PHP 停止 foreach()
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PHP stop foreach()
提问by James
There is a variable $posts, which gives an array with many values.
有一个变量$posts，它给出了一个包含许多值的数组。
foreach()is used for output:
foreach()用于输出：
foreach($posts as $post) {
...
}
How to show only five first values from $posts?
如何仅显示来自 的五个第一个值$posts？
Like, if we have 100 values, it should give just five.
比如，如果我们有 100 个值，它应该只给出 5 个。
Thanks.
谢谢。
回答by Pekka
Use either array_slice():
使用任一 array_slice():
foreach (array_slice($posts, 0, 5) as $post)
....
or a counter variable and break:
或计数器变量和break：
$counter = 0;
foreach ($posts as $post)
{ .....
if ($counter >= 5)
break;
$counter++;
}
回答by Jenni
This should work:
这应该有效：
$i = 0;
foreach($posts as $post) {
if(++$i > 5)
break;
...
}
