diff --git a/src/data_types.php b/src/data_types.php
new file mode 100644
index 0000000..5e61086
--- /dev/null
+++ b/src/data_types.php
@@ -0,0 +1,110 @@
+<?php
+//convert_to_int
+function convert_to_int($int){
+  $value = intval($int);
+  if ($value) {
+    return $value;
+  } else {
+    return 0;
+  }
+}
+echo convert_to_int("Hold The DOOR!");
+
+
+//convert_to_float
+function convert_to_float($float){
+  $convert = floatval($float);
+  if($convert) {
+    return $convert;
+  } else {
+    return 0.0;
+  }
+}
+echo convert_to_float("pop");
+
+
+//convert_to_string
+function convert_to_string($string){
+  if(is_integer($string) || is_string($string) || is_float($string)){
+    return strval($string);
+  } elseif (is_array($string)) {
+    return implode(", ", $string);
+  } else {
+    $empty = '';
+    return $empty;
+  }
+}
+echo convert_to_string(["skate",45,"trap"]);
+
+
+//convert_to_bool
+function convert_to_bool($bool){
+  if(boolval($bool) == 1) {
+    return true;
+  } else {
+    return false;
+  }
+}
+echo convert_to_bool(798);
+
+
+// //convert_to_array
+// function convert_to_array($arr){
+//   if(is_array($arr)) {
+//     $test = array_values($arr);
+//     print_r($test);
+//   }
+//     elseif (is_int($arr) || is_string($arr) || is_float($arr) || is_bool($arr)) {
+//     $convert_arr = array($arr);
+//     print_r(array_values($convert_arr));
+//   } else {
+//       if (!$arr == null) {
+//       $empty = [];
+//       print_r($empty);
+//     } else
+//       print_r(null);
+//       var_dump($empty);
+//     }
+// }
+
+// echo convert_to_array(45);
+
+
+//convert_to_array
+function convert_to_array($arr){
+  if (is_array($arr)) {
+    return $arr;
+  } elseif (is_int($arr) || is_string($arr) || is_float($arr)) {
+    $convert_arr = array($arr);
+    var_dump($convert_arr);
+    return array_values($convert_arr);
+  } else {
+    $nothing = []; 
+    return $nothing;
+  }
+
+}
+
+return convert_to_array(null);
+
+
+
+
+
+
+
+
+
+
+
+
+//convert_to_null
+function convert_to_null($null){
+  if (!$null || $null === "null") {
+    return null;
+  } else {
+    return $null;
+  }
+}
+$test = convert_to_null("null");
+var_dump($test);
\ No newline at end of file