从二维数组转换某些值一个维数组
array (size=2)
0 =>
array (size=4)
'id_tax' => string '1' (length=1)
'rate' => string '21.000' (length=6)
1 =>
array (size=4)
'id_tax' => string '2' (length=1)
'rate' => string '15.000' (length=6)
所有我想要的是阵列从二维数组转换某些值一个维数组
1 => 21
2 => 15
是什么tehe做最功能?
试试这个:
$newArray = array();
foreach($array as $value) {
$newArray[$value['id_tax']] = $value['rate'];
}
$newArray = [];
foreach($array as $v){
$newArray[] = $v['rate'];
}
print_r($newArray);
如果您需要id_tax
和rate
之间corrispondeces,然后就做什么,作为中士指出:
$newArray[$v['id_tax']] = $v['rate'];
新阵列的关键将是阵列的'id_tax' .. :) – 2014-11-04 11:06:29
产生Array([0] => 21.000 [1] => 15.000) – mardon 2014-11-04 11:07:21
+1 .. 。现在可以upvote ... :) – 2014-11-04 11:08:06
这应该为你工作:
<?php
$array1 = array(array("id_tax" => "1", "rate" => "21.000"), array("id_tax" => "2", "rate" => "15.000"));
$array2 = array();
foreach($array1 as $k => $v){
$array2[$v['id_tax']] = $v['rate'];
}
var_dump($array2);
?>
输出:
array(2) {
[1]=>
string(6) "21.000"
[2]=>
string(6) "15.000"
}
$myArray = array();
foreach ($array as $k => $v){
$myArray[$v['id_tax']] = $v['rate'];
}
这样,你才有结果:
1 => 21
2 => 15
自PHP> = 5.5,你可以使用array_column做肮脏的工作,为您
取得列率,由“id_tax”列索引
$newArray = array_column($array, 'rate', 'id_tax');
print_r($newArray);
个
打印
Array
(
[1] => 21.000
[2] => 15.000
)
它适合PHP 5.5 – mardon 2014-11-04 11:40:15
这下面段应正常工作适合你 - 这很简单
$array1 = array(array("id_tax" => "1", "rate" => "21.000"), array("id_tax" => "2", "rate" => "15.000")); print_r(array_combine(array_column($array1 ,'id_tax'), array_column($array1,'rate')));
PHP版本:5.4.0和ownwards
输出:
Array ([1] => 21.000 [2] => 15.000)
谢谢,
Sapan Kumar
使用'foreach'循环 – Saqueib 2014-11-04 11:02:59