count() function in php mysql - Wikitechy https://www.wikitechy.com/interview-questions/tag/count-function-in-php-mysql/ Interview Questions Thu, 04 Aug 2022 06:46:30 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png count() function in php mysql - Wikitechy https://www.wikitechy.com/interview-questions/tag/count-function-in-php-mysql/ 32 32 What is the use of count () function in PHP ? https://www.wikitechy.com/interview-questions/php/what-is-the-use-of-count-function-in-php/ https://www.wikitechy.com/interview-questions/php/what-is-the-use-of-count-function-in-php/#respond Thu, 04 Aug 2022 06:46:30 +0000 https://www.wikitechy.com/interview-questions/?p=4582
  • In PHP this unbuilt function is used to count the current elements in the array.
  • If it has been set to an empty array, whether the function might return 0 for the variable and the variable that is not set the function returns 0.
  • Generally, this function takes one parameter, the array for which the elements need to be counted.
  • The function an take a parameter mode which tells the function to count the element in recursive or normal mode but in addition.
  • In Count () syntax $array is mandatory and in which elements are needed to be counted.
  • In Count () mode is optional which is used to set the mode of function and their parameter can take two possible values, either 0 or 1. 1 generally indicates to count of the values of the array recursively.
  • In an array, the functions return the number of elements.

    • Syntax

    Count ($array, mode)

    Sample Code

    <!DOCTYPE html>
      <html>
       <body>

         <?php
           $cars=array("Volvo","Volkswagen","Hyundai","Ferrari");
           echo count($cars);
           ?>

       </body>
    </html>

    Output

    ]]> https://www.wikitechy.com/interview-questions/php/what-is-the-use-of-count-function-in-php/feed/ 0