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PHP获取数组某几列的键值,该如何解决

WBOY
WBOYOriginal
2016-06-13 11:52:21957browse

PHP获取数组某几列的键值
比如$a = array(a,b,c,d,e);想要获取$b = array(a,c,d)怎样获取
------解决方案--------------------
最简单的

<br />$a = array(a,b,c,d,e);<br />$b = array($a[0], $a[2], $a[3]);<br />

------解决方案--------------------
这个意思?
$a = array('a', 'b' , 'c' , 'd', 'e');<br />$b = $b = array('a', 'c', 'd');<br />print_r(array_intersect($a, $b));
Array
(
    [0] => a
    [2] => c
    [3] => d
)

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