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JSON data is received in incomplete format in php?

I am creating a super simple website application that calls an API to retrieve backlink data for any website entered by the user in the specified application. The data sent by the API includes strings (for example, http://www.domain.com/?feed=rss ) and numbers and are in JSON format. I analyze the answer as follows:

mozResponse = JSON.parse(response);

Then I repeat this data, clicking only the data that I want on 2 new arrays (arry, arry1) declared as follows:

arry = []; 
arry1 = [];

Click as follows:

arry.push({id:i, url:mozResponse[i].uu, pa:Math.round(mozResponse[i].upa), da:Math.round(mozResponse[i].pda), anchor:mozResponse[i].lt});

Then I rigor these two arrays as follows:

    var cautionArrayString = JSON.stringify(arry);
    var dangerArrayString = JSON.stringify(arry1);

I use JavaScript XMLHTTPRequest to send this data to a php file as follows:

var queryString = "email=" + Email + "&caution=" + cautionArrayString + "&danger=" + dangerArrayString;
xhr1.onreadystatechange=Response1;
xhr1.open("post","http://example.com/emails.php",true);
xhr1.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xhr1.send(queryString);

Then the php file reads:

$caution = $_POST['caution']; 
$danger = $_POST['danger'];

, JSON , , , . , console.log php , php, :

echo($_POST['caution']);
echo ($_POST['danger']);

Console.log :

[{"id":3,"url":"example.ca/","pa":26,"da":12,"anchor":"Example"},    
{"id":4,"url":"example.ca/","pa":26,"da":12,"anchor":"thank you gifts"},  
{"id":5,"url":"example.ca/","pa":26,"da":12,"anchor":"flowers"},
{"id":6,"url":"example.ca/","pa":26,"da":12,"anchor":"thank you"},
{"id":7,"url":"example.ca/","pa":26,"da":12,"anchor":"Arrive in Style"},
{"id":8,"url":"example.ca/","pa":26,"da":12,"anchor":"dignity"},
{"id":9,"url":"example.ca/","pa":26,"da":12,"anchor":"Beautiful in Blue"},
{"id":10,"url":"example.ca/","pa":26,"da":12,"anchor":"Blooming Garden Basket"},
{"id":11,"url":"example.ca/","pa":26,"da":12,"anchor":"Country Basket Blooms"},
{"id":12,"url":"example.ca/","pa":26,"da":12,"anchor":"Heart’s Delight"},
{"id":13,"url":"example.ca/","pa":26,"da":12,"anchor":"Make a Wish"},
{"id":14,"url":"example.ca/","pa":26,"da":12,"anchor":"Moondance"},
{"id":15,"url":"example.ca/","pa":26,"da":12,"anchor":"Queen’s Court"},
{"id":16,"url":"example.ca/","pa":26,"da":12,"anchor":"Sweet as Sugar"},
{"id":17,"url":"example.ca/","pa":26,"da":12,"anchor":"flower colors"},
{"id":18,"url":"example.ca/","pa":26,"da":12,"anchor":"Always Yours"},
{"id":19,"url":"example.ca/","pa":26,"da":12,"anchor":"Sunrise, Sunset"},
{"id":20,"url":"example.ca/","pa":26,"da":12,"anchor":"Uniquely Chic"},
{"id":21,"url":"example.com/best/index.php?page=1998","pa":25,"da":31,"anchor":"example.ca/"},
{"id":22,"url":"example.com/best/index.php?page=1994","pa":25,"da":31,"anchor":"example.ca/"},
{"id":23,"url":"example.ca/","pa":25,"da":16,"anchor":"example"},
{"id":28,"url":"example.ca/article/156-best-cms-for-small-business","pa":22,"da":39,"anchor":"example.ca/"},
{"id":30,"url":"example.ca/blog.html","pa":21,"da":15,"anchor":"example.ca/"},
{"id":31,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Example"},
{"id":32,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Arrive in Style"},
{"id":33,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Beautiful in Blue"},
{"id":34,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Blooming Garden Basket"},
{"id":35,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Country Basket Blooms"},
{"id":36,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Heart’s Delight"},
{"id":37,"url":"example.ca/beyond-the-flowers-choosing-a-vase/","pa":20,"da":12,"anchor":"Make a Wish"},
{"id":38,"url":"example.ca/gifts.html","pa":19,"da":11,"anchor":"example- <span class=\"catlist\"> Flowers</span>"},
{"id":39,"url":"example.ca/category/flowers/","pa":19,"da":16,"anchor":"Example"},
{"id":40,"url":"example.ca/category/floral-fauna/","pa":19,"da":16,"anchor":"Example"},
{"id":41,"url":"nunavut.findstuffhere.ca/nunavut/?feed=rss2[]

, 1- , ( !). , , ?

  • 3 URL- . 1 URL-, 2 ( ) JSON, -, - , URL-, API.
  • console.log(mozResponse),
  • console.log(arry) and console.log(arry1) mozResponse mozResponse arry/arry1, -
  • console.log(arry) console.log(arry1) JSON.stringify, php

,

  • , URL-, API, (,? Feed = rss2, ),
  • , JSON, json_last_error(); 0.
  • JSON/POST char , JSON, URL- ( $_POST URL- , , )
  • phpinfo, max_vars,

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+4
1

, :

var cautionArrayString = encodeURIComponent(JSON.stringify(arry));
var dangerArrayString = encodeURIComponent(JSON.stringify(arry1));

var queryString = "email=" + encodeURIComponent(Email) + "&caution=" + cautionArrayString + "&danger=" + dangerArrayString;

json URL-, .

, ...

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