Version avec modules séparés !
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251
modules/blogs/includes/CURL.php
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251
modules/blogs/includes/CURL.php
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<?php
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/**
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* OO cURL Class
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* Object oriented wrapper for the cURL library.
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* @author David Hopkins (semlabs.co.uk)
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* @version 0.3
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*/
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class CURL
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{
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public $sessions = array();
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public $retry = 0;
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/**
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* Adds a cURL session to stack
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* @param $url string, session's URL
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* @param $opts array, optional array of cURL options and values
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*/
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public function addSession( $url, $opts = false )
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{
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$this->sessions[] = curl_init( $url );
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if( $opts != false )
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{
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$key = count( $this->sessions ) - 1;
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$this->setOpts( $opts, $key );
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}
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}
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/**
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* Sets an option to a cURL session
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* @param $option constant, cURL option
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* @param $value mixed, value of option
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* @param $key int, session key to set option for
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*/
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public function setOpt( $option, $value, $key = 0 )
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{
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curl_setopt( $this->sessions[$key], $option, $value );
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}
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/**
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* Sets an array of options to a cURL session
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* @param $options array, array of cURL options and values
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* @param $key int, session key to set option for
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*/
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public function setOpts( $options, $key = 0 )
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{
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curl_setopt_array( $this->sessions[$key], $options );
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}
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/**
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* Executes as cURL session
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* @param $key int, optional argument if you only want to execute one session
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*/
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public function exec( $key = false )
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{
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$no = count( $this->sessions );
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if( $no == 1 )
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$res = $this->execSingle();
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elseif( $no > 1 ) {
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if( $key === false )
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$res = $this->execMulti();
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else
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$res = $this->execSingle( $key );
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}
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if( $res )
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return $res;
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}
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/**
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* Executes a single cURL session
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* @param $key int, id of session to execute
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* @return array of content if CURLOPT_RETURNTRANSFER is set
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*/
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public function execSingle( $key = 0 )
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{
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if( $this->retry > 0 )
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{
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$retry = $this->retry;
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$code = 0;
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while( $retry >= 0 && ( $code[0] == 0 || $code[0] >= 400 ) )
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{
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$res = curl_exec( $this->sessions[$key] );
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$code = $this->info( $key, CURLINFO_HTTP_CODE );
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$retry--;
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}
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}
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else
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$res = curl_exec( $this->sessions[$key] );
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return $res;
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}
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/**
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* Executes a stack of sessions
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* @return array of content if CURLOPT_RETURNTRANSFER is set
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*/
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public function execMulti()
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{
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$mh = curl_multi_init();
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#Add all sessions to multi handle
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foreach ( $this->sessions as $i => $url )
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curl_multi_add_handle( $mh, $this->sessions[$i] );
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do
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$mrc = curl_multi_exec( $mh, $active );
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while ( $mrc == CURLM_CALL_MULTI_PERFORM );
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while ( $active && $mrc == CURLM_OK )
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{
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if ( curl_multi_select( $mh ) != -1 )
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{
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do
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$mrc = curl_multi_exec( $mh, $active );
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while ( $mrc == CURLM_CALL_MULTI_PERFORM );
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}
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}
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if ( $mrc != CURLM_OK )
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echo "Curl multi read error $mrc\n";
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#Get content foreach session, retry if applied
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foreach ( $this->sessions as $i => $url )
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{
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$code = $this->info( $i, CURLINFO_HTTP_CODE );
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if( $code[0] > 0 && $code[0] < 400 )
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$res[] = curl_multi_getcontent( $this->sessions[$i] );
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else
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{
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if( $this->retry > 0 )
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{
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$retry = $this->retry;
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$this->retry -= 1;
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$eRes = $this->execSingle( $i );
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if( $eRes )
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$res[] = $eRes;
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else
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$res[] = false;
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$this->retry = $retry;
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echo '1';
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}
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else
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$res[] = false;
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}
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curl_multi_remove_handle( $mh, $this->sessions[$i] );
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}
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curl_multi_close( $mh );
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return $res;
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}
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/**
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* Closes cURL sessions
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* @param $key int, optional session to close
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*/
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public function close( $key = false )
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{
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if( $key === false )
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{
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foreach( $this->sessions as $session )
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curl_close( $session );
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}
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else
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curl_close( $this->sessions[$key] );
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}
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/**
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* Remove all cURL sessions
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*/
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public function clear()
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{
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foreach( $this->sessions as $session )
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curl_close( $session );
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unset( $this->sessions );
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}
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/**
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* Returns an array of session information
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* @param $key int, optional session key to return info on
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* @param $opt constant, optional option to return
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*/
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public function info( $key = false, $opt = false )
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{
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if( $key === false )
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{
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foreach( $this->sessions as $key => $session )
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{
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if( $opt )
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$info[] = curl_getinfo( $this->sessions[$key], $opt );
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else
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$info[] = curl_getinfo( $this->sessions[$key] );
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}
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}
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else
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{
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if( $opt )
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$info[] = curl_getinfo( $this->sessions[$key], $opt );
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else
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$info[] = curl_getinfo( $this->sessions[$key] );
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}
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return $info;
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}
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/**
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* Returns an array of errors
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* @param $key int, optional session key to retun error on
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* @return array of error messages
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*/
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public function error( $key = false )
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{
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if( $key === false )
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{
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foreach( $this->sessions as $session )
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$errors[] = curl_error( $session );
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}
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else
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$errors[] = curl_error( $this->sessions[$key] );
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return $errors;
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}
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/**
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* Returns an array of session error numbers
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* @param $key int, optional session key to retun error on
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* @return array of error codes
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*/
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public function errorNo( $key = false )
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{
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if( $key === false )
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{
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foreach( $this->sessions as $session )
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$errors[] = curl_errno( $session );
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}
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else
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$errors[] = curl_errno( $this->sessions[$key] );
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return $errors;
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}
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}
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?>
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