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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2190 | $raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url']; |
| 2191 | |
| 2192 | /** |
| 2193 | * Filters a user's URL before the user is created or updated. |
| 2194 | * |
| 2195 | * @since 2.0.3 |
| 2196 | * |
| 2197 | * @param string $raw_user_url The user's URL. |
| 2198 | */ |
| 2199 | $user_url = apply_filters( 'pre_user_url', $raw_user_url ); |
| 2200 | |
| 2201 | if ( mb_strlen( $user_url ) > 100 ) { |
| 2202 | return new WP_Error( 'user_url_too_long', __( 'User URL may not be longer than 100 characters.' ) ); |
| 2203 | } |
| 2204 | |
| 2205 | $user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered']; |
| 2206 | |
| 2207 | $user_activation_key = empty( $userdata['user_activation_key'] ) ? '' : $userdata['user_activation_key']; |
| 2208 | |