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PHP's strlen function behaves differently than the C strlen function in terms of its handling of null bytes ('\0'). In PHP, a null byte in a string does NOT count as the end of the string, and any null bytes are included in the length of the string.
- Count
[Editor's note: array at from dot pl had pointed out that...
- Grapheme Strlen
grapheme_strlen (PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >=...
- Iconv Strlen
Iconv Strlen - PHP: strlen - Manual
- Substr
Parameters. string. The input string. offset. If offset is...
- Str replace
Parameters. If search and replace are arrays, then...
- Number format
Version Description; 8.0.0: Prior to this version,...
- Implode
Implode - PHP: strlen - Manual
- Ucfirst
Ucfirst - PHP: strlen - Manual
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Use the PHP strlen () function to get the number of bytes of a string. Use the PHP mb_strlen () function to get the number of characters in a string with a specific encoding.
Returns the length of a string (in bytes) on success, and 0 if the string is empty: PHP Version: 4+
27 wrz 2011 · Byte size is measured with strlen(), whereas string length is queried using mb_strlen(). You can use substr() to trim a string to X bytes (note that this will break the string if it has a multi-byte encoding - as pointed out by Darhazer in the comments) and mb_substr() to trim it to X characters in the encoding of the string.
strlen() returns the number of bytes rather than the number of characters in a string.
10 sty 2024 · A more reliable way to determine the byte length of a string in PHP is to use the mb_strlen() function while explicitly specifying the encoding.
5 lip 2022 · The strlen() method returns the length of a string. Note: This method returns the number of bytes rather than the number of characters. Syntax. strlen($string); The strlen() method takes one required parameter: $string, which can be a literal sequence of characters surrounded by quotes or a variable that refers to such a sequence.
