PHP curl_init function

PHP cURL Reference Manual

(PHP 4 >= 4.0.2, PHP 5)

curl_init — Initialize a cURL session

Description

resource curl_init ([ string $url = NULL ] )

Initializes a new session and returns a cURL handle for use with the curl_setopt(), curl_exec() and curl_close() functions.

Parameters

url

If this parameter is provided, the CURLOPT_URL option will be set to this value. You can also set this value manually using the curl_setopt() function.

Return Values

Returns a cURL handle on success, or FALSE on error.

Examples

Initialize a new cURL session and fetch a web page

<?php
// 创建一个新cURL资源
$ch = curl_init();

// 设置URL和相应的选项
curl_setopt($ch, CURLOPT_URL, "http://www.example.com/");
curl_setopt($ch, CURLOPT_HEADER, 0);

// 抓取URL并把它传递给浏览器
curl_exec($ch);

// 关闭cURL资源，并且释放系统资源
curl_close($ch);
?>

PHP cURL Reference Manual