Strips any national prefix (such as 0, 1) present in the number provided.
public maybeStripNationalPrefixAndCarrierCode ( string &$number, |
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$number | string | the normalized telephone number that we wish to strip any national dialing prefix from |
$metadata | the metadata for the region that we think this number is from | |
$carrierCode | string | a place to insert the carrier code if one is extracted |
return | boolean | true if a national prefix or carrier code (or both) could be extracted. |
public function testMaybeStripNationalPrefix() { $metadata = new PhoneMetadata(); $metadata->setNationalPrefixForParsing("34"); $phoneNumberDesc = new PhoneNumberDesc(); $phoneNumberDesc->setNationalNumberPattern("\\d{4,8}"); $metadata->setGeneralDesc($phoneNumberDesc); $numberToStrip = "34356778"; $strippedNumber = "356778"; $carrierCode = null; $this->assertTrue($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals($strippedNumber, $numberToStrip, "Should have had national prefix stripped."); // Retry stripping - now the number should not start with the national prefix, so no more // stripping should occur. $carrierCode = null; $this->assertFalse($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals($strippedNumber, $numberToStrip, "Should have had no change - no national prefix present."); // Some countries have no national prefix. Repeat test with none specified. $metadata->setNationalPrefixForParsing(""); $carrierCode = null; $this->assertFalse($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals($strippedNumber, $numberToStrip, "Should not strip anything with empty national prefix."); // If the resultant number doesn't match the national rule, it shouldn't be stripped. $metadata->setNationalPrefixForParsing("3"); $numberToStrip = "3123"; $strippedNumber = "3123"; $carrierCode = null; $this->assertFalse($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals($strippedNumber, $numberToStrip, "Should have had no change - after stripping, it wouldn't have matched the national rule."); // Test extracting carrier selection code. $metadata->setNationalPrefixForParsing("0(81)?"); $numberToStrip = "08122123456"; $strippedNumber = "22123456"; $carrierCode = ""; $this->assertTrue($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals("81", $carrierCode); $this->assertEquals($strippedNumber, $numberToStrip, "Should have had national prefix and carrier code stripped."); // If there was a transform rule, check it was applied. $metadata->setNationalPrefixTransformRule("5\${1}5"); // Note that a capturing group is present here. $metadata->setNationalPrefixForParsing("0(\\d{2})"); $numberToStrip = "031123"; $transformedNumber = "5315123"; $carrierCode = null; $this->assertTrue($this->phoneUtil->maybeStripNationalPrefixAndCarrierCode($numberToStrip, $metadata, $carrierCode)); $this->assertEquals($transformedNumber, $numberToStrip, "Should transform the 031 to a 5315."); }