strlen
PHP 4, PHP 5, PHP 7, PHP 8
strlen - Get string length
strlen(
string$string ): int
Returns the length of the given string.
Parameters
- string
-
The string being measured for length.
Return Values
The length of the string on success, and 0 if the string is empty.
Notes
Note:
strlen returns the number of bytes rather than the number of characters in a string.
Note:
strlen returns null when executed on arrays, and an E_WARNING level error is emitted.