PHP如何合并二維數組

來源:互聯網
上載者:User
"arr": [
{
"a": "XXX"
},
{
"a": "YYY"
}
]

這是前段print_r出來的資料
我想改成:

"arr": [
{
"XXX",
"YYY"
}
]


回複討論(解決方案)

有人嗎??
這個點

$s =<<< TXT{"arr": [                {                    "a": "XXX"                },                {                    "a": "YYY"                }]}TXT;$t = json_decode($s, 1);array_walk($t['arr'], function(&$v) {$v = current($v);});print_r($t);echo json_encode($t);
Array(    [arr] => Array        (            [0] => XXX            [1] => YYY        )){"arr":["XXX","YYY"]}

$t['arr'] = array_map('current', $t['arr']);echo json_encode($t);

$v){    array_push($tmp, $v['a']);}$result = array('arr'=>array($tmp));header('content-type:application/json');echo json_encode($result, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);?>
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