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  1. Trailing Question Mark in URLs
    The best way to deal with a trailing question mark is probably just to make it a bad request, because it is a very odd thing to find in a request URL.
  2. PHP: Call to a member function is() on null
    This happens when trying to access methods on objects that are not instantiated. Always check if an object is instantiated before trying to use it.
  3. Using proxy servers with cURL in PHP
    Tutorial on how to use proxy servers with cURL and PHP
  4. Determining an optimal value for pm.max_children
    How to determine an optimal value for pm.max_children and related php-fpm settings for your server and web applications.
  5. camelCase vs Underscores in PSR-1
    PSR-1 does not permit underscores for method names, but it probably should. Also, class names most use StudlyCaps.
  6. PHP: Using Echo, Print, Print_r and Var_dump
    This tutorial explains how to use the print_r and var_dump functions, and the difference between echo and print.
  7. How output buffering works in PHP
    Flushing and output buffering goes hand in hand, and in this article I try to examine the benefits and disadvantages to flushing.
  8. Ondřej's PPA and support for non-LTS, Ubuntu 21.10
    Non-LTS releases will not be supported by the Ondřej PPA from 22.04 onward, but here is why you probably do not need it anyway.
  9. PHP E_WARNING
    Warnings are errors that occur when something is probably not expected or desired, and generally developers try account for them in their code to avoid serious issues.
  10. Custom request headers with cURL in PHP
    Setting custom HTTP Headers with cURL is useful when changing User Agent or Cookies. Headers can be changed two ways, both using the curl_setopt function.