$result = func1( $var++ ) op func2( $var );

##</code><code>##

	$temp1 = func1( $var++ );
	$temp2 = func2( $var );
	$results = $temp1 op $temp2;

##</code><code>##

	$temp1 = func1( $var );
	$temp2 = func2( ++$var );
	$result = $temp1 op $temp2;

##</code><code>##

	$result = func1( $var++ ) op func2( $var );