PHP curl_setopt() function usage and example

PHP CURL Reference Manual

(PHP 4 >= 4.0.2, PHP 5)

curl_setopt — Set a CURL transfer option.

syntax

bool curl_setopt ( resource $ch , int $option , mixed $value )

Set an option for the given CURL session handle.

parameter

ch

The CURL handle returned by curl_init().

option

The CURLOPT_XXX option that needs to be set.

value

The value set on the option option.

For the optional parameters of the following options, the value should be set to a bool type value:

.

For the following optional parameters of the option, the value should be set to a string type:

For the following optional parameters of these options, the value should be set to an array:

For the following optional parameters of these options, the value should be set to a stream resource (for example, using fopen()):

For the optional parameters of the following options, the value should be set to a callback function name:

Return Value

Returns TRUE on success, or FALSE on failure.

Update Log

Online Example

Initialize a new CURL session and get a web page

<?php
//　Create a new CURL resource
$ch = curl_init();
//　Set the URL and corresponding options
curl_setopt($ch, CURLOPT_URL, "http://www.oldtoolbag.com/");
curl_setopt($ch, CURLOPT_HEADER, false);
//　Fetch the URL and pass it to the browser
curl_exec($ch);
//Close the CURL resource and release the system resources
curl_close($ch);
?>

File Upload Example:

<?php
/*　http://localhost/upload.php:
print_r($_POST);
print_r($_FILES);
*/
$ch = curl_init();
$data = array('name' => 'Foo', 'file' => '@/home/user/test.png');
curl_setopt($ch, CURLOPT_URL, 'http://localhost/upload.php');
curl_setopt($ch, CURLOPT_POST,　1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_exec($ch);
?>

The output result of the above example is as follows:

Array
(
　　　　[name] => Foo
)
Array
(
　　　　[file] => Array
　　　　　　　　(
　　　　　　　　　　　　[name] => test.png
　　　　　　　　　　　　[type] => image/png
　　　　　　　　　　　　[tmp_name] =>　/tmp/phpcpjNeQ
　　　　　　　　　　　　[error] => 0
　　　　　　　　　　　　[size] =>　279
　　　　　　　　)
)

Comment

Pass an array to CURLOPT_POSTFIELDS, and CURL will encode the data into multipart/form-data, and then pass a URL-When encoded strings, the data will be encoded into application/x-www-form-urlencoded.

PHP CURL Reference Manual