PHP those pits

1. Create array is not new array (), is $aaa =array (), no new, array can pass in key value $aaa=array ("Key" = "value");

2. Stitching strings with ".", not "+"

3. The attribute of a class is not point, use->, and the attribute does not add $,ps: $obj->properti= "BBBB";

4. To return the JSON object, use Json_encode (), if the Jsonarray type is to create the array first, give a key value, and then Json_encode ()

5. Direct access to the ***.php may be Unicode code, without the tube, Ajax access is always normal. You can also add a header ("content-type:text/html; Charset=utf-8 ");

6. Submit the form it is best to use the Post method, using the Get method to find that the parameters are not passed in.

PHP those pits