an IF and ELSE function
cannot function if it has too many conditions or its just my codes are wrong??

cause the ELSE didnt show up.

if ( (isset($_POST['submit'])) && ( (isset($_POST['pica10'])) || (isset($_POST['pica14'])) || (isset($_POST['pica18'])) || (isset($_POST['pgata10'])) || (isset($_POST['pgata14'])) || (isset($_POST['pgata18']))   
	|| (isset($_POST['mmec10'])) || (isset($_POST['mmec14'])) || (isset($_POST['mmec18'])) || (isset($_POST['mpae10'])) || (isset($_POST['mpae14'])) || (isset($_POST['mpae18'])) || (isset($_POST['mpica10'])) || (isset($_POST['mpica14'])) || (isset($_POST['mpica18'])) 
	|| (isset($_POST['mrel110'])) || (isset($_POST['mrel114'])) || (isset($_POST['mrel118'])) || (isset($_POST['coke'])) || (isset($_POST['cokezero'])) || (isset($_POST['spr'])) || (isset($_POST['minmaid']))  ))
	{
	## the following prevent undefined error beyond the php 5.2.X versions.
	$s1_quant = "";
	$m1_quant = "";
	$l1_quant = "";
	$s2_quant = "";
	$m2_quant = "";
	$l2_quant = "";
	$s3_quant = "";
	$m3_quant = "";
	$l3_quant = "";
	$s4_quant = "";
	$m4_quant = "";
	$l4_quant = "";
	$s5_quant = "";
	$m5_quant = "";
	$l5_quant = "";
	$s6_quant = "";
	$m6_quant = "";
	$l6_quant = "";
	$ck_quant = "";
	$ckz_quant = "";
	$spr_quant = "";
	$min_quant = "";
	
	$s1_cost = "";
	$m1_cost = "";
	$l1_cost = "";
	
	$s2_cost = "";
	$m2_cost = "";
	$l2_cost = "";
	
	$s3_cost = "";
	$m3_cost = "";
	$l3_cost = "";
	
	$s4_cost = "";
	$m4_cost = "";
	$l4_cost = "";
	
	$s5_cost = "";
	$m5_cost = "";
	$l5_cost = "";
	
	$s6_cost = "";
	$m6_cost = "";
	$l6_cost = "";
	
	$ck_cost = "";
	$ckz_cost = "";
	$spr_cost = "";
	$min_cost = "";
	 echo "<center><h2>Order Summary</h2></center>";
	## process the form. What matters here the most is to know if the checkbox is ticked
	## process small pizza if it is tick.
		if(!empty($_POST['pica10'])){
		$s1_quant = $_POST['sq1'];
		echo "<b>Pizza CarneNorte: 10 inches pizza</b><br/>Quantity: ".$s1_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s1_cost = 300 * ( $s1_quant);
		echo "Price: ".$s1_cost."<br/>";
		}
		
		if(!empty($_POST['pica14'])){
		$m1_quant = $_POST['mq1'];
		echo "<b>	Pizza CarneNorte: 14 inches pizza</b><br/>Quantity: ".$m1_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m1_cost = 450 * ( $m1_quant);
		echo "Price: ".$m1_cost."<br/>";
		}
		if(!empty($_POST['pica18'])){
		$l1_quant = $_POST['lq1'];
		echo "<b>	Pizza CarneNorte: 18 inches pizza</b><br/>Quantity: ".$l1_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l1_cost = 650 * ( $l1_quant);
		echo "Price: ".$l1_cost."<br/>";
		}
		
		if(!empty($_POST['pgata10'])){
		$s2_quant = $_POST['sq2'];
		echo "<b>	Pizza Gata: 10 inches pizza</b><br/>Quantity: ".$s2_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s2_cost = 350 * ( $s2_quant);
		echo "Price: ".$s2_cost."<br/>";
		}
		
