var_dump
Function • Params and return types changed in PHP 8.0
Dumps information about a variable.
var_dump Function synopsis
var_dump(mixed $value, mixed ...$values): voidParameters
$value
Typemixed
The expression to dump.
$values
Variadic, OptionalTypemixed
Further expressions to dump.
Return value
The var_dump function is a void function; it does not return any values.
Changes to the var_dump Function
PHP 8.0
- Return type added:
void - Optional parameter added - #2:
mixed $values
- var_dump(...$vars)
+ var_dump(mixed $value, mixed ...$values): voidvar_dump Function Availability
var_dump Function Availability| PHP Version | Availability |
|---|---|
| PHP 8.6Upcoming Release | Yes |
| PHP 8.5Supported (Latest) | Yes |
| PHP 8.4Supported | Yes |
| PHP 8.3Security-Fixes Only | Yes |
| PHP 8.2Security-Fixes Only | Yes |
| PHP 8.1Unsupported | Yes |
| PHP 8.0Unsupported | Yes |
| PHP 7.4Unsupported | Yes |
| PHP 7.3Unsupported | Yes |
| PHP 7.2Unsupported | Yes |
| PHP 7.1Unsupported | Yes |
| PHP 7.0Unsupported | Yes |
| PHP 5.6Unsupported | Yes |
| PHP 5.5Unsupported | Yes |
| PHP 5.4Unsupported | Yes |
| PHP 5.3Unsupported | Yes |