PHP 获取数组值和数组键
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PHP get both array value and array key
提问by Francisc
I want to run a for loop through an array and create anchor elements for each element in the array, where the key is the text part and the value is the URL.
我想通过数组运行 for 循环并为数组中的每个元素创建锚元素，其中键是文本部分，值是 URL。
How can I do this please?
请问我该怎么做？
Thank you.
谢谢你。
回答by Marek Karbarz
This should do it
这应该做
foreach($yourArray as $key => $value) {
//do something with your $key and $value;
echo '<a href="' . $value . '">' . $key . '</a>';
}
Edit: As per Capsule's comment - changed to single quotes.
编辑：根据 Capsule 的评论 - 更改为单引号。
回答by DrupalFever
For some specific purposes you may want to know the current key of your array without going on a loop. In this case you could do the following:
出于某些特定目的，您可能想知道数组的当前键而不进行循环。在这种情况下，您可以执行以下操作：
reset($array);
echo key($array) . ' = ' . current($array);
The above example will show the Key and the Value of the first record of your Array.
上面的示例将显示数组的第一条记录的键和值。
The following functions are not very well known but can be pretty useful in very specific cases:
以下函数不是很出名，但在非常特定的情况下可能非常有用：
key($array); //Returns current key
reset($array); //Moves array pointer to first record
current($array); //Returns current value
next($array); //Moves array pointer to next record and returns its value
prev($array); //Moves array pointer to previous record and returns its value
end($array); //Moves array pointer to last record and returns its value
回答by Karl Laurentius Roos
Like this:
像这样：
$array = array(
'Google' => 'http://google.com',
'Facebook' => 'http://facebook.com'
);
foreach($array as $title => $url){
echo '<a href="' . $url . '">' . $title . '</a>';
}
回答by Capsule
In a template context, it would be:
在模板上下文中，它将是：
<?php foreach($array as $text => $url): ?>
<a href="<?php echo $url; ?>"><?php echo $text; ?></a>
<?php endforeach; ?>
You shouldn't write your HTML code inside your PHP code, hence avoid echoing a bunch of HTML.
您不应该在 PHP 代码中编写 HTML 代码，从而避免回显一堆 HTML。
This is not filtering anything, I hope your array is clean ;-)
这不是过滤任何东西，我希望你的数组是干净的 ;-)
