plugins.php

<?php
global $hooked_function;
$hooked_function = array( 'check' => array(), 'reserve' => array(), 'cancel' => array() );
$dir             = EGUIDE_PATH . '/plugins';
$basename        = basename( __FILE__ );

// read plugin language file
function eguide_plugin_language( $file ) {
	global $xoopsConfig;
	$lang  = __DIR__ . '/plugins/language';
	$nlang = $lang . '/' . $xoopsConfig['language'] . '/' . $file;
	if ( file_exists( $nlang ) ) {
		return include_once $nlang;
	}
	$nlang = $lang . '/english/' . $file; // fallback

	return include_once $nlang;
}

// register plugin functions
function eguide_plugin_register( $name ) {
	global $hooked_function;
	foreach ( array( 'check', 'reserve', 'cancel' ) as $act ) {
		$func = 'eguide_' . $name . '_' . $act;
		if ( function_exists( $func ) ) {
			$hooked_function[ $act ][] = $func;
		}
	}
}

if ( $xoopsModuleConfig['use_plugins'] && is_dir( $dir ) ) {
	$plugins = eguide_form_options( 'eguide_plugins', '' );
	if ( $plugins ) {
		foreach ( explode( ',', $plugins ) as $name ) {
			$file = "$name.php";
			if ( include( "$dir/$file" ) ) {
				eguide_plugin_language( $file );
				eguide_plugin_register( $name );
			}
		}
	} else {    // search module control plugins
		$dh = opendir( $dir );
		while ( $file = readdir( $dh ) ) {
			if ( preg_match( '/^([\w\d]+)\.php$/', $file, $d ) ) {
				$name           = $d[1];
				$module_handler =& xoops_gethandler( 'module' );
				$module         =& $module_handler->getByDirname( $name );

				if ( $module && $module->getVar( 'isactive' ) && include( "$dir/$file" ) ) {
					eguide_plugin_language( $file );
					eguide_plugin_register( $name );
					// register hook

				}
			}
		}
	}
}