Bump minimum required PHP version to 7.0 and minimum required WP version to 6.3

CONTRIBUTING.md

@@ -7,7 +7,7 @@ Thank you for your interest in contributing to the Performance Lab plugin! Compl
 In general, all code must follow the [WordPress Coding Standards and best practices](https://developer.wordpress.org/coding-standards/). All code in the Performance Lab plugin must follow these requirements:
 
 - **WordPress**: As of Performance Lab v1.6.0, released October 17, 2022, the plugin's minimum WordPress version requirement is 6.0.
-- **PHP**: Always match the latest WordPress version. The minimum required version right now is 5.6.
+- **PHP**: Always match the latest WordPress version. The minimum required version right now is 7.0.
 
 
 ## Guidelines

bin/plugin/commands/build-plugins.js

@@ -137,8 +137,8 @@ async function updatePluginHeader( settings ) {
  * Plugin Name: ${ name }
  * Plugin URI: https://github.com/WordPress/performance/tree/trunk/modules/${ modulePath }
  * Description: ${ description }
- * Requires at least: 6.1
- * Requires PHP: 5.6
+ * Requires at least: 6.3
+ * Requires PHP: 7.0
  * Version: ${ version }
  * Author: WordPress Performance Team
  * Author URI: https://make.wordpress.org/performance/

composer.json

@@ -16,7 +16,6 @@
     "phpcompatibility/php-compatibility": "^9.3",
     "phpstan/extension-installer": "^1.3.0",
     "phpstan/phpstan": "^1.10",
-    "phpunit/phpunit": "^4|^5|^6|^7|^8|^9",
     "squizlabs/php_codesniffer": "^3.5",
     "szepeviktor/phpstan-wordpress": "^1.3.0",
     "wp-coding-standards/wpcs": "^3.0.0",
@@ -28,7 +27,7 @@
   },
   "require": {
     "composer/installers": "~1.0",
-    "php": ">=5.6|^7|^8"
+    "php": ">=7|^8"
   },
   "scripts": {
     "phpstan": "phpstan analyze --ansi --memory-limit=2048M",

load.php

@@ -3,8 +3,8 @@
  * Plugin Name: Performance Lab
  * Plugin URI: https://github.com/WordPress/performance
  * Description: Performance plugin from the WordPress Performance Team, which is a collection of standalone performance modules.
- * Requires at least: 6.1
- * Requires PHP: 5.6
+ * Requires at least: 6.3
+ * Requires PHP: 7.0
  * Version: 2.6.1
  * Author: WordPress Performance Team
  * Author URI: https://make.wordpress.org/performance/

modules/images/dominant-color-images/hooks.php

@@ -153,84 +153,6 @@ function dominant_color_img_tag_add_dominant_color( $filtered_image, $context, $
 }
 add_filter( 'wp_content_img_tag', 'dominant_color_img_tag_add_dominant_color', 20, 3 );
 
-// We don't need to use this filter anymore as the filter wp_content_img_tag is used instead.
-if ( version_compare( '6', $GLOBALS['wp_version'], '>=' ) ) {
-
-	/**
-	 * Filter the content to allow us to filter the image tags.
-	 *
-	 * @since 1.2.0
-	 *
-	 * @param string $content The content to filter.
-	 * @param string $context The context of the content.
-	 * @return string The updated $content.
-	 */
-	function dominant_color_filter_content_tags( $content, $context = null ) {
-		if ( null === $context ) {
-			$context = current_filter();
-		}
-
-		if ( ! preg_match_all( '/<(img)\s[^>]+>/', $content, $matches, PREG_SET_ORDER ) ) {
-			return $content;
-		}
-
-		// List of the unique `img` tags found in $content.
-		$images = array();
-
-		foreach ( $matches as $match ) {
-			list( $tag, $tag_name ) = $match;
-
-			switch ( $tag_name ) {
-				case 'img':
-					if ( preg_match( '/wp-image-([0-9]+)/i', $tag, $class_id ) ) {
-						$attachment_id = absint( $class_id[1] );
-
-						if ( $attachment_id ) {
-							// If exactly the same image tag is used more than once, overwrite it.
-							// All identical tags will be replaced later with 'str_replace()'.
-							$images[ $tag ] = $attachment_id;
-							break;
-						}
-					}
-					$images[ $tag ] = 0;
-					break;
-			}
-		}
-
-		// Reduce the array to unique attachment IDs.
-		$attachment_ids = array_unique( array_filter( array_values( $images ) ) );
-
-		if ( count( $attachment_ids ) > 1 ) {
-			/*
-			 * Warm the object cache with post and meta information for all found.
-			 * images to avoid making individual database calls.
-			 */
-			_prime_post_caches( $attachment_ids, false, true );
-		}
-
-		foreach ( $matches as $match ) {
-			// Filter an image match.
-			if ( empty( $images[ $match[0] ] ) ) {
-				continue;
-			}
-
-			$filtered_image = $match[0];
-			$attachment_id  = $images[ $match[0] ];
-			$filtered_image = dominant_color_img_tag_add_dominant_color( $filtered_image, $context, $attachment_id );
-
-			if ( null !== $filtered_image && $filtered_image !== $match[0] ) {
-				$content = str_replace( $match[0], $filtered_image, $content );
-			}
-		}
-		return $content;
-	}
-
-	$filters = array( 'the_content', 'the_excerpt', 'widget_text_content', 'widget_block_content' );
-	foreach ( $filters as $filter ) {
-		add_filter( $filter, 'dominant_color_filter_content_tags', 20 );
-	}
-}
-
 /**
  * Add CSS needed for to show the dominant color as an image background.
  *

