var_export

Outputs or returns a parsable string representation of a variable

Syntax

var_export ( mixed $expression [, bool $return = FALSE ] ) : mixed

Parameters

expression

The variable you want to export.

return

If used and set to TRUE, var_export() will return the variable representation instead of outputting it.

Return

Returns the variable representation when the return parameter is used and evaluates to TRUE. Otherwise, this function will return NULL.

Examples

expression | bool

<?

$expression = false;

var_export($expression);

?>

false

expression | int

<?

$expression = 0;

var_export($expression);

?>

expression | float

<?

$expression = 0.0;

var_export($expression);

?>

0.0

expression | string

<?

$expression = "0";

var_export($expression);

?>

'0'

expression | array

<?

$expression = array(0, 1, array(0, 1));

var_export($expression);

?>

array (
  0 => 0,
  1 => 1,
  2 => 
  array (
    0 => 0,
    1 => 1,
  ),
)

expression | object | standard class

<?

$expression = new stdclass;
$expression->var = 0;

var_export($expression);

?>

(object) array(
   'var' => 0,
)

expression | object | custom class

<?

class myclass {
    public $var;
}

$expression = new myclass;
$expression->var = 0;

var_export($expression);

?>

myclass::__set_state(array(
   'var' => 0,
))

return | true

<?

class myclass {
    public $var;
}

$expression = new myclass;
$expression->var = 0;
$return = true;

$output = var_export($expression, $return);

echo $output;

?>

myclass::__set_state(array(
   'var' => 0,
))

return | false

<?

class myclass {
    public $var;
}

$expression = new myclass;
$expression->var = 0;
$return = false;

$output = var_export($expression, $return);

var_export($output);

?>

myclass::__set_state(array(
   'var' => 0,
))NULL