Shulou(Shulou.com)06/03 Report--

Int strlen (string $string)

Int strlen (string $string) returns the length of the string $string if it succeeds in getting the [byte] length of the given string, or 0 if $string is empty.

Mb_strlen ()-gets the length of the string

Mixed mb_strlen (string $str [, string $encoding = mb_internal_encoding ()])

The string to check the length of $str

$encoding, which can specify character encoding, or use internal character encoding if omitted

Return value: returns the [number of characters] contained in the string str with encoding encoding, and multi-byte characters are counted as 1

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