<documentation title="Cast Structure Spacing"> <standard> <![CDATA[ A type cast should be preceded by whitespace. There is only one exception to this rule: when the cast is preceded by the spread operator there should be no space between the spread operator and the cast. ]]> </standard> <code_comparison> <code title="Valid: space before typecast."> <![CDATA[ $a =<em> </em>(int) '420'; // No space between spread operator and cast. $a = function_call( <em>...(array)</em> $mixed ); ]]> </code> <code title="Invalid: no space before typecast."> <![CDATA[ $a <em>=(</em>int) '420'; ]]> </code> </code_comparison> </documentation>