Check for CoreParserFunction::urlFunction from array to boolean
and return values accordingly to htmlspecialchars()

PHP Warning: htmlspecialchars() expects parameter 1 to be string,
array given in CoreParserFunctions.php on line 212
Checked for the return value of urlFunction in localurle() and fullurle()
function

Bug: 59881
Change-Id: I7ae092f89b9cfbbe91d1883c2182ca5907825ba4
Merge "Check for CoreParserFunction::urlFunction from array to boolean and return values accordingly to htmlspecialchars()"