在PHP中通过分隔符搜索单词并将它们放入数组
[英]Search words by delimiter in PHP and put them into array
问题描述
I have a string in PHP that contains this code:
我在 PHP 中有一个包含以下代码的字符串：
<html>
<head>
<body>
<p>Hi! $username$, your email is $email$</p>
</body>
</head>
</html>
This is stored in a database and I have a lot of them.这存储在数据库中，我有很多。 The variables between $ can be different in each record.每个记录中 $ 之间的变量可以不同。 I want to get the name of the variables and store them into an array, for example:我想获取变量的名称并将它们存储到一个数组中，例如：
array('username', 'email');
Thanks谢谢
EDIT: The document HTML is dynamic and stored in database, for example I can also have something like this:编辑：文档 HTML 是动态的并存储在数据库中，例如我也可以有这样的东西：
<span>Test of $user$ with the $test$ and $foo$ and also a $foo2$ var</span>
4 个解决方案
解决方案1
2 已采纳 2016-04-07 07:29:54
You can use preg_match_all function.您可以使用preg_match_all函数。
try below code:试试下面的代码：
$html = '<html>
<head>
<body>
<p>Hi! $username$, your email is $email$</p>
</body>
</head>
</html>';
preg_match_all("/\\$(.*?)\\$/", $html, $matches1);
$required_array = $matches1[1];
print_r($required_array);
Output输出
Array
(
[0] => username
[1] => email
)
解决方案2
0 2016-04-07 07:20:11
$content = "<html>
<head>
<body>
<p>Hi! $username$, your email is $email$</p>
</body>
</head>
</html>";
$p = explode("$", $content );
echo $p[2]; // username
echo $p[4]; // email
解决方案3
0 2016-04-07 07:24:22
preg_match("/(?:Hi! )(.*)(?:, your email is )(.*)(?:<\/p>)/", $input_line, $output);
解决方案4
0 2016-04-07 07:34:16
Please try the below code to extract the variables请尝试以下代码来提取变量
$string = '<html>
<head>
<body>
<p>Hi! $username$, your email is $email$</p>
</body>
</head>
</html>';
$pat= '/\$(\w*)\$/';
preg_match_all($pat, $string, $pat_array);
$first = $pat_array[1][0];
$second = $pat_array[1][1];
$final_array =array($first,$second);
?>
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