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[PHP’s Variable handling function] var_export
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- 2018-04-14 16:16:111231browse
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var_export
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
var_export — Export or return a string representation of a variable
Description:
mixed var_export ( mixed $expression [, bool $return ] )
Returns structural information about the variables passed to this function, similar to var_dump(), except that the returned representation is legal PHP code.
Returns a representation of a variable by setting the second parameter of the function to TRUE.
<!-- 比较 var_export() 和 var_dump(). --><pre class="brush:php;toolbar:false"><?php$a = array (1, 2, array ("a", "b", "c"));
var_export ($a);// print_r ($a);// var_dump ($a);/* 输出：
array (
0 => 1,
1 => 2,
2 =>
array (
0 => 'a',
1 => 'b',
2 => 'c',
),
)
*/$b = 3.1;$v = var_export($b, TRUE);echo $v;/* 输出：
3.1
*/?>
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