var_export
Description
The var_export of Variable Handling for PHP outputs or returns a parsable string representation of a variable.
Syntax
var_export(
mixed $value,
bool $return = false
): ?stringParameters
value
The variable 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
1 · value · bool
<? $value = false; var_export($value); ?>
false
2 · value · int
<? $value = 0; var_export($value); ?>
0
3 · value · float
<? $value = 0.0; var_export($value); ?>
0.0
4 · value · string
<? $value = "0"; var_export($value); ?>
'0'
5 · value · array
<? $value = array(0, 1, array(0, 1)); var_export($value); ?>
1090486272
6 · value · object · standard class
<? $value = new stdclass; $value->var = 0; var_export($value); ?>
(object) array( 'var' => 0, )
7 · value · object · custom class
<?
class myclass
{
public $var;
}
$value = new myclass;
$value->var = 0;
var_export($value);
?>\myclass::__set_state(array( 'var' => 0, ))
8 · return · false
<? $value = 0; $return = false; $output = var_export($value, $return); //var_export($output); ?>
0
9 · return · true
<? $value = 0; $return = true; $output = var_export($value, $return); //echo $output; ?>
Links
Related
Variable Handling
- boolval
- debug_zval_dump
- doubleval
- empty
- floatval
- get_debug_type
- get_defined_vars
- get_resource_id
- get_resource_type
- gettype
- intval
- is_array
- is_bool
- is_callable
- is_countable
- is_double
- is_float
- is_int
- is_integer
- is_iterable
- is_long
- is_null
- is_numeric
- is_object
- is_real
- is_resource
- is_scalar
- is_string
- isset
- print_r
- serialize
- settype
- strval
- unserialize
- unset
- var_dump
