Filter hook 'pre_user_login'

in WP Core File wp-includes/user.php at line 2233

View Source

pre_user_login

Filter Hook
Description
Filters a username after it has been sanitized. This filter is called before the user is created or updated.

Hook Information

File Location wp-includes/user.php View on GitHub
Hook Type Filter
Line Number 2233

Hook Parameters

Type Name Description
string $sanitized_user_login Username after it has been sanitized.

Usage Examples

Basic Usage
<?php
// Hook into pre_user_login
add_filter('pre_user_login', 'my_custom_filter', 10, 1);

function my_custom_filter($sanitized_user_login) {
    // Your custom filtering logic here
    return $sanitized_user_login;
}

Source Code Context

wp-includes/user.php:2233 - How this hook is used in WordPress core
<?php
2228  	 *
2229  	 * @since 2.0.3
2230  	 *
2231  	 * @param string $sanitized_user_login Username after it has been sanitized.
2232  	 */
2233  	$pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login );
2234  
2235  	// Remove any non-printable chars from the login string to see if we have ended up with an empty username.
2236  	$user_login = trim( $pre_user_login );
2237  
2238  	// user_login must be between 0 and 60 characters.

PHP Documentation

<?php
/**
	 * Filters a username after it has been sanitized.
	 *
	 * This filter is called before the user is created or updated.
	 *
	 * @since 2.0.3
	 *
	 * @param string $sanitized_user_login Username after it has been sanitized.
	 */
Quick Info
  • Hook Type: Filter
  • Parameters: 1
  • File: wp-includes/user.php
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