php process control else

This article mainly introduces else about PHP process control, which has a certain reference value. Now I share it with everyone. Friends in need can refer to it

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(PHP 4, PHP 5 , PHP 7)

It is often necessary to execute a statement when a certain condition is met, and execute other statements when the condition is not met. This is the function of else. else extends the if statement and can execute the statement when the value of the expression in the if statement isFALSE. For example, the following code displaysa is bigger than bwhen is greater than , otherwise it displaysa is NOT bigger than b:

 $b) { echo "可以执行"; } else { echo "不可以执行"; } ?>

elseThe expressions in theifandelseif(if any) statements have the valueonlyFALSEis executed when

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