Converts all alpha characters in a number to their respective digits on a keypad, but retains
existing formatting.
public static convertAlphaCharactersInNumber ( string $number ) : string | ||
$number | string | |
return | string |
public function testConvertAlphaCharactersInNumber() { $input = "1800-ABC-DEF"; // Alpha chars are converted to digits; everything else is left untouched. $expectedOutput = "1800-222-333"; $this->assertEquals($expectedOutput, $this->phoneUtil->convertAlphaCharactersInNumber($input)); }