Php check string size

Php get string size

$str = "Hello Grepper!";
echo strlen($str); //echo 14

Php check string size

//get the number of characters in a string of UTF8
$utf8_char="السلام علیکم";
$size_utf8 = mb_strlen($utf8_char, 'utf8');
$size_strlen = strlen($utf8_char);
echo $size_utf8; //12
echo $size_strlen; //23!!

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