gpls-use-field-value-in-validation-message.php: Added new snippet.

gp-limit-submissions/gpls-use-field-value-in-validation-message.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * Gravity Perks // Limit Submissions // Include Field Value in Validation Message
+ * https://gravitywiz.com/documentation/gravity-forms-limit-submissions/
+ */
+// Update "123" to your form ID and "4" to your field ID. Duplicate this line and update the field ID for each field to which this should apply.
+add_filter( 'gpls_field_validation_message_123_4', 'gpls_include_field_value_in_validation_message', 10, 2 );
+add_filter( 'gpls_field_validation_message_123_5', 'gpls_include_field_value_in_validation_message', 10, 2 );
+
+function gpls_include_field_value_in_validation_message( $message, $gpls_enforce ) {
+	$bits = explode( '_', current_filter() );
+	if ( count( $bits ) === 6 ) {
+		$field_id = array_pop( $bits );
+    // Update your validation message as desired.
+		$message  = sprintf( 'You have entered "%s" in this field before.', rgpost( "input_{$field_id}" ) );
+	}
+	return $message;
+}