- Status
- Resolved
- Reported for
- Advanced Custom Fields Multilingual 2.0.5
- Resolved in
- Advanced Custom Fields Multilingual 2.1.0
- Related plugin/theme
- Advanced Custom Fields (ACF)
- Topic tags
- Bug, Compatibility
Overview of the issue
If you’re using the Advanced Custom Fields plugin with WPML, you might encounter a PHP fatal error like the following:
PHP Fatal error: Uncaught TypeError: md5(): Argument #1 ($string) must be of type string, array given in .../wp-content/plugins/acfml/classes/Strings/Package.php:97
Workaround
Please, make sure of having a full backup of your site before proceeding.
- Open …/wp-content/plugins/acfml/classes/Strings/Traversable/Field.php file.
- Look for line 24.
- Change:
protected function transform( Transformer $transformer, $value, $config ) { if ( is_array( $value ) ) { foreach ( $value as $key => $label ) { $value[ $key ] = $transformer->transform( $label, $config ); } } else { $value = $transformer->transform( $value, $config ); } return $value; } - For:
protected function transform( Transformer $transformer, $value, $config ) { if ( is_array( $value ) ) { foreach ( $value as $key => $label ) { if ( is_string( $label ) ) { $value[ $key ] = $transformer->transform( $label, $config ); } } } else { $value = $transformer->transform( $value, $config ); } return $value; }