wc_make_numeric_postcode()
Make numeric postcode.
Converts letters to numbers so we can do a simple range check on postcodes. E.g. PE30 becomes 16050300 (P = 16, E = 05, 3 = 03, 0 = 00)
No Hooks.
Return
String
.
Usage
wc_make_numeric_postcode( $postcode );
- $postcode(string) (required)
- Regular postcode.
Changelog
Since 2.6.0 | Introduced. |
wc_make_numeric_postcode() wc make numeric postcode code WC 9.6.1
function wc_make_numeric_postcode( $postcode ) { $postcode = str_replace( array( ' ', '-' ), '', $postcode ?? '' ); $postcode_length = strlen( $postcode ); $letters_to_numbers = array_merge( array( 0 ), range( 'A', 'Z' ) ); $letters_to_numbers = array_flip( $letters_to_numbers ); $numeric_postcode = ''; for ( $i = 0; $i < $postcode_length; $i++ ) { if ( is_numeric( $postcode[ $i ] ) ) { $numeric_postcode .= str_pad( $postcode[ $i ], 2, '0', STR_PAD_LEFT ); } elseif ( isset( $letters_to_numbers[ $postcode[ $i ] ] ) ) { $numeric_postcode .= str_pad( $letters_to_numbers[ $postcode[ $i ] ], 2, '0', STR_PAD_LEFT ); } else { $numeric_postcode .= '00'; } } return $numeric_postcode; }