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Alternative syntax for control structures

PHP offers an alternative syntax for some of its control structures; namely, if, while, for, foreach, and switch. In each case, the basic form of the alternate syntax is to change the opening brace to a colon (:) and the closing brace to endif;, endwhile;, endfor;, endforeach;, or endswitch;, respectively.

<?php if ($a == 5): ?>
A is equal to 5
<?php endif; ?>

In the above example, the HTML block "A is equal to 5" is nested within an if statement written in the alternative syntax. The HTML block would be displayed only if $a is equal to 5.

The alternative syntax applies to else and elseif as well. The following is an if structure with elseif and else in the alternative format:

<?php
if ($a == 5):
   echo
"a equals 5";
   echo
"...";
elseif (
$a == 6):
   echo
"a equals 6";
   echo
"!!!";
else:
   echo
"a is neither 5 nor 6";
endif;
?>

See also while, for, and if for further examples.