Rename variable for clarity

src/IterableCodeExtractor.php

@@ -18,8 +18,8 @@ trait IterableCodeExtractor {
 	/**
 	 * Extract the translations from a file.
 	 *
-	 * @param array|string $file         A path of a file or files
-	 * @param Translations $translations The translations instance to append the new translations.
+	 * @param array|string $file_or_files A path of a file or files
+	 * @param Translations $translations  The translations instance to append the new translations.
 	 * @param array        $options      {
 	 *     Optional. An array of options passed down to static::fromString()
 	 *
@@ -28,25 +28,25 @@ trait IterableCodeExtractor {
 	 * }
 	 * @return null
 	 */
-	public static function fromFile( $file, Translations $translations, array $options = [] ) {
-		foreach ( static::getFiles( $file ) as $f ) {
+	public static function fromFile( $file_or_files, Translations $translations, array $options = [] ) {
+		foreach ( static::getFiles( $file_or_files ) as $file ) {
 			if ( ! empty( $options['restrictFileNames'] ) ) {
-				$basename = Utils\basename( $f );
+				$basename = Utils\basename( $file );
 				if ( ! in_array( $basename, $options['restrictFileNames'], true ) ) {
 					continue;
 				}
 			}
 
 			// Make sure a relative file path is added as a comment.
-			$options['file'] = ltrim( str_replace( static::$dir, '', Utils\normalize_path( $f ) ), '/' );
+			$options['file'] = ltrim( str_replace( static::$dir, '', Utils\normalize_path( $file ) ), '/' );
 
-			$string = file_get_contents( $f );
+			$string = file_get_contents( $file );
 
 			if ( ! $string ) {
 				WP_CLI::debug(
 					sprintf(
 						'Could not load file %1s',
-						$f
+						$file
 					)
 				);