What is PHP cURL?-PHP Problem-php.cn

What is PHP cURL?

Guanhui

Release： 2023-03-01 17:08:01

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What is PHP cURL?

What is PHP cURL?

PHP cURL is a powerful library that can connect and communicate with various servers and use various protocols. It also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP upload, HTTP form-based upload, and proxy , cookies, username and password authentication.

Recommended video tutorial: "PHP uses CURL to crawl pages"

PHP cURL Function

Function	Description
curl_close()	Close a cURL session.
curl_copy_handle()	Copy a cURL handle and all its options.
curl_errno()	Returns the last error number.
curl_error()	Returns a string that protects the most recent error in the current session.
curl_escape()	Returns the escape string, URL encoding the given string.
curl_exec()	Execute a cURL session.
curl_file_create()	Create a CURLFile object.
curl_getinfo()	Get information about a cURL connection resource handle.
curl_init()	Initialize a cURL session.
curl_multi_add_handle()	Add individual curl handles to a curl batch session.
curl_multi_close()	Close a group of cURL handles.
curl_multi_exec()	Runs a sub-connection of the current cURL handle.
curl_multi_getcontent()	If CURLOPT_RETURNTRANSFER is set, returns the text stream of the obtained output.
curl_multi_info_read()	Get the relevant transmission information of the currently parsed cURL.
curl_multi_init()	Returns a new cURL batch handle.
curl_multi_remove_handle()	Remove a handle resource in the curl batch handle resource.
curl_multi_select()	Wait for all active connections in the cURL batch.
curl_multi_setopt()	Sets a batch cURL transfer option.
curl_multi_strerror()	Returns a string text describing the error code.
curl_pause()	Pause and resume the connection.
curl_reset()	Resets all options of libcurl's session handle.
curl_setopt_array()	Set options for cURL transfer sessions in batches.
curl_setopt()	Set a cURL transfer option.
curl_share_close()	Close the cURL shared handle.
curl_share_init()	Initialize the cURL shared handle.
curl_share_setopt()	Sets the cURL transfer options for a shared handle.
curl_strerror()	Returns a string description of the error code.
curl_unescape()	Decode the URL-encoded string.
curl_version()	Get cURL version information.

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