From 782454b39c29bd9f375ef9677d85b0600a2fb940 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Mon, 27 Jul 2020 15:02:19 +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, Add Themes screen, and the Customizer theme browser.

Props afragen, desrosj, SergeyBiryukov.
See #48491.

git-svn-id: https://develop.svn.wordpress.org/trunk@48638 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/theme-install.php                | 64 +++++++++++++++++--
 src/wp-admin/themes.php                       | 55 ++++++++++++++++
 .../class-wp-customize-theme-control.php      | 55 ++++++++++++++++
 3 files changed, 170 insertions(+), 4 deletions(-)

diff --git a/src/wp-admin/theme-install.php b/src/wp-admin/theme-install.php
index 2fbdc4ef64..8f9d3c6137 100644
--- a/src/wp-admin/theme-install.php
+++ b/src/wp-admin/theme-install.php
@@ -271,6 +271,66 @@ if ( $tab ) {
 	<# } else { #>
 		<div class="theme-screenshot blank"></div>
 	<# } #>
+
+	<# if ( data.installed ) { #>
+		<div class="notice notice-success notice-alt"><p><?php _ex( 'Installed', 'theme' ); ?></p></div>
+	<# } #>
+
+	<# if ( ! data.compatible_wp || ! data.compatible_php ) { #>
+		<div class="notice notice-error notice-alt"><p>
+			<# if ( ! data.compatible_wp && ! data.compatible_php ) { #>
+				<?php
+				_e( 'This theme doesn&#8217;t work with your versions of WordPress and PHP.' );
+				if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
+					printf(
+						/* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
+						' ' . __( '<a href="%1$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>' );
+				}
+				?>
+			<# } else if ( ! data.compatible_wp ) { #>
+				<?php
+				_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' )
+					);
+				}
+				?>
+			<# } else if ( ! data.compatible_php ) { #>
+				<?php
+				_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>' );
+				}
+				?>
+			<# } #>
+		</p></div>
+	<# } #>
+
 	<span class="more-details"><?php _ex( 'Details &amp; Preview', 'theme' ); ?></span>
 	<div class="theme-author">
 		<?php
@@ -338,10 +398,6 @@ if ( $tab ) {
 			<# } #>
 		</div>
 	</div>
-
-	<# if ( data.installed ) { #>
-		<div class="notice notice-success notice-alt"><p><?php _ex( 'Installed', 'theme' ); ?></p></div>
-	<# } #>
 </script>
 
 <script id="tmpl-theme-preview" type="text/template">
diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index 7dfb092a27..1af3ba6df5 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -615,6 +615,61 @@ function wp_theme_auto_update_setting_template() {
 		<# } #>
 	<# } #>
 
+	<# if ( ! data.compatibleWP || ! data.compatiblePHP ) { #>
+		<div class="notice notice-error notice-alt"><p>
+			<# if ( ! data.compatibleWP && ! data.compatiblePHP ) { #>
+				<?php
+				_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>' );
+				}
+				?>
+			<# } else if ( ! data.compatibleWP ) { #>
+				<?php
+				_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' )
+					);
+				}
+				?>
+			<# } else if ( ! data.compatiblePHP ) { #>
+				<?php
+				_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>' );
+				}
+				?>
+			<# } #>
+		</p></div>
+	<# } #>
+
 	<span class="more-details" id="{{ data.id }}-action"><?php _e( 'Theme Details' ); ?></span>
 	<div class="theme-author">
 		<?php
diff --git a/src/wp-includes/customize/class-wp-customize-theme-control.php b/src/wp-includes/customize/class-wp-customize-theme-control.php
index 270547baaf..64dc33a3e4 100644
--- a/src/wp-includes/customize/class-wp-customize-theme-control.php
+++ b/src/wp-includes/customize/class-wp-customize-theme-control.php
@@ -107,6 +107,61 @@ class WP_Customize_Theme_Control extends WP_Customize_Control {
 				</div>
 			<# } #>
 
+			<# if ( ! data.theme.compatibleWP || ! data.theme.compatiblePHP ) { #>
+				<div class="notice notice-error notice-alt"><p>
+					<# if ( ! data.theme.compatibleWP && ! data.theme.compatiblePHP ) { #>
+						<?php
+						_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>' );
+						}
+						?>
+					<# } else if ( ! data.theme.compatibleWP ) { #>
+						<?php
+						_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' )
+							);
+						}
+						?>
+					<# } else if ( ! data.theme.compatiblePHP ) { #>
+						<?php
+						_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>' );
+						}
+						?>
+					<# } #>
+				</p></div>
+			<# } #>
+
 			<# if ( data.theme.active ) { #>
 				<div class="theme-id-container">
 					<h3 class="theme-name" id="{{ data.section }}-{{ data.theme.id }}-name">