php check for empty string

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showing results for - "php check for empty string"
Helina
29 Apr 2019
1if (empty($var)) {
2    echo '$var is either 0, empty, or not set at all';
3}
Émilie
21 Aug 2016
1function strictEmpty($var) {
2
3    // Delete this line if you want space(s) to count as not empty
4    $var = trim($var);
5    
6    if(isset($var) === true && $var === '') {
7    
8        // It's empty
9    
10    }
11    else {
12    
13        // It's not empty
14    
15    }
16
17}
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