This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
It used to be hard to find questions about operators and other syntax tokens.¹
The main idea is to have links to existing questions on Stack Overflow, so it's easier for us to reference them, not to copy over content from …
我已经用PHP开发了几年了,最近发现了这段代码:
<?php
echo <<<EOB
<html>
<head>
<title>My title</title>
</head>
...
EOB;
?>
我从来没有见过这种打印HTML的方法,这似乎非常有用,并且不太容易出现一些奇怪的变量或双引号语法错误.
我已经搜索了一些关于此的官方信息,并且只找到了Rasmus谈论此事的帖子.
有关此功能的详细说明是什么,EOB是什么意思？可能结束了？