protected function validate()
    {
        // Special case:
        if ($this->n === '+0' || $this->n === '-0') {
            $this->n = '0';
        }
        if ($this->n === '0' && $this->unit === false) {
            return true;
        }
        if (!ctype_lower($this->unit)) {
            $this->unit = strtolower($this->unit);
        }
        if (!isset(HTMLPurifier_Length::$allowedUnits[$this->unit])) {
            return false;
        }
        // Hack:
        $def = new HTMLPurifier_AttrDef_CSS_Number();
        $result = $def->validate($this->n, false, false);
        if ($result === false) {
            return false;
        }
        $this->n = $result;
        return true;
    }
protected function validate()
    {
        // Special case:
        if ($this->n === '+0' || $this->n === '-0') {
            $this->n = '0';
        }
        if ($this->n === '0' && $this->unit === false) {
            return true;
        }
        if (!ctype_lower($this->unit)) {
            $this->unit = strtolower($this->unit);
        }
        if (!isset(HTMLPurifier_Length::$allowedUnits[$this->unit])) {
            return false;
        }
        // Hack:
        $def = new HTMLPurifier_AttrDef_CSS_Number();
        $result = $def->validate($this->n, false, false);
        if ($result === false) {
            return false;
        }
        $this->n = $result;
        return true;
    }
protected function validate ( ) { // Special case: if ( $ this -> n === '+0' || $ this -> n === '-0' ) { $ this -> n = '0' ; } if ( $ this -> n === '0' && $ this -> unit === false ) { return true ; } if ( ! ctype_lower ( $ this -> unit ) ) { $ this -> unit = strtolower ( $ this -> unit ) ; } if ( ! isset ( HTMLPurifier_Length :: $ allowedUnits [ $ this -> unit ] ) ) { return false ; } // Hack: $ def = new HTMLPurifier_AttrDef_CSS_Number ( ) ; $ result = $ def -> validate ( $ this -> n , false , false ) ; if ( $ result === false ) { return false ; } $ this -> n = $ result ; return true ; }
Validates the number and unit.
@return bool
Validates the number and unit .