Zend_Filter_Digits Class Reference

Inheritance diagram for Zend_Filter_Digits:

Public Member Functions
	__construct ()
	filter ($value)

Static Protected Attributes
static	$_unicodeEnabled

Detailed Description

Definition at line 36 of file Digits.php.

Constructor & Destructor Documentation

__construct()

__construct

(

)

Class constructor

Checks if PCRE is compiled with UTF-8 and Unicode support

Returns

void

Definition at line 52 of file Digits.php.

    {
        if (null === self::$_unicodeEnabled) {
            self::$_unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
        }
    }

Member Function Documentation

filter()

filter

(

$value

)

Defined by Zend_Filter_Interface

Returns the string $value, removing all but digit characters

Parameters

string

$value

Returns

string

Implements Zend_Filter_Interface.

Definition at line 67 of file Digits.php.

    {
        if (!self::$_unicodeEnabled) {
            // POSIX named classes are not supported, use alternative 0-9 match
            $pattern = '/[^0-9]/';
        } else if (extension_loaded('mbstring')) {
            // Filter for the value with mbstring
            $pattern = '/[^[:digit:]]/';
        } else {
            // Filter for the value without mbstring
            $pattern = '/[\p{^N}]/';
        }

        return preg_replace($pattern, '', (string) $value);
    }

Field Documentation

$_unicodeEnabled

$_unicodeEnabled

staticprotected

Definition at line 43 of file Digits.php.

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The documentation for this class was generated from the following file:

• vendor/magento/zendframework1/library/Zend/Filter/Digits.php