Last updated on September 17, 2015
Here is the list of type checking function in PHP.
| Function | Description |
| is_array() | Check for array type |
| is_bool() | Check for true or false type |
| is_float() | Check for floating point number type |
| is_integer() | Check for integer type |
| is_null() | Check for null value |
| is_numeric() | Check for numeric value |
| is_object() | Check for object type |
| is_resource() | Check for resource type |
| is_scalar() | Check for scalar data type |
| is_string() | Check for string or not |