PHP 8.3.4 Released!

curl_copy_handle

(PHP 5, PHP 7, PHP 8)

curl_copy_handleCopy a cURL handle along with all of its preferences

Description

curl_copy_handle(CurlHandle $handle): CurlHandle|false

Copies a cURL handle keeping the same preferences.

Parameters

handle

A cURL handle returned by curl_init().

Return Values

Returns a new cURL handle, or false on failure.

Changelog

Version Description
8.0.0 handle expects a CurlHandle instance now; previously, a resource was expected.
8.0.0 On success, this function returns a CurlHandle instance now; previously, a resource was returned.

Examples

Example #1 Copying a cURL handle

<?php
// create a new cURL resource
$ch = curl_init();

// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, 'http://www.example.com/');
curl_setopt($ch, CURLOPT_HEADER, 0);

// copy the handle
$ch2 = curl_copy_handle($ch);

// grab URL (http://www.example.com/) and pass it to the browser
curl_exec($ch2);

// close cURL resources, and free up system resources
curl_close($ch2);
curl_close($ch);
?>

add a note

User Contributed Notes 3 notes

up
5
administrator at proxy-list dot org
16 years ago
There is some internal curl error (CURLE_FAILED_INIT) when you are trying to use just copied curl handle in curl_multi_add_handle(). I have checked the same problematic PHP code but with little difference: instead of creating curl’s copy I have used the original one (template). As I expect code works without any error. I think curl_multi_* along with curl_copy_handle() is still raw and needs some improvements.

With best wishes

Vitali Simsive
up
-7
Andrew
16 years ago
You can use it for some kind of templates:

<?php
$ch
= array();
$ch[0] = curl_init();
curl_setopt($ch[0], CURLOPT_URL, 'http://beengo.net/');
curl_setopt($ch[0], CURLOPT_HEADER, 0);
curl_setopt($ch[0], CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch[0], CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch[0], CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);

$ch[1] = curl_copy_handle($ch[0]);
curl_setopt($ch[1], CURLOPT_URL, 'http://beengo.net/cells/list');

$ch[2] = curl_copy_handle($ch[0]);
curl_setopt($ch[2], CURLOPT_URL, 'http://beengo.net/cells/list?q=travel');

/* And so on, when you need to get number of pages with same parameters... */

?>
up
-15
ac221 at sussex dot ac dot uk
15 years ago
Hmm I don't have a problem with this, using PHP 5.2.5 libcurl 7.16.3 maybe it's been fixed ...

I am m having trouble getting curl_copy_handle to copy all the curlopts across though...

protected function curlMultiPrime(array $reqArr){
// Store the request array so we can reinitialise the multi handle
$this->reqArr = $reqArr;
// Close existing curl uni handles
$this->closeMultiCurlUniHandles();
foreach($reqArr as $curlConf){
if(!($curlConf instanceof curlConfRequest ))
throw new curlConfException('All objects passed to configure requests must be instances of curlConfRequest.',curlConfException::CURL_INVALID_CONF_OBJ);
if(!$cch = curl_copy_handle($this->curlHandle)){
throw new curlException('Failed to clone template curl handle.',$this->curlHandle);
}else{
curl_setopt_array($cch,$curlConf->getCurlOpts());
}
if(curl_multi_add_handle($this->curlMultiHandle,$cch) === 0){
$this->curlUniHandleRef[] = $cch;
}else{
throw new curlException('Failed to add curl handle to multi stack.',$cch);
}
}
}
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