if() endif alternative syntax

if (expression):
?>
 statement
endif
?>

The above writing method is an alternative syntax for PHP process control.
There are several alternative syntaxes in PHP flow control:
if,while,forforeach,switch
The basic form of the alternative syntax is:
Replace the opening brace ({) on the left side of the flow control statement with a colon (:), and the closing brace (}) on the right side can be replaced with endif or endwhile or endfor or endforeach or even endswitch.

endif