使WP函数返回而不是立即打印 [英] Getting WP Functions to Return rather than Printing Immediately

问题描述

我正在尝试在由各种功能(例如 the_title()， the_excerpt()， the_permalink()等.我想做类似下面的事情.不幸的是，这些函数中的大多数会立即打印其结果，而不是返回它们.此外，我检查了这些参数的可用参数，但没有找到任何强制返回的选项.

I'm trying to build an array within "The Loop" of values provided from various functions like the_title(), the_excerpt(), the_permalink() and others. I'd like to do something similar to what follows. The unfortunate thing is that most of these functions immediately print their results rather than returning them. Furthermore, I have checked the available parameters for these, and haven't found any option to force a return.

if (have_posts()) {
  while (have_posts()) {
    the_post();
    $items[] = array(
      "id" => get_the_id(), "the_title" => the_title(), 
      "the_excerpt" => the_excerpt(), "the_permalink" => the_permalink()
    );
  }
}

推荐答案

具有可猜测名称的替代函数

显然，有两种不同的方法可以解决此问题.如前所述，某些功能将带有一个替代功能，该功能仅在"get_"之前加注.到开始.例如， the_title()打印标题，而 get_the_title()返回标题.

Alternative Functions with Guessable Names

There are apparently a couple different ways to tackle this issue. As noted earlier, some functions will come with an alternative function that merely prepends "get_" to the beginning. For instance the_title() prints the title, whereas get_the_title() returns the title.

其他功能不遵循这种做法.例如， the_permalink()没有替代方法，称为 get_the_permalink().相反，它的替代方法只是 get_permalink().这可能会造成混淆，因此我建议您在模板标签页面上进行查找.

Other functions don't follow this practice. For instance, the_permalink() has no alternative called get_the_permalink(). Instead, its alternative is simply get_permalink(). This can be confusing, so I reccomend you perform look-ups on the Template Tags page.

此外，某些功能将包含一个参数，该参数使您可以更改正常行为.例如，如果您不想使用 get_the_title()，则可以简单地使用以下代码:

Additionally, some functions will contain a parameter which allows you to alter the normal behavior. For instance, if you don't wish to use get_the_title(), you could simply use the following:

<?php $title = the_title('echo=0'); ?>

这会将布尔值设置为false，这意味着将返回该值，而不是回显该值.

This sets the boolean value to false, meaning the value will be returned rather than echo'd.

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