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The difference between isset and empty_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:57:37997browse
isset($var); //If it is false, it is not defined. If it is not defined, it is false
$var = '';
isset($var); //If it is true, it is true if it is defined
empty($var) ; //If true, return true if the value is empty
$var = '111';
empty($var); //If false, return false if it is not empty
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