		if(!empty($_POST['pgata14'])){
		$m2_quant = $_POST['mq2'];
		echo "<b>	Pizza Gata: 14 inches pizza</b><br/>Quantity: ".$m2_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m2_cost = 550 * ( $m2_quant);
		echo "Price: ".$m2_cost."<br/>";
		}
		if(!empty($_POST['pgata18'])){
		$l2_quant = $_POST['lq2'];
		echo "<b>	Pizza Gata: 18 inches pizza</b><br/>Quantity: ".$l2_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l2_cost = 750 * ( $l2_quant);
		echo "Price: ".$l2_cost."<br/>";
		}
		
		if(!empty($_POST['mmec10'])){
		$s3_quant = $_POST['sq3'];
		echo "<b>	Pizza Mechado: 10 inches pizza</b><br/>Quantity: ".$s3_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s3_cost = 380 * ( $s3_quant);
		echo "Price: ".$s3_cost."<br/>";
		}
		
		if(!empty($_POST['mmec14'])){
		$m3_quant = $_POST['mq3'];
		echo "<b>	Pizza Mechado: 14 inches pizza</b><br/>Quantity: ".$m3_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m3_cost = 550 * ( $m3_quant);
		echo "Price: ".$m3_cost."<br/>";
		}
		if(!empty($_POST['mmec18'])){
		$l3_quant = $_POST['lq3'];
		echo "<b>	Pizza Mechado: 18 inches pizza</b><br/>Quantity: ".$l3_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l3_cost = 790 * ( $l3_quant);
		echo "Price: ".$l3_cost."<br/>";
		}
		
		if(!empty($_POST['mpae10'])){
		$s4_quant = $_POST['sq4'];
		echo "<b>	Pizza Paella: 10 inches pizza</b><br/>Quantity: ".$s4_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s4_cost = 350 * ( $s4_quant);
		echo "Price: ".$s4_cost."<br/>";
		}
		
		if(!empty($_POST['mpae14'])){
		$m4_quant = $_POST['mq4'];
		echo "<b>	Pizza Paella 14 inches pizza</b><br/>Quantity: ".$m4_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m4_cost = 520 * ( $m4_quant);
		echo "Price: ".$m4_cost."<br/>";
		}
		if(!empty($_POST['mpae18'])){
		$l4_quant = $_POST['lq4'];
		echo "<b>	Pizza Paella: 18 inches pizza</b><br/>Quantity: ".$l4_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l4_cost = 700 * ( $l4_quant);
		echo "Price: ".$l4_cost."<br/>";
		}
		
		if(!empty($_POST['mpica10'])){
		$s5_quant = $_POST['sq5'];
		echo "<b>	Pizza Picadillo: 10 inches pizza</b><br/>Quantity: ".$s5_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s5_cost = 280 * ( $s5_quant);
		echo "Price: ".$s5_cost."<br/>";
		}
		
		if(!empty($_POST['mpica14'])){
		$m5_quant = $_POST['mq5'];
		echo "<b>	Pizza Picadillo: 14 inches pizza</b><br/>Quantity: ".$m5_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m5_cost = 350 * ( $m5_quant);
		echo "Price: ".$m5_cost."<br/>";
		}
		if(!empty($_POST['mpica18'])){
		$l5_quant = $_POST['lq5'];
		echo "<b>	Pizza Picadillo: 18 inches pizza</b><br/>Quantity: ".$l5_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l5_cost = 450 * ( $l5_quant);
		echo "Price: ".$l5_cost."<br/>";
		}
		
		if(!empty($_POST['mrel110'])){
		$s6_quant = $_POST['sq6'];
		echo "<b>	Pizza Relleno: 10 inches pizza</b><br/>Quantity: ".$s6_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$s6_cost = 300 * ( $s6_quant);
		echo "Price: ".$s6_cost."<br/>";
		}
		
