PHP sizeof() Function
Example
Return the number of elements in an array:
<?php
$cars=array("Volvo","BMW","Toyota");
echo sizeof($cars);
?>
Run example »
$cars=array("Volvo","BMW","Toyota");
echo sizeof($cars);
?>
Definition and Usage
The sizeof() function returns the number of elements in an array.
The sizeof() function is an alias of the count() function.
Syntax
sizeof(array,mode);
| Parameter | Description |
|---|---|
| array | Required. Specifies the array |
| mode | Optional. Specifies the mode. Possible values:
|
Technical Details
| Return Value: | Returns the number of elements in the array |
|---|---|
| PHP Version: | 4+ |
More Examples
Example 1
Count the array recursively:
<?php
$cars=array
(
"Volvo"=>array
(
"XC60",
"XC90"
),
"BMW"=>array
(
"X3",
"X5"
),
"Toyota"=>array
(
"Highlander"
)
);
echo "Normal count: " . sizeof($cars)."<br>";
echo "Recursive count: " . sizeof($cars,1);
?>
Run example »
$cars=array
(
"Volvo"=>array
(
"XC60",
"XC90"
),
"BMW"=>array
(
"X3",
"X5"
),
"Toyota"=>array
(
"Highlander"
)
);
echo "Normal count: " . sizeof($cars)."<br>";
echo "Recursive count: " . sizeof($cars,1);
?>
PHP Array Reference
