From 598a5a5bc2b5cd77179cf05796876a93aec8cc6f Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Mon, 27 Jul 2020 15:19:09 +0000
Subject: [PATCH] Themes: Display a message in theme grid if a theme requires a
 higher version of PHP or WordPress.

This applies to the Themes screen fallback used when JS is turned off.

Props afragen, desrosj, SergeyBiryukov.
See #48491.

git-svn-id: https://develop.svn.wordpress.org/trunk@48640 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/themes.php | 51 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index 1af3ba6df5..03d917a070 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -398,6 +398,57 @@ foreach ( $themes as $theme ) :
 		</div>
 	<?php endif; ?>
 
+	<?php
+	if ( ! $theme['compatibleWP'] || ! $theme['compatiblePHP'] ) {
+		echo '<div class="notice inline notice-error notice-alt"><p>';
+		if ( ! $theme['compatibleWP'] && ! $theme['compatiblePHP'] ) {
+			_e( 'This theme doesn&#8217;t work with your versions of WordPress and PHP.' );
+			if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
+				printf(
+					/* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
+					' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
+					self_admin_url( 'update-core.php' ),
+					esc_url( wp_get_update_php_url() )
+				);
+				wp_update_php_annotation( '</p><p><em>', '</em>' );
+			} elseif ( current_user_can( 'update_core' ) ) {
+				printf(
+					/* translators: %s: URL to WordPress Updates screen. */
+					' ' . __( '<a href="%s">Please update WordPress</a>.' ),
+					self_admin_url( 'update-core.php' )
+				);
+			} elseif ( current_user_can( 'update_php' ) ) {
+				printf(
+					/* translators: %s: URL to Update PHP page. */
+					' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
+					esc_url( wp_get_update_php_url() )
+				);
+				wp_update_php_annotation( '</p><p><em>', '</em>' );
+			}
+		} elseif ( ! $theme['compatibleWP'] ) {
+			_e( 'This theme doesn&#8217;t work with your version of WordPress.' );
+			if ( current_user_can( 'update_core' ) ) {
+				printf(
+					/* translators: %s: URL to WordPress Updates screen. */
+					' ' . __( '<a href="%s">Please update WordPress</a>.' ),
+					self_admin_url( 'update-core.php' )
+				);
+			}
+		} elseif ( ! $theme['compatiblePHP'] ) {
+			_e( 'This theme doesn&#8217;t work with your version of PHP.' );
+			if ( current_user_can( 'update_php' ) ) {
+				printf(
+					/* translators: %s: URL to Update PHP page. */
+					' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
+					esc_url( wp_get_update_php_url() )
+				);
+				wp_update_php_annotation( '</p><p><em>', '</em>' );
+			}
+		}
+		echo '</p></div>';
+	}
+	?>
+
 	<span class="more-details" id="<?php echo $aria_action; ?>"><?php _e( 'Theme Details' ); ?></span>
 	<div class="theme-author">
 		<?php