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var_export (PHP 4 >= 4.2.0, PHP 5) var_export -- Outputs or returns a parsable string representation of a variable Описаниеmixed var_export ( mixed expression [, bool return] )
var_export() gets structured information about the
given variable. It is similar to var_dump()
with one exception: the returned representation is valid PHP code.
Список параметров
- expression
The variable you want to export.
- return
If used and set to TRUE, var_export() will return
the variable representation instead of outputing it.
Возвращаемые значения
Returns the variable representation when the return
parameter is used and evaluates to TRUE. Otherwise, this function will
return NULL.
Примеры
Пример 1. var_export() Examples
<?php
$a = array (1, 2, array ("a", "b", "c"));
var_export($a);
?>
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Результат выполнения данного примера: array (
0 => 1,
1 => 2,
2 =>
array (
0 => 'a',
1 => 'b',
2 => 'c',
),
) |
<?php
$b = 3.1;
$v = var_export($b, true);
echo $v;
?>
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Результат выполнения данного примера: |
Пример 2. Exporting classes since PHP 5.1.0
<?php
class A { public $var; }
$a = new A;
$a->var = 5;
var_export($a);
?>
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Результат выполнения данного примера: A::__set_state(array(
'var' => 5,
)) |
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ПримечанияЗамечание:
Variables of type resource couldn't be exported by this
function.
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