php实现根据字符串生成对应数组的方法。
例子:
复制代码 代码示例:
<?php
$config = array(
'project|page|index' => 'content',
'project|page|nav' => array(
array(
'image' => '1.jpg',
'name' => 'home'
),
array(
'image' => '2.jpg',
'name' => 'about'
)
),
'project|page|open' => true
);
?>
根据$config生成数组:
复制代码 代码示例:
<?php
$result = array(
'project' => array(
'page' => array(
'index' => 'content',
'nav' => array(
array(
'image' => '1.jpg',
'name' => 'home'
),
array(
'image' => '2.jpg',
'name' => 'about'
)
),
'open' => true
)
)
);
?>
方法:使用eval实现:
复制代码 代码示例:
<?php
$config = array(
'project|page|index' => 'content',
'project|page|nav' => array(
array(
'image' => '1.jpg',
'name' => 'home'
), // www.jb200.com
array(
'image' => '2.jpg',
'name' => 'about'
)
),
'project|page|open' => true
);
$result = array();
foreach($config as $key=>$val){
$tmp = '';
$keys = explode('|', $key);
for($i=0,$len=count($keys); $i<$len; $i++){
$tmp .= "['".$keys[$i]."']";
}
if(is_array($val)){
eval('$result'.$tmp.'='.var_export($val,true).';');
}elseif(is_string($val)){
eval('$result'.$tmp.'='.$val.';');
}else{
eval('$result'.$tmp.'=$val;');
}
}
print_r($result);
?>
输出结果:
Array
(
[project] => Array
(
[ page ] => Array
(
[index] => content
[nav] => Array
(
[0] => Array
(
[image] => 1.jpg
[name] => home
)
[1] => Array
(
[image] => 2.jpg
[name] => about
)
)
[open] => 1
)
)
)