// nothing
}
foreach ($arr as $val) {
// nothing
}
// 会输出什么
var_export($arr);
array (
0 => 1,
1 => 2,
2 => 3,
3 => 8,
4 => 'a',
5 => 'a',
)
详细解释可参考:
https://blog.csdn.net/smxdgf/article/details/105370166

// nothing
}
foreach ($arr as $val) {
// nothing
}
// 会输出什么
var_export($arr);
array (
0 => 1,
1 => 2,
2 => 3,
3 => 8,
4 => 'a',
5 => 'a',
)
详细解释可参考:
https://blog.csdn.net/smxdgf/article/details/105370166