drupal module 自定义

<?php

function mytracer_menu() {
    $items = array();
    $items[‘admin/config/mytracer‘] = array(
        ‘title‘ => ‘My Tracer‘,
        ‘description‘ => ‘MY tracer des‘,
        ‘access callback‘ => true,
        ‘page callback‘ => ‘mytracer_admin‘,
    );
    return $items;
}
//全局变量的使用
function mytracer_admin() {
    global $base_path;
    global $base_url;
    global $user;

    $output = ‘‘;

    $output .=‘<p>‘. $base_path . ‘</p>‘;
    $output .=‘<p>‘. $base_url . ‘</p>‘;
    dpm($user);
    return $output;
}

function mytracer_admin() {
    
    //定义一个mytracer_setting1 为10    
    $var1 = variable_get(‘mytracer_setting1‘, 10);
    $output = ‘‘;
    $output .= ‘变量‘. $var1;

    //把mytracer_setting1值加1
    variable_set(‘mytracer_setting1‘, $var1+1);

    //删除mytracer_setting1变量

    //variable_del(‘mytracer_setting1‘);
    return $mytracer_setting1;
}