diff --git a/src/data_types.php b/src/data_types.php
new file mode 100644
index 0000000..56d3611
--- /dev/null
+++ b/src/data_types.php
@@ -0,0 +1,29 @@
+<?php
+
+function convert_to_int($input) {
+	return intval($input);
+}
+
+function convert_to_float($input) {
+	return floatval($input);
+}
+
+function convert_to_string($input) {
+	if (gettype($input) === 'array') {
+		return implode(", ", $input);
+	} else {
+		return strval($input);
+	}
+}
+
+function convert_to_bool($input) {
+	return boolval($input);
+}
+
+function convert_to_array($input) {
+	return array($input);
+}
+
+function convert_to_null($input) {
+	return null;
+}
\ No newline at end of file
diff --git a/src/index.php b/src/index.php
new file mode 100644
index 0000000..e69de29