count() function in php

What is use of count() function in php ?

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Hello Friends

count() Function is use to count.
Example:

<?
$cars=array("Volvo","BMW","Toyota");
echo count($cars);
?>

Output is 3 Because there are 3 value in one array.

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The tally() work is utilized to check the components of an exhibit or the properties of an item. Note: For items, on the off chance that you have SPL introduced, you can guide into tally() by actualizing interface Countable. The interface has precisely one strategy, Countable::count(), which restores the arrival esteem for the check() work.

Answer: Use the PHP tally() or sizeof() work. You can utilize the PHP tally() or sizeof() capacity to get the quantity of components or qualities in a cluster. The check() and sizeof() work returns 0 for a variable that has been instated with a vacant exhibit, yet it might likewise return 0 for a variable that isn't set.

The count() function is used to count the elements of an array or the properties of an object. Note: For objects, if you have SPL installed, you can hook into count() by implementing interface Countable. The interface has exactly one method, Countable::count(), which returns the return value for the count() function.