modules/images/dominant-color-images/readme.txt

@@ -1,9 +1,9 @@
 === Dominant Color Images ===
 
 Contributors:      wordpressdotorg
-Requires at least: 6.1
+Requires at least: 6.3
 Tested up to:      6.3
-Requires PHP:      5.6
+Requires PHP:      7.0
 Stable tag:        1.0.0
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html

modules/images/fetchpriority/readme.txt

@@ -1,9 +1,9 @@
 === Fetchpriority ===
 
 Contributors:      wordpressdotorg
-Requires at least: 6.1
+Requires at least: 6.3
 Tested up to:      6.3
-Requires PHP:      5.6
+Requires PHP:      7.0
 Stable tag:        1.1.1
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html

modules/images/webp-uploads/hooks.php

@@ -745,26 +745,20 @@ function webp_uploads_get_image_sizes_additional_mime_type_support() {
 /**
  * Updates the quality of WebP image sizes generated by WordPress to 82.
  *
- * Prior to WordPress 6.1, the MIME type was not correctly provided to this filter, so for those versions this function
- * simply returns 82 universally (since all other MIME types already use 82 anyway).
- *
  * @since 1.7.0
- *
- * @global string $wp_version The WordPress version string.
+ * @since n.e.x.t Bump minimum WP to 6.3 so remove WP 6.1 related checks.
  *
  * @param int    $quality   Quality level between 1 (low) and 100 (high).
  * @param string $mime_type Image mime type.
  * @return int The updated quality for mime types.
  */
 function webp_uploads_modify_webp_quality( $quality, $mime_type ) {
-	global $wp_version;
-
-	// Below WP 6.1 or for WebP images, always return 82 (other MIME types were already using 82 by default anyway).
-	if ( version_compare( $wp_version, '6.1', '<' ) || 'image/webp' === $mime_type ) {
+	// For WebP images, always return 82 (other MIME types were already using 82 by default anyway).
+	if ( 'image/webp' === $mime_type ) {
 		return 82;
 	}
 
-	// Return default quality for non-WebP images in WP 6.1+.
+	// Return default quality for non-WebP images in WP.
 	return $quality;
 }
 add_filter( 'wp_editor_set_quality', 'webp_uploads_modify_webp_quality', 10, 2 );

modules/images/webp-uploads/image-edit.php

@@ -433,10 +433,6 @@ function webp_uploads_restore_image( $attachment_id, $data ) {
  * @return bool True if editing image thumbnails is enabled, false otherwise.
  */
 function webp_uploads_image_edit_thumbnails_separately() {
-	if ( version_compare( get_bloginfo( 'version' ), '6.3', '<' ) ) {
-		return true;
-	}
-
 	/** This filter is documented in wp-admin/includes/image-edit.php */
 	return (bool) apply_filters( 'image_edit_thumbnails_separately', false );
 }

modules/images/webp-uploads/readme.txt

@@ -1,9 +1,9 @@
 === WebP Uploads ===
 
 Contributors:      wordpressdotorg
-Requires at least: 6.1
+Requires at least: 6.3
 Tested up to:      6.3
-Requires PHP:      5.6
+Requires PHP:      7.0
 Stable tag:        1.0.3
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html

phpcs.xml.dist

@@ -3,7 +3,7 @@
 	<description>Sniffs for WordPress plugins, with minor modifications for Performance</description>
 
 	<rule ref="PHPCompatibility"/>
-	<config name="testVersion" value="5.6-"/>
+	<config name="testVersion" value="7.0-"/>
 
 	<rule ref="WordPress-Docs"/>
 	<rule ref="WordPress-Extra">

plugin-tests/composer.json

@@ -10,7 +10,7 @@
   },
   "require": {
     "composer/installers": "~1.0",
-    "php": ">=5.6|^7|^8"
+    "php": ">=7|^8"
   },
   "config": {
     "allow-plugins": {

readme.txt

@@ -1,9 +1,9 @@
 === Performance Lab ===
 
 Contributors:      wordpressdotorg
-Requires at least: 6.1
+Requires at least: 6.3
 Tested up to:      6.3
-Requires PHP:      5.6
+Requires PHP:      7.0
 Stable tag:        2.6.1
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html

server-timing/defaults.php

@@ -304,8 +304,7 @@ static function ( $hook_name ) use ( $hooks_to_measure ) {
 				)
 			);
 		},
-		// phpcs:ignore PHPCompatibility.Constants.NewConstants.php_int_minFound
-		defined( 'PHP_INT_MIN' ) ? PHP_INT_MIN : ~PHP_INT_MAX
+		PHP_INT_MIN
 	);
 }
 

tests/modules/images/webp-uploads/load-tests.php

@@ -977,12 +977,7 @@ public function it_should_return_correct_quality_for_mime_types() {
 		global $wp_version;
 		$this->assertSame( 82, webp_uploads_modify_webp_quality( 90, 'image/webp' ), 'WebP image quality should always be 82.' );
 		$this->assertSame( 82, webp_uploads_modify_webp_quality( 82, 'image/webp' ), 'WebP image quality should always be 82.' );
-
-		if ( version_compare( $wp_version, '6.1', '<' ) ) {
-			$this->assertSame( 82, webp_uploads_modify_webp_quality( 86, 'image/jpeg' ), 'JPEG image quality should always return 82 quality for WP version lower than 6.1.' );
-		} else {
-			$this->assertSame( 80, webp_uploads_modify_webp_quality( 80, 'image/jpeg' ), 'JPEG image quality should return default quality provided from WP filter wp_editor_set_quality.' );
-		}
+		$this->assertSame( 80, webp_uploads_modify_webp_quality( 80, 'image/jpeg' ), 'JPEG image quality should return default quality provided from WP filter wp_editor_set_quality.' );
 	}
 
 	/**