PHP Array Exercises : Check whether all array values are strings or not

PHP Array: Exercise-46 with Solution

Write a PHP function to check whether all array values are strings or not.

Sample Solution:

PHP Code:

function check_strings_in_array($arr) 
    return array_sum(array_map('is_string', $arr)) == count($arr);
$arr1 = array('PHP', 'JS', 'Python');
$arr2 = array('SQL', 200, 'MySQL');

Sample Output:



Flowchart: PHP - Check whether all array values are strings or not

PHP Code Editor:

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Previous: Write a PHP script to do a multi-dimensional difference, i.e. returns values of the first array that are not in the second array.
Next: Write a PHP function to get an array with the first key and value.

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PHP: Tips of the Day

PHP: How to define an empty object in PHP?

$x = new stdClass();

stdClass is the default PHP object. stdClass has no properties, methods or parent. It does not support magic methods, and implements no interfaces.

When you cast a scalar or array as Object, you get an instance of stdClass. You can use stdClass whenever you need a generic object instance.

Ref : https://bit.ly/2Q96Wvm


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