php - 如何修复此错误 Undefined offset: 1 in line 178

Question

数据库：

$data = $_POST["input1"];       
$data = explode(",", $data)[1]; // line 178
$decoded_image = base64_decode($data);
$temp_name = 'img/'.md5(time().rand().time()).".png";
file_put_contents($temp_name, $decoded_image);
// Store this $file to table.
$file = basename($temp_name);

如何修复此错误

标签： php

Answer 1

$data 变量的 1 个索引，因此具有变量的右索引，就像这样

$data = explode(",", $data[1]);