我感到困惑的是,这在我的服务器上是如何出现最大错误报告的错误显示呢?我们欢迎任何见识.
$myArray = ['first' => '1A', 'second' => '2A', 'first' => '2A', 'second' => '2B'];
foreach($myArray as $value) {
echo $value['first'] . "<br />";
}
输出:
1A
2A
解决方法:
您有重复的数组键,并且这在数组中是不允许的检查Arrays
您必须重新格式化数组才能像这样
$myArray = [['first' => '1A', 'second' => '2A'], ['first' => '2A', 'second' => '2B']];
foreach($myArray as $key => $value) {
echo $value['first']."<br / >";
}