[英]Appending an array created with a loop to another array
我有一個陣列
$variables_a = array(
'a' => $a,
'b' => $b,
'c' => $c
);
然后另一個$variables_b = array('x','y','z')
我想循環遍歷B數組,如下所示:
foreach($variables_b as $var) {
$variables_c[] = array($var => $$var);
}
然后將A&C與$variables_combined = array_merge($variables_A, $variables_C)
合並在一起
我希望得到的輸出是我print_r
的時候
Array
(
[a] => a
[b] => b
[c] => c
[x] => x
[y] => y
[z] => z
)
但我得到的是
Array
(
[a] => a
[b] => b
[c] => c
[0] => Array
(
[x] => x
)
[1] => Array
(
[y] => y
)
[2] => Array
(
[z] => z
)
)
如果我將$feature_variables[] = array($feature => $$feature)
更改$feature_variables = array($feature => $$feature)
我得到
Array
(
[a] => a
[b] => b
[c] => c
[z] => z
)
即$variables_b
的最后一項,但沒有其他項。 那我哪里錯了?
這樣做:
$newvar = $variables_a;
foreach($variables_b as $var)
{
$newvar[$var] = $var;
}
$ newvar將包含您想要的數組
請循環遍歷數組c,如:
foreach($variables_b as $var) {
$variables_c[$var] = $$var;
}
嘗試這個,
foreach($variables_b as $var) {
$variables_c[$var] = $$var;
}
<?php
$variables_a = array(
'a' ,
'b' ,
'c'
);
$variables_b = array('x','y','z');
$variables_c=array();
foreach($variables_a as $var) {
$variables_c[$var] =$var;
}
foreach($variables_b as $var) {
$variables_c[$var] =$var;
}
print_r($variables_c);
?>
============
and test in : "http://codepad.org/1ICZxPIG"
$variables_a = array(
'a' => $a,
'b' => $b,
'c' => $c
);
$variables_b = array('x','y','z');
foreach($variables_b as $var) {
$variables_c[$var] = $$var;
}
$variables_combined = array_merge($variables_a, $variables_c);
echo "<pre>";print_r($variables_combined);
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