array (
0 =>
array (
'safe_route' => 'yes',
'route_name' => 'route_1',
'route_risk_score' => '2.5'),
1 =>
array (
'safe_route' => 'no',
'route_name' => 'route_2',
'route_risk_score' => '3.5'),
2 =>
array (
'safe_route' => 'no',
'route_name' => 'route_3',
'route_risk_score' => '4.5')
)
我需要循环它并删除键’route_risk_score’及其在所有数组中的值.如何在PHP中完成此操作.不熟悉PHP.Help将不胜感激
解决方法:
要删除原始数组中的元素,请使用对每个元素的引用:
// see this & in front of `$item`?
// It means that `$item` is a reference to element in original array
// and unset will remove key in element of original array, not in copy
foreach($array as &$item) {
unset($item['route_risk_score']);
}