In this tutorial, we are going to learn about how to clear or empty an array of values in PHP. reactgo.com recommended coursePHP for Beginners - Become a PHP Master - CMS Project Clearing the array To clear an
How to print an array in PHP? 1) print_r() function: 2) var_dump() function: 3) json_encode() function: 4) foreach() loop: Introduction An array is one kind of data structure, which can store multiple items of related data types. The printing of an array is one of the fundamen...
php// Defining recursive functionfunctionprintValues($arr){global$count;global$items;// Check input is an arrayif(!is_array($arr)){die("ERROR: Input is not an array");}/* Loop through array, if value is itself an array recursively call the function else add the value found to the ...
When its size is 0, then the array is considered empty. Otherwise, it’s not empty.Here is an example of using the sizeof() function:<?php // Declare an empty array $empty_array = []; // Use array index to check // array is empty or not if (sizeof($empty_array) == 0) ...
To shuffle arrays in PHP, you can use the providedshuffle()function. Theshuffle()function randomizes the order of array elements that you passed as its argument: shuffle(array&$array):bool This function modifies the original array variable. It returns booleantruewhen the shuffle succeeds, otherwi...
The PHP file() converts the entire CSV into an array. Then, the array_map sets the str_getcsv() function as a callback to iterate the array of CSV file rows.The str_getcsv() imports the CSV row data into an array. In a previous article, we have seen about handling CSV file ...
Reversing an array in PHP is an easy operation done by the built-in functionarray_reverse(). This built-in function can reverse an array’s elements, including the nested arrays. Thearray_reverse()also provides functionality to preserve the key elements according to the user. This built-in ...
array_Combine() function in PHP The array_Combine() function is used to creates an array by combining two other arrays, one array for keys and another for its values. In array_Combine() function, both parameters must have equal number of elements. ...
<?php$string='';//Empty string initally.foreach($arrayas$key=>$value){$string.=",$value";//Add into string value}$string=substr($string,1);//To remove the first , from first element?> It works same as the join function. We iterate the array using a loop and in the string var...
We will introduce a way to write an array to a file in PHP using the print_r() and the file_put_contents() functions. This method writes the specified array to the specified file in the system.We will also introduce a way to print an array to a PHP file using the print_r() ...