PHP IF Statement - Sectioning off multiple conditions -

it seems inefficient me write multiple conditions same action,,, example

if ( (condition_one || (condition_two && condition_three) ) {     // ... } elseif ( condition_two && condition_three) {     // same before ... } else {     // ... } 

would there valid approach accomplishing this? condition_two , condition_three have executed separately condition_one...

if ( (condition_one || (condition_two && condition_three) ) {     // ... } else {     // ... } 

in other words,,, there way, unaware of, this:

if ( ( $a < $b || ( $a <= $b && $c = $d ) ) {     echo 'foo'; } else {     echo 'bar'; }   

rather this:

if ( ( $a < $b ) {     echo 'foo'; } elseif ( $a <= $b && $c = $d ) {     echo 'foo'; } else {     echo 'bar'; } 

you can test easy had paren

<?php  function testnest($a, $b, $c, $d){     if ($a < $b || ( $a <= $b && $c = $d )) {         echo 'foo';     } else {         echo 'bar';     } }   testnest(3, 2, 3, 2); //bar testnest(1, 2, 3, 2); //foo  function testelif($a, $b, $c, $d){     if ($a < $b ){         echo 'foo';     } elseif ( $a <= $b && $c = $d ) {         echo 'foo';     } else {         echo 'bar';     } }  testelif(3, 2, 3, 2); //bar testelif(1, 2, 3, 2); //foo 

i'll let come more examples there no need elseif