1，PHP7中以下代码出现Uncaught Error: Cannot use string offset as an array
$children = '';
foreach ($category as $cid => $cate) {
$children[$cate['parentid']][] = $cate;
}
原因是$children声明了字符型，下面以数据操作出错，声明为数组即可。
转载请注明：清韵逸-博客生活分享 » 收集PHP中的坑
1，PHP7中以下代码出现Uncaught Error: Cannot use string offset as an array
$children = '';
foreach ($category as $cid => $cate) {
$children[$cate['parentid']][] = $cate;
}
原因是$children声明了字符型，下面以数据操作出错，声明为数组即可。
转载请注明：清韵逸-博客生活分享 » 收集PHP中的坑