PHP Substr 函数修整问题 [英] PHP Substr Function Trimming Problem

问题描述

我正在使用下面的代码来修剪标题并在我的 最近的帖子部分href="http://www.sivrisinema.com" rel="nofollow noreferrer">博客:

I'm using below code for triming titles and show it recent posts section on my blog:

<?php global $post;
$releaseDate = get_post_meta($post->ID, "gosterim_tarihi", true);
foreach( $images as $image ) {
    $title = get_the_title();
    if (strlen($title) > 20) { $title = substr($title, 0, 20) . '&hellip;'; }
    $attachmentimage=wp_get_attachment_image_src( $image->ID, 'large' );
    echo '<li><a href="'. get_permalink() .'" title="' . $title . '"><img src="'. $attachmentimage[0] .'" alt="'. $title .'" />'. $title .'<span>Gösterim Tarihi: ' . $releaseDate . '</span></a></li>';
} ?>

但是 HTML 字符实体存在问题.当我使用 substr 函数修剪标题时，substr 函数也会修剪 HTML 字符实体.

But there are problem with HTML character entities. When i use substr function for trim a title, substr function trimming HTML character entities too.

所以我尝试使用 html_entity_decode 功能，但我做的不是很好.

So i tried to use html_entity_decode function but i can't do it very well.

有人可以帮我吗?

推荐答案

试试这个:

$output = htmlentities(substr(html_entity_decode($input), 0, 20));

这将解码所有实体，因此 substr 不会破坏任何内容.之后，您可以将所有字符编码回其实体.

This will decode all entities so substr won't break anything. After that you can encode all characters back to their entities.

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