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锟斤拷锟斤拷 PHP 锟斤拷一锟斤拷锟斤拷散锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟藉，锟斤拷要锟斤拷锟斤拷锟斤拷幕锟斤拷锟街讹拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呛锟斤拷锟�锟斤拷锟斤拷什么锟斤拷锟酵碉拷值锟斤拷锟斤拷锟斤拷锟斤拷锟矫猴拷锟斤拷 strlen() 锟侥讹拷锟斤拷锟斤拷为锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷

strlen

(PHP 4, PHP 5)
strlen -- 锟斤拷取锟街凤拷锟斤拷锟斤拷锟斤拷

说锟斤拷
int strlen ( string str )

锟斤拷锟截革拷锟斤拷锟斤拷锟街凤拷锟斤拷 string 锟侥筹拷锟饺★拷

锟斤拷锟皆斤拷锟斤拷锟较猴拷锟斤拷锟侥讹拷锟斤拷写锟斤拷一锟斤拷锟斤拷式锟斤拷

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      returned type    function name    ( parameter type   parameter name )

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      bool in_array ( mixed $needle, array $haystack [, bool $strict = FALSE ] )

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锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷 & 锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷 锟斤拷式锟斤拷锟捷ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

 
       int preg_match ( string $pattern , string $subject [, array &$matches 
      [, int $flags = 0 [, int $offset = 0 ]]] )

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锟叫的猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接碉拷 PHP 锟芥本锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷 html_entity_decode() 锟斤拷锟斤拷锟斤拷

(PHP 4 >= 4.3.0, PHP 5)

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