在php中回显时创建一个数组列表 [英] Create a list like array when echoed in php
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问题描述
我想从数据库中回显我的结果,并使它们看起来像数组.它们不一定必须是数组,而是看起来像一个数组.即当我回显我的结果时,
I would like to echo my results from a database and have them look like an array. They don't necessarily have to be an array but look like one. i.e. When i echo my result,
我希望我的最终结果看起来像
i would want my final result to look like
[10,200,235,390,290,250,250]
当我尝试以下代码时:
$query_rg = mysqli_query($link, "SELECT column FROM `table`");
$row_rg = mysqli_fetch_assoc($query_rg);
echo '[';
while ($row = mysqli_fetch_assoc($query_rg)) {
$list = $row['column'];
$listwithcoma = "$list,";
echo ltrim($listwithcoma,',');
}
echo ']'
结果是:
[10,200,235,390,290,250,250,]
推荐答案
您做错了. ltrim($ listwithcoma,',')
无效.
ltrim -从字符串开头删除空格(或其他字符)
ltrim — Strip whitespace (or other characters) from the beginning of a string
您可以尝试使用 implode
的简单方法.
You can try a simple way with implode
.
$list = array();
while ($row = mysqli_fetch_assoc($query_rg)) {
$list[] = $row['column'];
}
echo '[' . implode(',', $list) . ']';
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