		if(!empty($_POST['mrel114'])){
		$m6_quant = $_POST['mq6'];
		echo "<b>	Pizza Relleno: 14 inches pizza</b><br/>Quantity: ".$m6_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$m6_cost = 450 * ( $m6_quant);
		echo "Price: ".$m6_cost."<br/>";
		}
		if(!empty($_POST['mrel118'])){
		$l6_quant = $_POST['lq6'];
		echo "<b>	Pizza Relleno: 18 inches pizza</b><br/>Quantity: ".$l6_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$l6_cost = 650 * ( $l6_quant);
		echo "Price: ".$l6_cost."<br/>";
		}
		if(!empty($_POST['coke'])){
		$ck_quant = $_POST['cok'];
		echo "<b>	Coke: 1.5 Liters</b><br/>Quantity: ".$ck_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$ck_cost = 50 * ( $ck_quant);
		echo "Price: ".$ck_cost."<br/>";
		}
		if(!empty($_POST['cokezero'])){
		$ckz_quant = $_POST['cokzer'];
		echo "<b>	Coke Zero: 1.5 Liters</b><br/>Quantity: ".$ckz_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$ckz_cost = 55 * ( $ckz_quant);
		echo "Price: ".$ckz_cost."<br/>";
		}
		if(!empty($_POST['spr'])){
		$spr_quant = $_POST['spr'];
		echo "<b>	Sprite: 1.25 Liters</b><br/>Quantity: ".$spr_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$spr_cost = 50 * ( $spr_quant);
		echo "Price: ".$spr_cost."<br/>";
		}
		if(!empty($_POST['minmaid'])){
		$min_quant = $_POST['min'];
		echo "<b>	Minute Maid (Pulpy Orange): 18 inches pizza</b><br/>Quantity: ".$min_quant."<br/>";
		## always wrap var for mathematical calculation with parenthesis
		$min_cost = 60 * ( $min_quant);
		echo "Price: ".$min_cost."<br/>";
		}
		
		
		
 $total_gross = (($s1_cost) + ($m1_cost) + ($l1_cost) + ($s2_cost) + ($m2_cost) + ($l2_cost) + ($s3_cost) + ($m3_cost) + ($l3_cost) + ($s4_cost) + ($m4_cost) + ($l4_cost) + ($s5_cost) + ($m5_cost) + ($l5_cost) + ($s6_cost) + ($m6_cost) + ($l6_cost)
				+ ($ck_cost) + ($ckz_cost) + ($spr_cost) + ($min_cost));


 
 echo '<br><font color="#FF9331"><b>Total Amount Due: </font></b>';
 echo "You must pay: ".$total_gross."<br/>";
 echo '<center><h3><font color="#FF800D">Are you sure you want to order these?</font></h3>';
 echo '<a href="ordcon.php">Yes, submit the form. </a>';
 echo " | ";
 echo '<a href="userhome.php" > Let me choose again.</a>';

 }
 
 else{

   echo "<center><h2>You haven't filled the form correctly.</h2>";
   echo "<h3>Note: Be sure you check the pizza inch and input the quantity. </h3>";
    echo '<a href="userhome.php" >Im sorry, gonna order again.</a>';
   }
   ?>

try this:

if (
 ( isset($_POST['submit']) && isset($_POST['pica10']) ) # submit & pica10
 || isset($_POST['pica14']) # from here single conditions
 || isset($_POST['pica18'])
 || isset($_POST['pgata10'])
 || isset($_POST['pgata14'])
 || isset($_POST['pgata18'])   
 || isset($_POST['mmec10'])
 || isset($_POST['mmec14'])
 || isset($_POST['mmec18'])
 || isset($_POST['mpae10'])
 || isset($_POST['mpae14'])
 || isset($_POST['mpae18'])
 || isset($_POST['mpica10'])
 || isset($_POST['mpica14'])
 || isset($_POST['mpica18']) 
 || isset($_POST['mrel110'])
 || isset($_POST['mrel114'])
 || isset($_POST['mrel118'])
 || isset($_POST['coke'])
 || isset($_POST['cokezero'])
 || isset($_POST['spr'])
 || isset($_POST['minmaid'])
)

nothing happened :(
ugh its working b4,until ive added alot values..

What is the sample data you are working with? What are you posting to the page?

a computation for the total of pizza delivery..
if the checkboxes(for chosing the pizza size) were not been checked, the 'else' should come up.
but it doesnt.:(

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