src/AmazonPaymentBundle/lib/amazon/OffAmazonPaymentsService/Client.php
private function quoteAttributeName($s) {
	    $quotedString = $this->collapseWhitespace($s);
	    $quotedString = preg_replace('/\\\\/', '\\\\\\\\', $quotedString);
	    $quotedString = preg_replace('/\\=/', '\\=', $quotedString);
	
	    return $quotedString;
    }
private function quoteAttributeName($s) {
	    $quotedString = $this->collapseWhitespace($s);
	    $quotedString = preg_replace('/\\\\/', '\\\\\\\\', $quotedString);
	    $quotedString = preg_replace('/\\=/', '\\=', $quotedString);
	
	    return $quotedString;
    }
private function quoteAttributeName ( $ s ) { $ quotedString = $ this -> collapseWhitespace ( $ s ) ; $ quotedString = preg_replace ( '/\\\\/' , '\\\\\\\\' , $ quotedString ) ; $ quotedString = preg_replace ( '/\\=/' , '\\=' , $ quotedString ) ; return $ quotedString ; }
Collapse multiple whitespace characters into a single ' ' and backslash escape '\',
and '=' characters from a string.

@param $s
@return unknown_type
Collapse multiple whitespace characters into a single and backslash escape \ and = characters from a string .