How to use php curl_init function

php The curl_init function initializes a cURL session, that is, initializes a new session and returns a cURL handle for use by the curl_setopt(), curl_exec() and curl_close() functions.

php How to use the curl_init function?

curl_init — Initialize a cURL session

Description

resource curl_init ([ string $url = NULL ] )

Initialize a new session and return a cURL handle for curl_setopt(), curl_exec() and curl_close () function usage.

Parameter 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 value

If successful, return a cURL handle, return FALSE on error.

Example

Initialize a new cURL session and get 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.php.cn/");
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);
?>

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