Ticket #39309: 39309-phpbug.3.diff

src/wp-admin/includes/file.php

@@ -1147 +1147 @@
                 );
         }
 
+        // Check for a edge-case affecting PHP Maths abilities
+        if (
+                ! extension_loaded( 'sodium' ) &&
+                in_array( PHP_VERSION_ID, [ 70200, 70201, 70202 ], true ) &&
+                extension_loaded( 'opcache' )
+        ) {
+                // Sodium_Compat isn't compatible with PHP 7.2.0~7.2.2 due to a bug in the PHP Opcache extension, bail early as it'll fail.
+                // https://bugs.php.net/bug.php?id=75938
+
+                return new WP_Error(
+                        'signature_verification_unsupported',
+                        sprintf(
+                                /* translators: 1: The filename of the package. */
+                                __( 'The authenticity of %1$s could not be verified as signature verification is unavailable on this system.' ),
+                                '<span class="code">' . esc_html( $filename_for_errors ) . '</span>'
+                        ),
+                        array(
+                                'php'    => phpversion(),
+                                'sodium' => defined( 'SODIUM_LIBRARY_VERSION' ) ? SODIUM_LIBRARY_VERSION : ( defined( 'ParagonIE_Sodium_Compat::VERSION_STRING' ) ? ParagonIE_Sodium_Compat::VERSION_STRING : false ),
+                        )
+                );
+
+        }
+
         if ( ! $signatures ) {
                 return new WP_Error(
                         'signature_verification_no_signature',