1<documentation title="For Loop Declarations"> 2 <standard> 3 <![CDATA[ 4 In a for loop declaration, there should be no space inside the brackets and there should be 0 spaces before and 1 space after semicolons. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: Correct spacing used."> 9 <![CDATA[ 10for (<em></em>$i = 0; $i < 10; $i++<em></em>) { 11 echo $i; 12} 13]]> 14 </code> 15 <code title="Invalid: Invalid spacing used inside brackets."> 16 <![CDATA[ 17for (<em> </em>$i = 0; $i < 10; $i++<em> </em>) { 18 echo $i; 19} 20]]> 21 </code> 22 </code_comparison> 23 <code_comparison> 24 <code title="Valid: Correct spacing used."> 25 <![CDATA[ 26for ($i = 0<em></em>; $i < 10<em></em>; $i++) { 27 echo $i; 28} 29]]> 30 </code> 31 <code title="Invalid: Invalid spacing used before semicolons."> 32 <![CDATA[ 33for ($i = 0<em> </em>; $i < 10<em> </em>; $i++) { 34 echo $i; 35} 36]]> 37 </code> 38 </code_comparison> 39 <code_comparison> 40 <code title="Valid: Correct spacing used."> 41 <![CDATA[ 42for ($i = 0;<em> </em>$i < 10;<em> </em>$i++) { 43 echo $i; 44} 45]]> 46 </code> 47 <code title="Invalid: Invalid spacing used after semicolons."> 48 <![CDATA[ 49for ($i = 0;<em></em>$i < 10;<em></em>$i++) { 50 echo $i; 51} 52]]> 53 </code> 54 </code_comparison> 55</documentation> 56