How to use count in PHP

In this article, I will explain how the count() function can be used in PHP.
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count() function in PHP

  • The count() function is used to count the elements of an array, or the properties of an object.
  • The count() function may return 0 if a variable isn't set.
  • In count() function, isset() function can be used to test if a variable is set.




  • array array is required parameter. it's determine the array or object to count.
  • mode mode is optional parameter. it's determine mode of the function. Possible values
    • 0 - it is the default value. It does not detect multidimensional array.
    • 1 - It detects multidimensional arrays


The following example show to how the count() function can be used in PHP.



<h3 style="color: blue;">count() function example in PHP</h3>


    $a[0] = 'Nitin'; 

    $a[1] = 'Sachin'; 

    $a[2] = 'Pallavi'; 

    $a[3] = 'Pratibha'; 

    $result = count($a);

    echo "Total number of element in array is : ".$result; 






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