File: CURLQuery.php

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File: CURLQuery.php
Role: Application script
Content type: text/plain
Description: Curl Script
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Date: 6 years ago
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<?php
class CURLQuery {

    protected
$_post;
    protected
$_options;
    protected
$_ch;

    public function
__construct($url) {
        if (!
extension_loaded('curl')) {
            throw new
Exception("cURL extension not enabled.");
        }
       
$this->_ch = curl_init($url);
       
$this->_options = array();
    }

    public function
__get($name) {
       
$resultat = NULL;
        if (
defined($name)) {
           
$value = constant($name);
            if (isset(
$this->_options[$value])) {
               
$resultat = $this->_options[$value];
            }
        }
        return
$resultat;
    }

    public function
__set($name, $value) {
        if (
defined($name) && preg_match('/^CURLOPT_(?!POSTFIELDS)/', $name)) {
           
$this->_options[constant($name)] = $value;
        } else {
            throw new
Exception("Invalid or protected option '$name'.");
        }
    }

    public function
__isset($name) {
        return (
defined($name) && isset($this->_options[constant($name)]) );
    }

    public function
__unset($name) {
        if (
defined($name) && isset($this->_options[constant($name)])) {
            unset(
$this->_options[constant($name)]);
        }
    }

    public function
__toString() {
        return
sprintf("%s (%s)", __CLASS__, curl_getinfo($this->_ch, CURLINFO_EFFECTIVE_URL));
    }

    public function
setTimeout($timeout) {
       
$timeout = intval($timeout);
        if (
$timeout > 0) {
           
$this->CURLOPT_TIMEOUT = $timeout;
           
$this->CURLOPT_CONNECTTIMEOUT = $timeout;
        }
    }

    public function
addPostData($field_name, $value) {
        if (!isset(
$this->_post[$field_name]) && !is_array($value)) {
           
$this->_post[$field_name] = $value;
            return
TRUE;
        } else {
            return
FALSE;
        }
    }

    public function
addPostFile($field_name, $file) {
        if (
is_file($file)) {
           
$this->_post[$field_name] = '@' . realpath($file);
        } else {
            throw new
Exception("The file '$file' does not exist or is not a regular file");
        }
    }

    public function
doRequest($output_file = FALSE) {
        if (
$this->_options) {
            if (
function_exists('curl_setopt_array')) {
               
curl_setopt_array($this->_ch, $this->_options);
            } else {
                foreach (
$this->_options as $option => $value) {
                   
curl_setopt($this->_ch, $option, $value);
                }
            }
        }
        if (
$output_file) {
            @
$fp = fopen($output_file, 'w');
            if (!
$fp) {
                throw new
Exception("Can not open file '$output_file' for writing.");
            }
           
curl_setopt($this->_ch, CURLOPT_FILE, $fp);
        } else {
           
curl_setopt($this->_ch, CURLOPT_RETURNTRANSFER, TRUE);
        }
        if (
$this->_post) {
           
curl_setopt($this->_ch, CURLOPT_POST, TRUE);
           
curl_setopt($this->_ch, CURLOPT_POSTFIELDS, $this->_post);
        }
       
$ret = curl_exec($this->_ch);
        if (
$output_file) {
           
fclose($fp);
        }
        if (
$ret === FALSE) {
            throw new
Exception("An error occurred : '" . curl_error($this->_ch) . "'");
        }
        return
$ret;
    }

    public function
__destruct() {
        unset(
$this->_options);
        unset(
$this->_post);
       
curl_close($this->_ch);
    }

}


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