A WordPress MU plugin that temporarily suppresses PHP warnings that appear when translations are loaded too early

surpress-textdomain-warning.php

<?php
/**
 * Plugin Name: Surpress Textdomain Warning
 * Description: MU Plugin to suppress warnings that occur when translations are loaded too early.
 * Requires at least: 6.7
 * Requires PHP: 7.4
 * Version: 1.0.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * This function is to suppress PHP warnings that occur when translations are loaded too early.
 * Ideally, the plugin or theme itself should be fixed, but if they aren't yours and it's difficult
 * to fix, this function will allow you to temporarily suppress the warning.
 */
function surpress_textdomain_warning( $trigger, $function_name, $message, $version ) {
	// Return the default trigger for unrelated errors.
	if ( '_load_textdomain_just_in_time' !== $function_name || '6.7.0' !== $version ) {
		return $trigger;
	}

	// Define the textdomains that are causing the warning.
	$textdomains = array(
		'plugin-one',
		'plugin-two',
	);

	// Don't trigger warning if the textdomain is in the message.
	foreach ( $textdomains as $textdomain ) {
		if ( strpos( $message, '<code>' . $textdomain . '</code>' ) !== false ) {
			return false;
		}
	}

	return $trigger;
}
add_filter( 'doing_it_wrong_trigger_error', 'surpress_textdomain_warning', 10, 4 );