How to determine whether a string is empty in php

How to determine whether a string is empty in php: You can use the empty() function to determine. The empty() function is used to determine whether a variable is considered empty. If the variable does not exist, or its value is equal to false, then it will be considered not to exist.

There is a function empty() in php, which is used to check whether a variable is empty. Therefore, we can achieve our purpose through this variable.

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Let’s introduce this function:

empty() function is used for checking Whether a variable is empty.

empty() Determines whether a variable is considered empty. When a variable does not exist, or its value is equal to FALSE, then it is considered not to exist. empty() does not generate a warning if the variable does not exist.

The following variables will be considered empty:

Example:

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