• Functions Inspecting Arguments

    Functions inspecting arguments report the current parameter value. Learn more in our expert PHP Migration Knowledge Base.

  • Removed PHP 4 Style Constructor

    PHP 4 style class constructor is removed. Learn more about how this impacts your migration in our expert PHP Migration Knowledge Base.

  • Contact Operator Precedence

    Using an unparenthesized expression containing a "." before a "+" or "-" has been deprecated in PHP 7.4 and removed in PHP 8.0. Find the details in our PHP Migration Knowledge Base.

  • Function Name Restrictions

    PHP has reserved all method names with a double underscore prefix for future use. Learn more in our PHP Migration Knowledge Base.

  • Outside Object Context

    "$this" can no longer be used in a plain function or method since PHP 7.1. Find workarounds and solutions in our PHP Migration Knowledge Base.

  • INI Directive Deprecations

    INI directive '[...]' is deprecated since PHP X.Y and removed since PHP X.Y. Find the details in our PHP Migration Knowledge Base.

  • Deprecated mysql_

    Extension 'mysql_' is deprecated since PHP 5.5 and removed since PHP 7.0; Use mysqli instead. Find the details in our PHP Migration Knowledge Base.

  • PHP 8.3: What's New and What Changed

    PHP 8.3 released on November 23, 2023. Our expert breaks down what's new, what changed, and particular features developers should be aware of.

  • PHP vs. Node.js: The Best Back-End Language for Web Apps

    PHP vs. Node.Js: Which is best for your web app? Explore the differences in PHP vs. Node.js performance, security, and best use cases in this expert blog.

  • Upgrading to PHP 8.2: Deprecations and Changes to Watch

    Need to upgrade to PHP 8.2? Get an overview of how to do it, roadblocks to watch for when planning your upgrade, and alternative options if you are using PHP 8.2 EOL.