Create gppa-multi-value-contains.php

Author: spivurno

gp-populate-anything/gppa-multi-value-contains.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Gravity Perks // Populate Anything // Search by Multiple Values w/ Contains
+ * https://gravitywiz.com/documentation/gravity-forms-populate-anything/
+ * 
+ * This snippet extends the "contains" operator to support comparisions where a multi-value field (like a Multi Select) 
+ * is the needle. Typically, the "in" operator would be used for this; however, it has the limitation of only being able
+ * to match full values rather than checking if any of the needles are contained in the haystack.
+ */
+add_filter( 'gppa_where_clause', function( $where_clause, $object, $table, $column, $operator, $value ) {
+
+	static $_processing;
+
+	if ( $_processing || ! is_array( $value ) || $operator !== 'contains' ) {
+		return $where_clause;
+	}
+
+	$_processing = true;
+
+	$clauses = array();
+	foreach ( $value as $_value ) {
+		$clauses[] = $object->build_where_clause( $table, $column, $operator, $_value );
+	}
+
+	$_processing = false;
+
+	return implode( "\nOR ", $clauses );
+}, 10, 6 );