本文实例讲述了php实现根据字符串生成对应数组的方法,是比较实用的技巧。分享给大家供大家参考。具体方法如下:
先看看如下示例:
<?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生成以下数组:
<?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:
<?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 ); $result = array(); foreach($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
)
)
)
希望本文所述对大家PHP程序设计的学习有所帮助。