replace only basedir

Author: tijmenbruggeman

src/class-tiny-plugin.php

@@ -945,14 +945,12 @@ public function backup_original_image( $attachment_id ) {
 
 		$file_path  = $original_image->filename;
 		$upload_dir = wp_upload_dir();
-		if ( Tiny_Helpers::str_starts_with( $file_path, $upload_dir['basedir'] ) ) {
-			$replacements = 1;
-			$file_path = str_replace( $upload_dir['basedir'], '', $original_image->filename, $replacements );
-			$file_path = ltrim( $file_path, '/' );
+		$basedir    = trailingslashit( $upload_dir['basedir'] );
+		if ( Tiny_Helpers::str_starts_with( $file_path, $basedir ) ) {
+			$file_path = substr( $file_path, strlen( $basedir ) );
 		}
 
-		$upload_base = trailingslashit( $upload_dir['basedir'] );
-		$backup_file = $upload_base . 'tinify_backup/' . $file_path;
+		$backup_file = $basedir . 'tinify_backup/' . $file_path;
 
 		$wp_filesystem = Tiny_Helpers::get_wp_filesystem();