Generate JSON structured data with php

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Sometimes you might want to generated JSON data dynamically. Below is the php code to achieve that . The $global variables are variables taken from the php page it self. For example you might have some variables stated in the top of the page and use those for the json generation script.

<!--?php 
function structureddata() { //all below global variables are to you used from your php page it self
  global $page_title;
  global $description;
  global $page_url;
  $siteName = "Example"; //your site name
  global $datePublished;
  global $dateModified;
  global $str_data_images;
  global $site_root;
  $itemNumber = 1;
  $root_domain = ($_SERVER['HTTPS'] ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'].'/';
  $jsondata .= '<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-wp-preserve="%3Cscript%20type%3D%22application%2Fld%2Bjson%22%3E'%3B%0A%20%20%24jsondata%20.%3D%20'%7B'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40context%22%3A%20%22http%3A%2F%2Fschema.org%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40type%22%3A%20%22NewsArticle%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20'%22mainEntityOfPage%22%3A%20%7B'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40type%22%3A%20%22WebPage%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22%40id%5C%22%3A%20%5C%22%7B%24page_url%7D%5C%22%22%3B%0A%20%20%24jsondata%20.%3D%20'%7D%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22headline%5C%22%3A%20%5C%22%7B%24page_title%7D%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20'%22image%22%3A%20%5B'%3B%0A%20%20%20%20foreach%20(%24str_data_images%20as%20%24str_data_image)%20%7B%0A%20%20%20%20%24jsondata%20.%3D%20%22%24str_data_image%2C%22%3B%0A%20%20%20%20%7D%0A%20%20%24jsondata%20%3D%20trim(%24jsondata%2C%22%2C%22)%3B%0A%20%20%24jsondata%20.%3D%20'%5D%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22datePublished%5C%22%3A%20%5C%22%7B%24datePublished%7D%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22dateModified%5C%22%3A%20%5C%22%7B%24dateModified%7D%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20'%22author%22%3A%20%7B'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40type%22%3A%20%22Person%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22name%5C%22%3A%20%5C%22%7B%24siteName%7D%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22email%5C%22%3A%20%5C%22mailto%3Aadmin%40example.com%5C%22%2C%22%3B%20%2F%2Fyour%20email%20address%0A%20%20%24jsondata%20.%3D%20%22%5C%22url%5C%22%3A%20%5C%22https%3A%2F%2Fexample.com%2Fcontact%2F%5C%22%22%3B%20%2F%2F%20your%20contact%20page%0A%20%20%24jsondata%20.%3D%20'%7D%2C'%3B%0A%20%20%24jsondata%20.%3D%20'%22publisher%22%3A%20%7B'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40type%22%3A%20%22Organization%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22name%5C%22%3A%20%5C%22%7B%24siteName%7D%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20'%22logo%22%3A%20%7B'%3B%0A%20%20%24jsondata%20.%3D%20'%22%40type%22%3A%20%22ImageObject%22%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22url%5C%22%3A%20%5C%22%7B%24site_root%7D%2Fstatic%2Fimages%2Flogo.png%5C%22%2C%22%3B%0A%20%20%24jsondata%20.%3D%20'%22width%22%3A%20%22184%22%2C'%3B%20%2F%2Fyour%20logo%20width%0A%20%20%24jsondata%20.%3D%20'%22height%22%3A%20%2260%22'%3B%20%2F%2F%20your%20lego%20height%20(must%20be%2060px)%0A%20%20%24jsondata%20.%3D%20'%7D'%3B%0A%20%20%24jsondata%20.%3D%20'%7D%2C'%3B%0A%20%20%24jsondata%20.%3D%20%22%5C%22description%5C%22%3A%20%5C%22%7B%24description%7D%5C%22%7D%22%3B%0A%20%20%24jsondata%20.%3D%20'%7D'%3B%0A%20%20%24jsondata%20.%3D%20'%3C%2Fscript%3E" data-mce-resize="false" data-mce-placeholder="1" class="mce-object" width="20" height="20" alt="&lt;script&gt;" title="&lt;script&gt;" ?-->';
  return $jsondata;
}
echo structureddata();
?>

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