Question

所以我有一个有大量选项的大阵列，全部用于汽车，所以里程和声音以及这个和那个现在让我说我的客户端没有提供里程数，在我将此数组发送到我的函数之前我想确保每个元素都不是空的，那些没有被放置在一个新的数组中，这将被安排为sql插入

这是我的数组：

Array ( [year] => select [make] => Buick [model] => [engine] => [mileage] => [price] => [vin] => [att1] => [att2] => [att3] => [att4] => [bodystyle] => [fuel] => [hp] => [cyl] => Select [enginesize] => L [transmission] => [shifts] => [od] => [sound] => [gps] => [sound_system] => [sradio] => [tachometer] => [clock] => [trip] => [eweather] => [digitalboard] => [drive] => [fxf] => [cruisecontrol] => [tiltsteering] => [ac] => [removabletop] => [keyless] => [airbags] => [alloy] => [trunkantitrap] => [ewindows] => [emirrors] => [eseat] => [elocks] => [antitheft] => [ledheadlights] => )

所以我怎么能循环这个，如果它不是空的，就把它添加到一个新的数组上，也就是一个收集名称和值的关联的

抱歉，我有点困惑

Answer 1

您可以使用array_filter

从数组中删除空值

$arr = ['foo' => null, 'bar' => 'not null'];
$filtered = array_filter($arr); // contains just "bar" => "not null"

但请注意，这将删除所有比较等于布尔false的值。 Among other values，包括空字符串，字符串"0"和整数0。如果您不想删除这些值，则必须向array_filter提供自定义回调。例如，仅删除null值：

$arr = ['foo' => null, 'bar' => '0'];
$filtered = array_filter($arr, function($o) { return $o !== null; });

Answer 2

尝试

$new_arr = array();
foreach($my_arr as $key => $value) {
    if($value != '' && $value != NULL )
         $new_arr[$key] = $value;
}

PHP如何从数组复制到另一个限制null或空的数组

2 个答案: