Learning Path: Array Functions

Using array_keys vs array_values: 5 PHP Code Examples (2023)

difference between array_keys and array_values
PHP array_keys and PHP array_values are two important functions. The array_keys function returns the keys from the input array, and the array_values return the values. The array_keys take some additional parameters for returning keys corresponding to a value that matches the search_value argument. Both of these functions return an array. So, this article reviews these functions and helps the readers understand the difference between array_keys and array_values. To have heads on, here are the articles explaining the PHP arrays_keys and PHP array_values in depth. PHP array_keys: how to use in PHP with examples PHP array_values: how to use in PHP with examples What is the difference between array_keys and array_values This section reviews the array_keys PHP and the array_values PHP and includes examples to clarify the difference between array_keys and array_values. what is the array_keys function Here’s an overview of the array_keys in PHP. Function Signature array_keys(array $array, mixed $search_value,…

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Array Length in PHP: Use the Count Function with Code Examples

array length in PHP
How to Get the Length of an Array in PHP PHP provides two identical functions whenever you need to get the length of an array. The count function is the most common method. You can also use the sizeOf function as it is just an alias of the count. I prefer the count function and would recommend avoiding the sizeOf function. PHP Count Function Code Example <?php //An array with many elements. $arr = array("PHP","Javascript","Python","Java","C#","C++"); //Let's count this array using the count function and print it to console. echo "Length of \$arr is: ".count($arr); //OUTPUT //Length of $arr is: 6 ?> Counting Arrays in PHP An array is a data structure to store multiple elements. Like any programming language, PHP provides helpful functions to work with arrays. We have seen many array functions in previous articles.  One common array operation is to determine its length, which is the number of…

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