PHP converts a string to an uppercase function Strtoupper ()

Instance

Convert all characters to uppercase:

<?phpecho strtoupper ("Hello world!");? >

Definition and usage

The Strtoupper () function converts a string to uppercase.

Note: This function is binary safe.

Related functions:

• Strtolower ()-Converts a string to lowercase

• Lcfirst ()-Converts the first character in a string to lowercase

• Ucfirst ()-Converts the first character in a string to uppercase

• Ucwords ()-Converts the first character of each word in a string to uppercase

Grammar

Strtoupper (String)

Parameters	Describe
String	Necessary. Specifies the string to convert.

Technical details

return value:	Returns a string converted to uppercase.
PHP version:	4 +

The Strtoupper () function converts a string to uppercase

Public Function set_kw ($kw) {        $_intasc=ord (substr ($kw, 0,1));        if ($_intasc>64 and $_intasc<91) or ($_intasc>96 and $_intasc<123) {            $this->set_query_q (' Pinyin: ') . Strtoupper ($kw). ' *');        } else{            $this->set_dismax_model ();            $this->set_query_q ($kw);            $this->set_query_qf ("name^10 address^5");        }    }