){
    echo 'Curl error: ' . curl_error($ch);
}

// 关闭 cURL 会话
curl_close($ch);

echo $response;
?>

<?php
$url = 'https://example.com/api'; // 目标 URL
$data = array(
    'key1' => 'value1',
    'key2' => 'value2'
);

$options = array(
    'http' => array(
        'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
        'method'  => 'POST',
        'content' => http_build_query($data),
    ),
);

$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);

if ($result === FALSE) { /* Handle error */ }

echo $result;
?>

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

curl_setopt($ch, CURLOPT_TIMEOUT, 30); // 设置超时时间为 30 秒