Home > Article > Backend Development > What is the usage of PHP curl_init
PHP curl_init is used to initialize a cURL session. Its usage syntax is "resource curl_init ([ string $url = NULL ] )", and the return value is a cURL handle.
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
What is the usage of PHP curl_init?
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 obtain 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.runoob.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); ?>
Recommended learning: "PHP Video Tutorial"
The above is the detailed content of What is the usage of PHP curl_init. For more information, please follow other related articles on the PHP Chinese website!