decrement??

[anser316]

this is stored inside the while loop

 

while ($itemquan>0) {

$itemquan=$itemquan-$stock;}

how can i get the new itemquan into the one in brackets

i.e.

while (5>0) {

4=5-1;}

 

and then

while (4>0) {

3=4-1;}

 

I get the error

Fatal error: Maximum execution time of 30 seconds exceeded in ...

how can i get the $itemquan to change?

[jonsjava]

it works just fine (according to this example script):

<?php
$itemquan = 10;
$stock = 1;
while ($itemquan>0) {
$itemquan=$itemquan-$stock;
print $itemquan;
}

[anser316]

While ($itemquan>0) {  // run while quantity is not 0

$stock=$row2['stock'];

$date=$row2['sell_by_date'];

if ($itemquan>=$stock) { // if quantity is bigger than stock in sellby date, e.g. quant=5, stock=1

$itemquan=$itemquan-$stock; //quan=4

$newstock=0;} // stock=0, end loop, insert stock below,go back to beginning of loop, with quan=4, repeat,stock=2, change to quan=2,stock=0

elseif ($stock>$itemquan) {  //with quan=2,stock=3

$newstock=$stock-$itemquan; //stock=1

$itemquan=0;}  //quan=0, insert below

else {

echo "error";}

}

 

this doesnt work