gpml-gfur-delete-previous-image.php: Migrated from experimental folder.

gp-media-library/gpml-gfur-delete-previous-image.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Gravity Perks // Media Library + Gravity Forms User Registration // Delete Previous Image
+ * https://gravitywiz.com/documentation/gravity-forms-media-library/
+ *
+ * Experimental Snippet 🧪
+ */
+add_filter( 'update_user_metadata', function( $return, $object_id, $meta_key, $meta_value, $prev_value ) {
+
+	// Update "your_meta_key" to the user meta key you are mapping your GPML-enabled field to.
+	if ( $meta_key !== 'your_meta_key' ) {
+		return $return;
+	}
+
+	$prev_value = get_user_meta( $object_id, $meta_key, true );
+	$file_id    = attachment_url_to_postid( $prev_value );
+	if ( $file_id ) {
+		wp_delete_attachment( $file_id );
+	}
+
+	return $return;
+}, 10, 5 );