PHP将混合序列和关联数组转换为关联数组
我只想从$initial构建$goal数组。有什么想法吗?多谢各位 编辑:问题可能是如何区分关联零件和顺序零件PHP将混合序列和关联数组转换为关联数组,php,arrays,sequential,associative,Php,Arrays,Sequential,Associative,我只想从$initial构建$goal数组。有什么想法吗?多谢各位 编辑:问题可能是如何区分关联零件和顺序零件 $intial=[ "one", "two"=>"myTwo", "three", "four"=>"myFour" ]; $goal=[ "one"=>null, "two"=>"myTwo", "three"=>null, "four"=>"myFour" ]; “顺序”部分将具有
$intial=[
"one",
"two"=>"myTwo",
"three",
"four"=>"myFour"
];
$goal=[
"one"=>null,
"two"=>"myTwo",
"three"=>null,
"four"=>"myFour"
];
“顺序”部分将具有数字键,因此如果“关联”键始终为字符串,则可以使用该键区分:
$goal = [];
foreach ($initial as $key => $value) {
if (is_numeric($key)) {
$goal[$value] = null;
} else {
$goal[$key] = $value;
}
}
它们都是独立的数组
foreach($key=>$val的目标){echo$key.='.$val.
';}
或只是var\u dump($goal)代码>你好。我只有$initial数组,需要从中构建$goal。您必须检查该值是否存在或设置如下内容:$goal=[];foreach($key=>$val){if(isset($val){$goal[$key]=$val}else{$goal[$key]=$key;}}}
这不起作用,输出数组([0]=>one[two]=>myTwo[1]=>three[four]=>myFour)这不起作用,输出数组([0]=>one[two]=>myTwo[1]=>three[four]=>myFour)
$goal = [];
foreach($initial as $key => $val){
if(isset($val){
$goal[$key] = $val;
}else{
$goal[$key] = $key;
}
}