Mini Cart: Remove deprecated print_inline_script() (#10165)

* Mini Cart: Replace the deprecated print_inline_script() with supported get_inline_script_data(). Fixes #10004

* Mini Cart: Add version check for the new get_inline_script_data() function

* Update the variable names and fix a typo

* Mini Cart: Add regex to check for the WP version

* Abstract the WP version comparison regex to a separate Utils class

src/BlockTypes/MiniCart.php

@@ -8,6 +8,7 @@
 use Automattic\WooCommerce\Blocks\Integrations\IntegrationRegistry;
 use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
 use Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils;
+use Automattic\WooCommerce\Blocks\Utils\Utils;
 
 /**
  * Mini-Cart class.
@@ -322,11 +323,19 @@ protected function append_script_and_deps_src( $script ) {
 
 		$site_url = site_url() ?? wp_guess_url();
 
+		if ( Utils::wp_version_compare( '6.3', '>=' ) ) {
+			$script_before = $wp_scripts->get_inline_script_data( $script->handle, 'before' );
+			$script_after  = $wp_scripts->get_inline_script_data( $script->handle, 'after' );
+		} else {
+			$script_before = $wp_scripts->print_inline_script( $script->handle, 'before', false );
+			$script_after  = $wp_scripts->print_inline_script( $script->handle, 'after', false );
+		}
+
 		$this->scripts_to_lazy_load[ $script->handle ] = array(
 			'src'          => preg_match( '|^(https?:)?//|', $script->src ) ? $script->src : $site_url . $script->src,
 			'version'      => $script->ver,
-			'before'       => $wp_scripts->print_inline_script( $script->handle, 'before', false ),
-			'after'        => $wp_scripts->print_inline_script( $script->handle, 'after', false ),
+			'before'       => $script_before,
+			'after'        => $script_after,
 			'translations' => $wp_scripts->print_translations( $script->handle, false ),
 		);
 	}

src/Utils/Utils.php

@@ -0,0 +1,24 @@
+<?php
+namespace Automattic\WooCommerce\Blocks\Utils;
+
+/**
+ * Utils class
+ */
+class Utils {
+
+	/**
+	 * Compare the current WordPress version with a given version.
+	 *
+	 * @param string      $version The version to compare against.
+	 * @param string|null $operator Optional. The comparison operator. Defaults to null.
+	 * @return bool|int Returns true if the current WordPress version satisfies the comparison, false otherwise.
+	 */
+	public static function wp_version_compare( $version, $operator = null ) {
+		$current_wp_version = get_bloginfo( 'version' );
+		if ( preg_match( '/^([0-9]+\.[0-9]+)/', $current_wp_version, $matches ) ) {
+			$current_wp_version = (float) $matches[1];
+		}
+
+		return version_compare( $current_wp_version, $version, $operator );
+	}
+}