Question

How to check if strings are valid for a specified encoding in PHP

Answer 1

if (mb_check_encoding("abc", 'UTF-8') === true) {
    echo "UTF-8\n";
}

if (mb_check_encoding("こんにちは", 'UTF-8') === true) {
    echo "UTF-8\n";    
}

if (mb_check_encoding("áéó", 'ASCII') === true) {
    echo "ASCII\n";    
} else {
    echo "Not ASCII\n";  
}
 
    


/*
run:
 
UTF-8
UTF-8
Not ASCII
 
*/

 

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