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Why are the variables not being declared in the program given below?
I'm a beginner and learning php. Yet I'm unable to understand why the session variables remain undefined inside the php code... Please help me understand... đ https://code.sololearn.com/wFuqliFmpNQ8/?ref=app
2 RĂ©ponses
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AND - both operand should be true inorder to get true as result
OR - results in true even if only one of the operand is true
NOT - reverse whatever the result is, true is false and false is true.
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Yes, you're correct and I know about this concept... but actually the problem is that in this program $result, $num1 and $num2 remain undefined for the php code. However their values have been defined under the form tag. This is what I'm not getting. đ€·ââïž