Plugins: Disable "Update Now" button for plugins that require a highe…

…r version of PHP or WordPress.

This complements disabling the "Install Now" button in [43436].

Props afragen.
Fixes #46677. See #43986.

git-svn-id: https://develop.svn.wordpress.org/trunk@45043 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-wp-plugin-install-list-table.php

@@ -537,16 +537,23 @@ public function display_rows() {
 
 					case 'update_available':
 						if ( $status['url'] ) {
-							$action_links[] = sprintf(
-								'<a class="update-now button aria-button-if-js" data-plugin="%s" data-slug="%s" href="%s" aria-label="%s" data-name="%s">%s</a>',
-								esc_attr( $status['file'] ),
-								esc_attr( $plugin['slug'] ),
-								esc_url( $status['url'] ),
-								/* translators: %s: plugin name and version */
-								esc_attr( sprintf( __( 'Update %s now' ), $name ) ),
-								esc_attr( $name ),
-								__( 'Update Now' )
-							);
+							if ( $compatible_php && $compatible_wp ) {
+								$action_links[] = sprintf(
+									'<a class="update-now button aria-button-if-js" data-plugin="%s" data-slug="%s" href="%s" aria-label="%s" data-name="%s">%s</a>',
+									esc_attr( $status['file'] ),
+									esc_attr( $plugin['slug'] ),
+									esc_url( $status['url'] ),
+									/* translators: %s: plugin name and version */
+									esc_attr( sprintf( __( 'Update %s now' ), $name ) ),
+									esc_attr( $name ),
+									__( 'Update Now' )
+								);
+							} else {
+								$action_links[] = sprintf(
+									'<button type="button" class="button button-disabled" disabled="disabled">%s</button>',
+									_x( 'Cannot Update', 'plugin' )
+								);
+							}
 						}
 						break;