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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 |
|---|---|
| 316 | $redirect['path'] = trailingslashit($redirect['path']) . $wp_rewrite->index . '/'; |
| 317 | if ( !empty( $addl_path ) ) |
| 318 | $redirect['path'] = trailingslashit($redirect['path']) . $addl_path; |
| 319 | $redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path']; |
| 320 | } |
| 321 | |
| 322 | if ( 'wp-register.php' == basename( $redirect['path'] ) ) { |
| 323 | if ( is_multisite() ) { |
| 324 | /** This filter is documented in wp-login.php */ |
| 325 | $redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ); |
| 326 | } else { |
| 327 | $redirect_url = site_url( 'wp-login.php?action=register' ); |
| 328 | } |
| 329 | |
| 330 | wp_redirect( $redirect_url, 301 ); |
| 331 | die(); |
| 332 | } |
| 333 | } |
| 334 | |