validate_username

Filter Hook

Description

Filters whether the provided username is valid.

Hook Information

File Location	`wp-includes/user.php` View on GitHub
Hook Type	Filter
Line Number	`2122`

Hook Parameters

Type	Name	Description
`bool`	`$valid`	Whether given username is valid.
`string`	`$username`	Username to check.

Usage Examples

Basic Usage

<?php
// Hook into validate_username
add_filter('validate_username', 'my_custom_filter', 10, 2);

function my_custom_filter($valid, $username) {
    // Your custom filtering logic here
    return $valid;
}

Source Code Context

wp-includes/user.php:2122 - How this hook is used in WordPress core

<?php
2117  	 * @since 2.0.1
2118  	 *
2119  	 * @param bool   $valid    Whether given username is valid.
2120  	 * @param string $username Username to check.
2121  	 */
2122  	return apply_filters( 'validate_username', $valid, $username );
2123  }
2124  
2125  /**
2126   * Inserts a user into the database.
2127   *

PHP Documentation

<?php
/**
	 * Filters whether the provided username is valid.
	 *
	 * @since 2.0.1
	 *
	 * @param bool   $valid    Whether given username is valid.
	 * @param string $username Username to check.
	 */

Quick Info

Hook Type: Filter
Parameters: 2
File: wp-includes/user.php

Links

WordPress Docs View Source Code Search Examples

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