function _read()
    {
        $fp = @fopen($this->_file, "rb");
        if ($fp) {
	    if ($this->_fileLocking) @flock($fp, LOCK_SH);
            clearstatcache();
            $length = @filesize($this->_file);
            $mqr = get_magic_quotes_runtime();
            if ($mqr) {
                set_magic_quotes_runtime(0);
            }
            if ($this->_readControl) {
                $hashControl = @fread($fp, 32);
                $length = $length - 32;
            }

            if ($length) {
                $data = '';
                // See https://bugs.php.net/bug.php?id=30936
                // The 8192 magic number is the chunk size used internally by PHP.
                while(!feof($fp)) $data .= fread($fp, 8192);
            } else {
                $data = '';
            }
            if ($mqr) {
                set_magic_quotes_runtime($mqr);
            }
            if ($this->_fileLocking) @flock($fp, LOCK_UN);
            @fclose($fp);
            if ($this->_readControl) {
                $hashData = $this->_hash($data, $this->_readControlType);
                if ($hashData != $hashControl) {
                    if (!(is_null($this->_lifeTime))) {
                        @touch($this->_file, time() - 2*abs($this->_lifeTime)); 
                    } else {
                        @unlink($this->_file);
                    }
                    return false;
                }
            }
            return $data;
        }
        return $this->raiseError('Cache_Lite : Unable to read cache !', -2); 
    }
function _read()
    {
        $fp = @fopen($this->_file, "rb");
        if ($fp) {
	    if ($this->_fileLocking) @flock($fp, LOCK_SH);
            clearstatcache();
            $length = @filesize($this->_file);
            $mqr = get_magic_quotes_runtime();
            if ($mqr) {
                set_magic_quotes_runtime(0);
            }
            if ($this->_readControl) {
                $hashControl = @fread($fp, 32);
                $length = $length - 32;
            }

            if ($length) {
                $data = '';
                // See https://bugs.php.net/bug.php?id=30936
                // The 8192 magic number is the chunk size used internally by PHP.
                while(!feof($fp)) $data .= fread($fp, 8192);
            } else {
                $data = '';
            }
            if ($mqr) {
                set_magic_quotes_runtime($mqr);
            }
            if ($this->_fileLocking) @flock($fp, LOCK_UN);
            @fclose($fp);
            if ($this->_readControl) {
                $hashData = $this->_hash($data, $this->_readControlType);
                if ($hashData != $hashControl) {
                    if (!(is_null($this->_lifeTime))) {
                        @touch($this->_file, time() - 2*abs($this->_lifeTime)); 
                    } else {
                        @unlink($this->_file);
                    }
                    return false;
                }
            }
            return $data;
        }
        return $this->raiseError('Cache_Lite : Unable to read cache !', -2); 
    }
function _read ( ) { $ fp = @ fopen ( $ this -> _file , "rb" ) ; if ( $ fp ) { if ( $ this -> _fileLocking ) @ flock ( $ fp , LOCK_SH ) ; clearstatcache ( ) ; $ length = @ filesize ( $ this -> _file ) ; $ mqr = get_magic_quotes_runtime ( ) ; if ( $ mqr ) { set_magic_quotes_runtime ( 0 ) ; } if ( $ this -> _readControl ) { $ hashControl = @ fread ( $ fp , 32 ) ; $ length = $ length - 32 ; } if ( $ length ) { $ data = '' ; // See https://bugs.php.net/bug.php?id=30936 // The 8192 magic number is the chunk size used internally by PHP. while ( ! feof ( $ fp ) ) $ data .= fread ( $ fp , 8192 ) ; } else { $ data = '' ; } if ( $ mqr ) { set_magic_quotes_runtime ( $ mqr ) ; } if ( $ this -> _fileLocking ) @ flock ( $ fp , LOCK_UN ) ; @ fclose ( $ fp ) ; if ( $ this -> _readControl ) { $ hashData = $ this -> _hash ( $ data , $ this -> _readControlType ) ; if ( $ hashData != $ hashControl ) { if ( ! ( is_null ( $ this -> _lifeTime ) ) ) { @ touch ( $ this -> _file , time ( ) - 2 * abs ( $ this -> _lifeTime ) ) ; } else { @ unlink ( $ this -> _file ) ; } return false ; } } return $ data ; } return $ this -> raiseError ( 'Cache_Lite : Unable to read cache !' , - 2 ) ; }
Read the cache file and return the content

@return string content of the cache file (else : false or a PEAR_Error object)
@access private
Read the cache file and return the content