phpquery | Server-side implementation of jQuery in PHP5

In my web application just I trying to returning JSON data from MySQL database using PHP and AJAX query. This is where I follow a tutorial on internet. In case in my application it shows and error like;

data = "↵↵↵
↵Notice: Undefined index: lymph in C:\xampp\htdocs\Hospital\hospitalwebsite\test_query\fetch_count.php on line 29

Here is my AJAX Code :-

In my application, I am using Dynamic Dependent Select Box using Ajax and PHP. My website template is constructed using materialize js. In my console it successfully receive the values on Doctor Name in my application, but isn't load into the doctor name select box. With removing materialize js and materialize css it working fine.

Here is the code:

I am making parser of articles and i need to put all parsed data in josn. I tried to put them to array and then transform it in json, but i have some troubles. I get json like this:

[{"title":"title1"}][{"title":"title2"}][{"title":"title3"}]

but i want like this:

[{"title":"title1"},{"title":"title2"},{"title":"title3"}]

how i can do this?

I am beginner in PHP as well Ajax programming language. I did my project to store some data to mysqli database using PHP and Ajax, unfortunately it didn't save but validating each data.

Here is my code segment which I did, but no results:

I want to insert values ​​from PHP query DB to .js echart page, how do I transfer this data, so I can do the graph?

I want to count the waiting requests, transport to the Javascript responsible for the creation of the graph

I'm a programming beginner and I enjoy learning, I'm not a professional and I did not study it at school. Thanks for all the help and understanding.

phpquery.php :

I am doing some work with the amazon api(s) and have run into an issue while creating new documents in PHP query. I am using version 0.9.5

I am trying to run Drupal 8 on one of my servers, but during the in-browser installation of Drupal it's giving me a different PHP version (7.0.23) than when I run php -v on the command line (7.1.12).

When I do a locate bin/php I get several locations:

I'm developing a website with php database queries. On my Index.html I have my website with a seachbar and I have loaded my phpquery.php into a div.

I want now to type something into the searchbar and let the loaded phpquery.php reload within the div/window/frame. I'm trying to solve it with the GET method, so I just basically have to call up the URL with the search, but even with that it doesn't work.

my index.html:

I have two string variables - first variable is set manually inside code ($date1="14 июня"), second one parsed from remote page using cURL and phpQuery. If we print both variables, the result looks the same, but length and content are different: