1<documentation title="Forbidden Functions"> 2 <standard> 3 <![CDATA[ 4 The forbidden functions sizeof() and delete() should not be used. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: count() is used in place of sizeof()."> 9 <![CDATA[ 10$foo = <em>count</em>($bar); 11 ]]> 12 </code> 13 <code title="Invalid: sizeof() is used."> 14 <![CDATA[ 15$foo = <em>sizeof</em>($bar); 16 ]]> 17 </code> 18 </code_comparison> 19</documentation> 20