Common php functions

Php common functions: How long does a user calculate when the data submitted is a Chinese/English-digit mixed-rank? **? * UTF-8 encoding case *? * Calculate the length of a string *? * @ Param ?? String ????? $ Str ??????? String? *? * @ Return? Array? * FunctionstrLength ($ str ){??? If (empty ($ str) return0; common php functions

Calculate the length when the user submits data in a mix of Chinese and English numbers.

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/**
? * UTF-8 encoding case *
? * Calculate the length of a string *
? * @ Param ?? String ????? $ Str ??????? String
? *
? * @ Return? Array
? */
Function strLength ($ str)
{
??? If (empty ($ str) return 0;
??? $ Length = strlen (preg_replace ('/[\ x00-\ x7F]/', '', $ str ));

??? $ Arr ['en'] = strlen ($ str)-$ length;
??? $ Arr ['cn'] = intval ($ length/3); // Encode GBK, divided by 2
???
???
???
??? Return (int) ($ arr ['cn'] + $ arr ['en']/2 );
}