if ( is_null( $params['lang'] ) ) {
$langObj = $this->getLanguage();
} elseif ( !Language::isValidCode( $params['lang'] ) ) {
- $this->dieUsage( 'Invalid language code for parameter lang', 'invalidlang' );
+ $this->dieWithError(
+ [ 'apierror-invalidlang', $this->encodeParamName( 'lang' ) ], 'invalidlang'
+ );
} else {
$langObj = Language::factory( $params['lang'] );
}
if ( !is_null( $params['title'] ) ) {
$title = Title::newFromText( $params['title'] );
if ( !$title || $title->isExternal() ) {
- $this->dieUsageMsg( [ 'invalidtitle', $params['title'] ] );
+ $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] );
}
} else {
$title = Title::newFromText( 'API' );