Kint is a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().
As of April 2026, Kint PHP Debugger is a WordPress kint plugin with 100 active installations and a 5/5 rating from 12 reviews. It has been downloaded 13K+ times in total. Requires WordPress 3.5+ and PHP 5.3+. Available on WordPress.org since 2015. Last updated 7 years ago — may have compatibility concerns. Top alternative: PCo Kint.
This WordPress plugin is a wrapper for the Kint PHP Debugger utility version 1.x. Now instead of using var_dump() or print_r(), you simply use d() with zero, nadda, no formatting required.
Use this tool when you are debugging your website, in place of var_dump(), print_r() and debug_backtrace().
Some handy tools just for the PHP Developer:
d( $var ); to render a collapsible UI container which displays your variable data in “the most informative way”ddd( $var ); same as d() except that it also executes die() to halt execution.Here are some variations of d() to give you the display you want:
~d( $var ); outputs in plain text format.+d( $var ); disregards depth level limits and outputs everything!d( $var ); shows expanded rich output-d( $var ); attempts to ob…| WordPress | 3.5+ requiredTested up to 5.1.22 |
| PHP | 5.3+ required |
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