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PHP5中文手册
mb_strlen(PHP 4 >= 4.0.6, PHP 5) mb_strlen — Get string length 说明
int mb_strlen
( string $str
[, string $encoding
] )
mb_strlen() returns number of characters in string str having character encoding encoding . A multi-byte character is counted as 1. encoding is character encoding for str . If encoding is omitted, internal character encoding is used. See also mb_internal_encoding(), strlen(). |