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The function mb_strlen() is not enabled by default in PHP. Please read the manual for installation details: http://www.php.net/manual/en/mbstring.installation.php
Description. mb_strlen (string $string, ? string $encoding = null): int. Gets the length of a string. Parameters. string. The string being checked for length. encoding. The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used. Return Values.
Definition and Usage. The strlen () function returns the length of a string. Syntax. strlen (string) Parameter Values. Technical Details. More Examples. Example. Return the length of the string "Hello World": <?php. echo strlen ("Hello world!"); ?> Try it Yourself » PHP String Reference. W3schools Pathfinder.
13 kwi 2023 · The mb_strlen() is an inbuilt PHP function that returns the string length in an integer. Syntax: mb_strlen($string, $encoding ): int. Parameters: This function accepts 2 parameters that are described below: $string: The string parameter whose lengths need to be determined. It is a required parameter. $encoding: It is an optional parameter. This ...
mb_strlen — Get string length. mb_strpos — Find position of first occurrence of string in a string. mb_strrchr — Finds the last occurrence of a character in a string within another. mb_strrichr — Finds the last occurrence of a character in a string within another, case insensitive.
As the manual says: "strlen() returns the number of bytes rather than the number of characters in a string.", so if you want to get the number of characters in a string of UTF8 so use mb_strlen() instead of strlen().
For most multi-byte string length calculations, mb_strlen with the correct encoding is the recommended approach. The strlen function is a built-in function in PHP used to determine the length of a given string. In simpler terms, it tells you how many characters are in a string.
