PHPerKaigi 2024

curl_reset

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

curl_resetReset all options of a libcurl session handle

Description

curl_reset(CurlHandle $handle): void

This function re-initializes all options set on the given cURL handle to the default values.

Parameters

handle

A cURL handle returned by curl_init().

Return Values

No value is returned.

Changelog

Version Description
8.0.0 handle expects a CurlHandle instance now; previously, a resource was expected.

Examples

Example #1 curl_reset() example

<?php
// Create a curl handle
$ch = curl_init();

// Set CURLOPT_USERAGENT option
curl_setopt($ch, CURLOPT_USERAGENT, "My test user-agent");

// Reset all previously set options
curl_reset($ch);

// Send HTTP request
curl_setopt($ch, CURLOPT_URL, 'http://example.com/');
curl_exec($ch); // the previously set user-agent will be not sent, it has been reset by curl_reset

// Close the handle
curl_close($ch);
?>

Notes

Note:

curl_reset() also resets the URL given as the curl_init() parameter.

See Also

add a note

User Contributed Notes 2 notes

up
9
Waloon
7 years ago
Hack for php < 5.5 :

function curl_reset(&$ch){
$ch = curl_init();
}
up
0
dev at codesatori dot com
7 years ago
If you're reusing a cUrl handle and want to ensure there's no residue from previous options -- but are frustrated with resetting the basics (e.g. FTP details) needed for each cURL call -- then here's an easy pattern to fix that:

<?php
class cUrlicue {

protected
$curl;

/* Create the cURL handle */

function __construct() {
$this->curl = curl_init();
$this->curl_init_opts();
curl_exec($this->curl);
}

/* Reload your base options */

function curl_init_opts() {
$opts[CURLOPT_PROTOCOLS] = CURLPROTO_FTP;
$opts[CURLOPT_RETURNTRANSFER] = true;
$opts[CURLOPT_USERPWD] = 'user:pass';
//...
curl_setopt_array($this->curl, $opts);
}

/* Use when making a new cURL call */

function curl_exec($opts) {
curl_reset($this->curl); // clears all old options
$this->curl_init_opts(); // sets base options again
curl_setopt_array($this->curl, $opts); // sets your new options
return curl_exec($this->curl);
}

/* Your whatever cURL method */

function curl_get_whatever() {
$opts[CURLOPT_URL] = 'ftp://.../whatever';
//...
$result = $this->curl_exec($opts);
// ...
}
}
?>

Then: each call to $this->curl_exec() from your whatever-method resets the previous options, reloads the base options, adds in your new options, and returns the result. Otherwise, can also put your base options into a class property, instead of in-method, if there's nothing dynamic being defined. Enjoy. =^_^=
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