php 警告：explode() 期望参数 2 是字符串，给定数组
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Warning: explode() expects parameter 2 to be string, array given
提问by ftxn
The Script:
剧本：
<?php
$tqs = "SELECT * FROM `table_two`";
$tqr = mysqli_query($dbc, $tqs);
$row = mysqli_fetch_assoc($tqr);
$thearray[] = $row['some_text_id'];
// Prints e.g.: Array ( [0] => 164, 165, 166 )
print_r($thearray);
echo "<br/><br/>";
echo "<br/><br/>";
$thearray = explode(", ", $thearray);
print_r($thearray);
?>
I have the following entry in one row of the column "some_text_id":
我在“some_text_id”列的一行中有以下条目：
164, 165, 166
I am looking to "explode" this by the comma and have it stored in an array, so I can select the numbers individually, e.g.:
我希望通过逗号“分解”它并将其存储在数组中，因此我可以单独选择数字，例如：
myarray[0], myarray[1], myarray[2]
Though I am getting the following error message:
虽然我收到以下错误消息：
Warning: explode() expects parameter 2 to be string, array given in ... (points to the explode function)
警告：explode() 期望参数 2 是字符串，数组在 ...（指向爆炸函数）
Any suggestions on how to do this?
关于如何做到这一点的任何建议？
回答by John Conde
Skip the part where you put the database results into an array. It's completely unnecessary:
跳过将数据库结果放入数组的部分。完全没有必要：
<?php
$tqs = "SELECT * FROM `table_two`";
$tqr = mysqli_query($dbc, $tqs);
$row = mysqli_fetch_assoc($tqr);
// Prints e.g.: 164, 165, 166
print_r($row['some_text_id']);
echo "<br/><br/>";
echo "<br/><br/>";
$thearray = explode(", ", $row['some_text_id']);
print_r($thearray);
?>
