Usage example of PHP stream_context_create() function_PHP tutorial

Examples of using the PHP stream_context_create() function

This article mainly introduces examples of using the PHP stream_context_create() function. The stream_context_create() function is used to create the context of an open file. File options are used for timeout settings, proxy servers, request methods, and header information settings for fopen(), file_get_contents() and other processes. Friends in need can refer to the following

The stream_context_create() function is used to create context options for opening files, and is a special process used for timeout settings, proxy servers, request methods, and header information settings for fopen(), file_get_contents() and other processes.

For example, in the last PHP tutorial, the gd library implements downloading of all pictures on the web page, line 10:

Use stream_context_create() to set the proxy server:

The code is as follows:

//Set proxy server

$opts = array('http'=>array('request_fulluri'=>true));

$context = stream_context_create($opts);

$content = file_get_contents($url,false,$context);

Use stream_context_create() to set the timeout:

The code is as follows:

　$opts = array(

'http'=>array(

'method'=>"GET",

'timeout'=>60,

　)

　);

$context = stream_context_create($opts);

　$html =file_get_contents('http://www.jb51.net', false, $context);