• Function each() Is Deprecated

    Find solutions for when the function each() is deprecated during a PHP migration in our PHP Migration Knowledge Base.

  • 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.