save_mod_rewrite_rules()

Updates the htaccess file with the current rules if it is writable.


Description Description

Always writes to the file if it exists and is writable to ensure that we blank out old rules.


Return Return

(bool|null) True on write success, false on failure. Null in multisite.


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Source Source

File: wp-admin/includes/misc.php

function save_mod_rewrite_rules() {
	if ( is_multisite() ) {
		return;
	}

	global $wp_rewrite;

	// Ensure get_home_path() is declared.
	require_once( ABSPATH . 'wp-admin/includes/file.php' );

	$home_path     = get_home_path();
	$htaccess_file = $home_path . '.htaccess';

	/*
	 * If the file doesn't already exist check for write access to the directory
	 * and whether we have some rules. Else check for write access to the file.
	 */
	if ( ( ! file_exists( $htaccess_file ) && is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || is_writable( $htaccess_file ) ) {
		if ( got_mod_rewrite() ) {
			$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
			return insert_with_markers( $htaccess_file, 'WordPress', $rules );
		}
	}

	return false;
}

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Changelog Changelog

Changelog
Version Description
1.5.0 Introduced.


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