PHP 8.x compatibility and updated requirements

- Add null/type safety guards for get_option() and apply_filters() results
- Guard preg_split() return before array_map() in to_kebab_case()
- Update minimum PHP requirement from 5.6.40 to 7.4
- Update minimum WordPress requirement from 4.9.14 to 5.9.0
- Update tested up to WordPress 6.9
- Update internal minimalRequiredPhpVersion from 5.4 to 7.4

Fixes #253

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: georgeolaru

customify.php

@@ -11,9 +11,9 @@
  * License:     GPL-2.0+
  * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
  * Domain Path: /languages/
- * Requires at least: 4.9.14
- * Tested up to: 5.9.5
- * Requires PHP: 5.6.40
+ * Requires at least: 5.9.0
+ * Tested up to: 6.9
+ * Requires PHP: 7.4
  */
 
 // If this file is called directly, abort.

includes/class-customify-block-editor.php

@@ -517,7 +517,11 @@ public function editor_color_palettes_css_classes() {
 		}
 
 		public static function to_kebab_case( $string ) {
-			return implode( '-', array_map( '\strtolower', preg_split( "/[\n\r\t -_]+/", preg_replace( "/['\x{2019}]/u", '', $string ), - 1, PREG_SPLIT_NO_EMPTY ) ) );
+			$parts = preg_split( "/[\n\r\t -_]+/", preg_replace( "/['\x{2019}]/u", '', $string ), - 1, PREG_SPLIT_NO_EMPTY );
+			if ( ! is_array( $parts ) ) {
+				return '';
+			}
+			return implode( '-', array_map( '\strtolower', $parts ) );
 		}
 
 		/**

includes/class-customify-color-palettes.php

@@ -509,6 +509,9 @@ public function add_current_palette_control( $config ) {
 
 		$current_palette .= '<div class="sm-color-palette__colors">';
 		$color_classes = apply_filters( 'customify_style_manager_color_palettes_colors_classes', array( 'sm-color-palette__color' ) );
+		if ( ! is_array( $color_classes ) ) {
+			$color_classes = array( 'sm-color-palette__color' );
+		}
 		foreach ( $master_color_controls_ids as $setting_id ) {
 			$current_palette .=
 				'<div class="' . esc_attr( join( ' ', $color_classes ) ) . ' ' . esc_attr( $setting_id ) . '" data-setting="' . esc_attr( $setting_id ) . '">' . "\n" .

includes/class-pixcustomify.php

@@ -114,7 +114,7 @@ class PixCustomifyPlugin {
 	 * @access  private
 	 * @since   1.5.0
 	 */
-	private $minimalRequiredPhpVersion = '5.4';
+	private $minimalRequiredPhpVersion = '7.4';
 
 	protected function __construct( $file, $version = '1.0.0' ) {
 		// The main plugin file (the one that loads all this).

includes/extras.php

@@ -454,8 +454,10 @@ function customify_migrate_customizations_from_parent_to_child_theme() {
 		'pixcare_new_theme_version',
 		'pixcare_install_notice_dismissed',
 	];
-	foreach ( $excluded as $exclude ) {
-		unset( $parent_theme_mods[ $exclude ] );
+	if ( is_array( $parent_theme_mods ) ) {
+		foreach ( $excluded as $exclude ) {
+			unset( $parent_theme_mods[ $exclude ] );
+		}
 	}
 	// Finally, write the new theme mods for the active child theme.
 	if ( ! update_option( "theme_mods_" . get_option( 'stylesheet' ), $parent_theme_mods ) ) {

readme.txt

@@ -1,10 +1,10 @@
 === Customify - Intuitive Website Styling ===
 Contributors: pixelgrade, vlad.olaru, babbardel, razvanonofrei, gorby31
 Tags: design, customizer, fonts, colors, gutenberg, font palettes, color palettes
-Requires at least: 4.9.14
-Tested up to: 5.9.5
+Requires at least: 5.9.0
+Tested up to: 6.9
 Stable tag: 2.10.6
-Requires PHP: 5.6.40
+Requires PHP: 7.4
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html