Merge pull request #175 from Automattic/change-supported-php-versions

Update supported PHP version to 7.4 and WP 5.9 minimum

.github/workflows/integrations.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         wordpress: ["5.5", "5.6", "5.7"]
-        php: ["5.6", "7.0", "7.1", "7.2", "7.3", "7.4"]
+        php: ["7.4", "8.0", "8.1"]
         include:
           - php: "8.0"
             # Ignore platform requirements, so that PHPUnit 7.5 can be installed on PHP 8.0 (and above).

.phpcs.xml.dist

@@ -31,7 +31,7 @@
 	<rule ref="PHPCompatibilityWP"/>
 	<!-- For help in understanding this testVersion:
 		https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
-	<config name="testVersion" value="5.6-"/>
+	<config name="testVersion" value="7.4-"/>
 
 	<!-- Rules: WordPress Coding Standards - see
 		https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards -->

composer.json

@@ -11,7 +11,7 @@
 		}
 	],
 	"require": {
-		"php": ">=5.6",
+		"php": ">=7.4",
 		"composer/installers": "~1.0"
 	},
 	"require-dev": {

msm-sitemap.php

@@ -6,6 +6,7 @@
 Version: 1.4.1
 Stable tag: 1.4.1
 License: GPLv2
+Requires PHP: 7.4
 */
 
 if ( defined( 'WP_CLI' ) && true === WP_CLI ) {