48 $first = mb_substr( $string, 0, 1 );
49 if ( in_array( $first, $this->
lc ) ) {
50 $first = str_replace( $this->
lc, $this->
uc, $first );
51 return $first . mb_substr( $string, 1 );
53 return parent::ucfirst( $string );
61 $first = mb_substr( $string, 0, 1 );
62 if ( in_array( $first, $this->
uc ) ) {
63 $first = str_replace( $this->
uc, $this->
lc, $first );
64 return $first . mb_substr( $string, 1 );
66 return parent::lcfirst( $string );