Checks whether the country calling code is from a region whose national significant number
could contain a leading zero. An example of such a region is Italy. Returns false if no
metadata for the country is found.
public isLeadingZeroPossible ( integer $countryCallingCode ) : boolean | ||
$countryCallingCode | integer | |
return | boolean |
public function testIsLeadingZeroPossible() { $this->assertTrue($this->phoneUtil->isLeadingZeroPossible(39)); // Italy $this->assertFalse($this->phoneUtil->isLeadingZeroPossible(1)); // USA $this->assertFalse($this->phoneUtil->isLeadingZeroPossible(800)); // International toll free numbers $this->assertFalse($this->phoneUtil->isLeadingZeroPossible(888)); // Not in metadata file, just default to false. }