INVP::prepare_phone_number_for_link( string $number )

prepare_phone_number_for_link


Description Description

Takes a phone number and prepares it for the href attribute of a link.

Removes all non-alphanumeric characters, converts letters to dial pad digits, and prepends a country dialing code if the number is 10 digits or less.


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Parameters Parameters

$number

(string) (Required) The phone number to prepare.


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Return Return

(string) A version of the phone number provided with letters converted to dial pad digits, non-numeric characters removed, and a country code prepended if the length of the provided number was 10 or less.


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Source Source

File: includes/class-invp.php

	public static function prepare_phone_number_for_link( $number )
	{
		//get rid of anything that isn't a digit or a letter
		$number = preg_replace( '/[^0-9A-Za-z]+/', '', $number );

		//convert letters to digits
		$number = preg_replace( '/a|b|c/', '2', strtolower( $number ) );
		$number = preg_replace( '/d|e|f/', '3', strtolower( $number ) );
		$number = preg_replace( '/g|h|i/', '4', strtolower( $number ) );
		$number = preg_replace( '/j|k|l/', '5', strtolower( $number ) );
		$number = preg_replace( '/m|n|o/', '6', strtolower( $number ) );
		$number = preg_replace( '/p|q|r|s/', '7', strtolower( $number ) );
		$number = preg_replace( '/t|u|v/', '8', strtolower( $number ) );
		$number = preg_replace( '/w|x|y|z/', '9', strtolower( $number ) );

		//does it have a country code already?
		if( 10 < strlen( $number ) )
		{
			//yes
			return $number;
		}

		//no, default to USA
		$country_code = apply_filters( 'invp_country_calling_code', '1' );
		return $country_code . $number;
	}