Question

我正在尝试重新声明已由父主题使用的wordpress子主题中的函数。但是，在尝试这样做时，我收到“致命错误：无法重新声明”消息。

另外，我尝试使用以下内容但没有运气：

if (!function_exists('jr_load_scripts')) {
  // do fancy things here...
}

如果您想快速查看，请the link

编辑：以下是完整代码：

if (!function_exists('jr_load_scripts')) {
function jr_load_scripts() {
global $app_abbr;

$http = (is_ssl()) ? 'https' : 'http';

// load google cdn hosted scripts if enabled
if (get_option($app_abbr.'_google_jquery') == 'yes') :

    wp_deregister_script('jquery');
    wp_register_script('jquery', (''.$http.'://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js'), false, '1.4.2');
    wp_register_script('jquery-ui-custom', ''.$http.'://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js', false, '1.8');

else :

    wp_register_script('jquery-ui-custom', get_bloginfo('template_directory').'/includes/js/jquery-ui-1.8.custom.min.js', false, '1.8');

endif;

wp_enqueue_script('jquery');
wp_enqueue_script('jquery-ui-custom');

wp_enqueue_script('jquery-tag', get_bloginfo('template_directory').'/includes/js/jquery.tag.js', array('jquery'), '');
wp_enqueue_script('smoothscroll', get_bloginfo('template_directory').'/includes/js/smoothscroll.js', array('jquery'), '');
wp_enqueue_script('lazyload', get_bloginfo('template_directory').'/includes/js/jquery.lazyload.mini.js', array('jquery'), '1.5.0');
wp_enqueue_script('elastic', get_bloginfo('template_directory').'/includes/js/jquery.elastic.js', array('jquery'), '1.0');
wp_enqueue_script('fancybox', get_bloginfo('template_directory').'/includes/js/jquery.fancybox-1.3.4.pack.js', array('jquery'), '1.3.4');
wp_enqueue_script('qtip', get_bloginfo('template_directory').'/includes/js/jquery.qtip.min.js', array('jquery'), '1.0.0-rc3');
wp_enqueue_script('general', get_bloginfo('template_directory').'/includes/js/theme-scripts.js', array('jquery'), '3.0');

$jr_enable_indeed_feeds = get_option('jr_enable_indeed_feeds');
if ($jr_enable_indeed_feeds=='yes') :

     wp_enqueue_script('indeed-api', ''.$http.'://www.indeed.com/ads/apiresults.js');

wp_enqueue_script('jqtransform', get_bloginfo('template_directory') . '/includes/jqtransformplugin/jquery.jqtransform.js', array('jquery'),'');

endif;
}

EDIT2：根据要求 - 主题排队文件的内容：

<?php
/**
 * These are scripts used within the JobRoller theme
 * To increase speed and performance, we only want to
 * load them when needed
 *
 * @package JobRoller
 * @version 1.0
 *
 */

function jr_load_scripts() {
    global $app_abbr;

    $http = (is_ssl()) ? 'https' : 'http';

    // load google cdn hosted scripts if enabled
    if (get_option($app_abbr.'_google_jquery') == 'yes') :

        wp_deregister_script('jquery');
        wp_register_script('jquery', (''.$http.'://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js'), false, '1.4.2');
        wp_register_script('jquery-ui-custom', ''.$http.'://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js', false, '1.8');

    else :

        wp_register_script('jquery-ui-custom', get_bloginfo('template_directory').'/includes/js/jquery-ui-1.8.custom.min.js', false, '1.8');

    endif;

    wp_enqueue_script('jquery');
    wp_enqueue_script('jquery-ui-custom');

    wp_enqueue_script('jquery-tag', get_bloginfo('template_directory').'/includes/js/jquery.tag.js', array('jquery'), '');
    wp_enqueue_script('smoothscroll', get_bloginfo('template_directory').'/includes/js/smoothscroll.js', array('jquery'), '');
    wp_enqueue_script('lazyload', get_bloginfo('template_directory').'/includes/js/jquery.lazyload.mini.js', array('jquery'), '1.5.0');
    wp_enqueue_script('elastic', get_bloginfo('template_directory').'/includes/js/jquery.elastic.js', array('jquery'), '1.0');
    wp_enqueue_script('fancybox', get_bloginfo('template_directory').'/includes/js/jquery.fancybox-1.3.4.pack.js', array('jquery'), '1.3.4');
    wp_enqueue_script('qtip', get_bloginfo('template_directory').'/includes/js/jquery.qtip.min.js', array('jquery'), '1.0.0-rc3');
    wp_enqueue_script('general', get_bloginfo('template_directory').'/includes/js/theme-scripts.js', array('jquery'), '3.0');

    $jr_enable_indeed_feeds = get_option('jr_enable_indeed_feeds');
    if ($jr_enable_indeed_feeds=='yes') :

         wp_enqueue_script('indeed-api', ''.$http.'://www.indeed.com/ads/apiresults.js');

    endif;
}

// this function is called when submitting a new job listing
function jr_load_form_scripts() {
    // only load the tinymce editor when html is allowed
    if (get_option('jr_html_allowed') == 'yes') {
        wp_enqueue_script('tiny_mce', get_bloginfo('url').'/wp-includes/js/tinymce/tiny_mce.js');
        wp_enqueue_script('tiny_mce-wp-langs-en', get_bloginfo('url').'/wp-includes/js/tinymce/langs/wp-langs-en.js');
    }
}

// to speed things up, don't load these scripts in the WP back-end (which is the default)
if(!is_admin()) {
    add_action('wp_print_scripts', 'jr_load_scripts');
    // add_action('wp_print_styles', 'cp_load_styles');
}

Answer 1

您无法覆盖该函数，因为父声明的声明在声明后执行，并且它不会尝试检查该函数是否已存在。

唯一的方法是将父主题的函数声明包装在if条件中。

if (!function_exists('jr_load_scripts')) {

}

Wordpress儿童主题

1 个答案: