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Disabling the XML-RPC API on a WordPress site running 3.5 or above. …

If you changed a post permalink and you want to let old one works fine, in your WordPress site .htaccess file add next line:

Where ‘/about’ is old relative URL and ‘http://example.com/about-me’ new URL  

If its necessary pass to the function a lot of variables – its possible compact them into associative array by next function …

Using next code in wp-config.php file is possible to allow WordPress use more memory for its processes and increase the process performance time:

If its necessary to clean all HTML tags and JS scripts from any content next PHP function will do the job …

Using JavaScript function ‘splice’ for removing items from JavaScript array …

If we have associative PHP array and its necessary print it in JavaScript array, we ca use next PHP code:

   

If its necessary to check is string we got is serialized array and unserialize it if its true …

If its necessary, for example in any PHP loop (foreach) using any defined logic call specialized function with arguments by that logic –  next code will do it: