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This article explains how to enable the mbstring extension in PHP and use the mb_strlen function with UTF-8 encoding to accurately measure the length of multibyte strings, including practical code examples and techniques for checking empty strings.
This article explains how to use PHP's mb_strlen() function to accurately measure string lengths, handle multibyte characters, specify encodings, retrieve byte counts, count character occurrences, and work with different language encodings, providing clear code examples for each case.
This article explains the PHP strlen() function, demonstrates its basic usage with code examples, discusses limitations with multibyte and special characters, and shows how to use mb_strlen() to correctly measure string length in various encoding scenarios.
The mb_strlen() function in PHP returns the number of characters in a string, correctly handling multibyte characters and allowing an optional encoding parameter, with examples showing differences from strlen() under various encodings.