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$a=$_POST['stock']; $b=$_POST['qty']; $c=$a+$b; echo $c; When i execute this i get this error A non numeric value encoutered

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15th May 2020, 6:37 AM

Thimma Chowdary

i want the numbers to increase when my users press the enter button

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7th Jun 2020, 11:51 AM

Yokahana

Why do I get undefined variable error while the variable is already defined?

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9th Jun 2018, 7:38 AM

john chagaz

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