输出合法php格式文件 var_export
var_export
(php教程 4 >= 4.2.0, php 5)
var_export -- 输出或返回一个变量的字符串表示
描述
mixed var_export ( mixed expression [, bool return] )
此函数返回关于传递给该函数的变量的结构信息,它和 var_dump() 类似,不同的是其返回的表示是合法的 php 代码。
您可以通过将函数的第二个参数设置为 true,从而返回变量的表示。
eg:
var_export(array('a','b',array('aa','bb','cc'))) 这种与var_dump没什么区别;
$var =var_export(array('a','b',array('aa','bb','cc')),true),加上true后,不会再打印出来,而是给了一个变量,这样就可以直接输出;
echo $var;此时输出来的形式与var_dump()打印的相似。
eg2
代码如下:
$data = array ('name' => 'abc', 'job' => 'programmer','a'=>array('aa','cc','bb'));
$data = var_export($data,true);
echo $data;
输出形式如下:
代码如下:
array (
'name' => 'abc',
'job' => 'programmer',
'a' =>
array (
0 => 'aa',
1 => 'cc',
2 => 'bb',
),
)

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