1<documentation title="Elseif Declarations"> 2 <standard> 3 <![CDATA[ 4 PHP's elseif keyword should be used instead of else if. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: Single word elseif keyword used."> 9 <![CDATA[ 10if ($foo) { 11 $var = 1; 12} <em>elseif</em> ($bar) { 13 $var = 2; 14} 15 ]]> 16 </code> 17 <code title="Invalid: Separate else and if keywords used."> 18 <![CDATA[ 19if ($foo) { 20 $var = 1; 21} <em>else if</em> ($bar) { 22 $var = 2; 23} 24 ]]> 25 </code> 26 </code_comparison> 27</documentation> 28