diff --git a/data_types.php b/data_types.php
new file mode 100644
index 0000000..9cc58c8
--- /dev/null
+++ b/data_types.php
@@ -0,0 +1,88 @@
+<?php
+
+$a = "99";
+$b = 99;
+$c = 1.99;
+$d = "1909";
+$e = 1;
+
+//Convert string to Int
+(int)$a;
+var_dump($a + 0); //int(99)
+
+//convert int to_float()
+(float)$b;
+var_dump($b + .7); // float(99.7)
+
+//convert int_to_string()  using Inline variable parsing
+echo "I'd like {$b} waffles\n"; // I'd like 99 waffles
+
+//or explicit
+echo (string)$b; // 99
+
+//convert int_to_bool()
+var_dump((bool)$e); // bool(true)
+echo ((bool)$c) ? 'true' : 'false'; // true
+
+
+//convert int_to_array()
+$array  = array_map('intval', str_split($d));
+var_dump($array);
+
+//convert_to_null()
+$newA =  is_null($a);
+var_dump($newA);
+?>
+
+<?php
+
+//Convert to Int
+function convert_to_int($input = "0"){		
+   return $input;
+}
+ 
+ echo convert_to_int();
+?>
+
+<?php 
+//Convert to float
+ $num = "7.5"; 
+ $rating = floatval($num);
+
+function convert_to_float($rating){
+    return $rating;
+}
+
+echo convert_to_float($rating);
+?>
+
+<?php
+//Convert to String
+
+$input = 555;
+
+function convert_to_string($input){
+    return "$input";
+}
+echo convert_to_string($input);
+?>
+
+<?php
+//Convert to bool
+$var = 0;
+$input = boolval($var);
+
+function convert_to_bool($input){
+    if(is_bool($input) === true){
+        echo "Booyah! A Boolean!";
+    } else {
+        echo "404 error";
+    }
+}
+echo convert_to_bool($input);
+
+?>
+
+    
+
+