PHP Exercises: Create a function that returns true for all elements of an array, false otherwise

PHP: Exercise-78 with Solution

Write a PHP program to create a function that returns true for all elements of an array, false otherwise.

Sample Solution: -

PHP Code:

<?php
function test_all($items, $my_func)
{
    if (count(array_filter($items, $my_func)) === count($items))
      return 1;
      else
      return 0;
}
echo test_all([2, 3, 4, 5], function ($item) {return $item > 0;}); 
echo "\n";
echo test_all([-2, -3, -4, -5], function ($item) {return $item > 0;}); 
echo "\n";
echo test_all([-2, 3, 4, -5], function ($item) {return $item > 0;});
?>

Sample Output:

1
0
0

Flowchart:

PHP Code Editor:

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