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    Javascript
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    PHP

     

    PHP count

    PHP count() Function

    Definition and Usage

    The count() function counts the elements of an array, or the properties of an object.

    Syntax

    count(array1,array2)

    Parameter

    Description

    array

    Required. Specifies the array or object to count.

    mode

    Optional. Specifies the mode of the function. Possible values:

    • 0 - Default. Does not detect multidimensional arrays (arrays within arrays)
    • 1 - Detects multidimensional arrays

    Note: This parameter was added in PHP 4.2

    Tips and Notes

    Note: This function may return 0 if a variable isn't set, but it may also return 0 if a variable contains an empty array. The isset() function can be used to test if a variable is set.
     

    Example

    <?php $people = array("Peter", "Joe", "Glenn", "Cleveland"); $result = count($people); echo $result; ?>

    The output of the code above will be:

    4

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     
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