array_column(array$input,$column_key,$index_key) 第一个参数为原始数组,第二个参数(多维数组键名)为新数组的值,第三个参数(多维数组键名)为键.结果为一个键值对数组 $array = [['id' = 1,'name' = 'tom','age' = 18],['id' = 2,'name' = 'jack','age' = 1
array_column( array $input , $column_key , $index_key)
第一个参数为原始数组,第二个参数(多维数组键名)为新数组的值,第三个参数(多维数组键名)为键.结果为一个键值对数组
$array = [
['id' => 1,'name' => 'tom','age' => 18],
['id' => 2,'name' => 'jack','age' => 19],
['id' => 3,'name' => 'mick','age' => 20],
['id' => 4,'name' => 'lucy','age' => 21],
['id' => 5,'name' => 'bill','age' => 22],
];
$arr = array_column($array,'name','id');
echo '<pre class="brush:php;toolbar:false">';
print_r($arr);
result:
Array
(
[1] => tom
[2] => jack
[3] => mick
[4] => lucy
[5] => bill
)
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