Upgrade to php8

This updates the php version and fixes
regexes that became incompatible.

composer.json

@@ -3,7 +3,7 @@
 	"license": "GPL-2.0-or-later",
 	"description": "General and shared validation services created as part of the WMDE fundraising software",
 	"require": {
-		"php": ">=7.2"
+		"php": ">=8.0"
 	},
 	"require-dev": {
 		"phpunit/phpunit": "~9.5.1",

docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.4'
 
 services:
   fun-validators:
-    image: wikimediade/fundraising-frontend:dev
+    image: "registry.gitlab.com/fun-tech/fundraising-frontend-docker:latest"
     volumes:
       - ./:/usr/src/app
     working_dir: /usr/src/app

src/Validators/TextPolicyValidator.php

@@ -124,7 +124,7 @@ private function hasDeniedWordNotMatchingAllowedWords( array $deniedMatches, arr
 					$deniedMatches,
 					$allowedMatches,
 					function ( $deniedMatch, $allowedMatch ) {
-						return !preg_match( $this->composeRegex( [ $deniedMatch ] ), $allowedMatch );
+						return (int)!preg_match( $this->composeRegex( [ $deniedMatch ] ), $allowedMatch );
 					}
 				)
 			) > 0;

tests/Unit/Validators/AddressValidatorTest.php

@@ -23,8 +23,8 @@ class AddressValidatorTest extends TestCase {
 	];
 
 	private const ADDRESS_PATTERNS = [
-		'firstName' => "/^[A-Za-z\u00C0-\u00D6\u00D8-\u00f6\u00f8-\u00ff\\s\\-\\.\\']+$/",
-		'lastName' => "/^[A-Za-z\u00C0-\u00D6\u00D8-\u00f6\u00f8-\u00ff\\s\\-\\.\\']+$/",
+		'firstName' => "/^[A-Za-z\x{00C0}-\x{00D6}\x{00D8}-\x{00f6}\x{00f8}-\x{00ff}\\s\\-\\.\\']+$/",
+		'lastName' => "/^[A-Za-z\x{00C0}-\x{00D6}\x{00D8}-\x{00f6}\x{00f8}-\x{00ff}\\s\\-\\.\\']+$/",
 		'postcode' => '/^.+$/',
 	];