Ticket #36587: 36587.2.patch

src/wp-includes/class-wp-image-editor-imagick.php

@@ -51 +51 @@
                 if ( ! extension_loaded( 'imagick' ) || ! class_exists( 'Imagick', false ) || ! class_exists( 'ImagickPixel', false ) )
                         return false;
 
-                if ( version_compare( phpversion( 'imagick' ), '2.2.0', '<' ) )
+                $imagick_version = phpversion( 'imagick' );
+                if ( version_compare( $imagick_version, '2.2.0', '<' ) ) {
                         return false;
+                }
 
+                // Imagick 3.4 is throwing exceptions in PHP 7, see https://core.trac.wordpress.org/ticket/36587.
+                if ( version_compare( phpversion(), '7.0', '>=' ) && version_compare( $imagick_version, '3.4', '>=' ) && version_compare( $imagick_version, '3.4.2', '<' ) ) {
+                        return false;
+                }
+
                 $required_methods = array(
                         'clear',
                         'destroy',