PHP function var_dump()
Prints variable information directly to the output (page).
Availability in PHP 4.0
Prints variable information directly to the output (page).
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$expression |
mixed |
not | Variable to be output |
$_ |
mixed |
null |
Return values
void
The function returns nothing. It renders the output directly to the page like echo.
var_dump('I like PHP'); // string(13) "I like PHP"
Example of a more complex structure:
var_dump([1, 2, 3]);
Returns the following:
array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}
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