General: Add inline PHPCS options to leave regex indentation.

We have a handful of super long regexen that are written over multiple lines, as a collection of strings concatenated together. Each string is indented appropriately for the regex, but PHPCS doesn't recognised this, so defaults to removing the extra whitespace.

Disabling the `Squiz.Strings.ConcatenationSpacing.PaddingFound` rule for these blocks stops the extra whitespace from being removed.

See #41057.



git-svn-id: https://develop.svn.wordpress.org/trunk@42249 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/upgrade.php

@@ -2248,6 +2248,7 @@ function dbDelta( $queries = '', $execute = true ) {
 					 */
 
 					// Extract type, name and columns from the definition.
+					// phpcs:disable Squiz.Strings.ConcatenationSpacing.PaddingFound -- don't remove regex indentation
 					preg_match(
 						'/^'
 						.   '(?P<index_type>'             // 1) Type of the index.
@@ -2271,6 +2272,7 @@ function dbDelta( $queries = '', $execute = true ) {
 						$fld,
 						$index_matches
 					);
+					// phpcs:enable
 
 					// Uppercase the index type and normalize space characters.
 					$index_type = strtoupper( preg_replace( '/\s+/', ' ', trim( $index_matches['index_type'] ) ) );