1<documentation title="Cast Whitespace"> 2 <standard> 3 <![CDATA[ 4 Casts should not have whitespace inside the parentheses. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: No spaces."> 9 <![CDATA[ 10$foo = (<em></em>int<em></em>)'42'; 11]]> 12 </code> 13 <code title="Invalid: Whitespace used inside parentheses."> 14 <![CDATA[ 15$foo = (<em> </em>int<em> </em>)'42'; 16]]> 17 </code> 18 </code_comparison> 19</documentation> 20