从PHP json编码接收数据时JSON解析错误

I am currently developing an application that injects links, images and other stuff that a user inputs through a form. After the submit button is pressed, a PHP script generates an array based on form data and encodes it as JSON. However, the recieving javascript file that uses an AJAX call (jquery AJAX) gives me that there is a PARSE ERROR. The message is as following:I am currently developing an application that i