While using W3Schools, you agree to have read and accepted our, $x = 0; - Initialize the loop counter ($x), and set the start value to 0, $x <= 10; - Continue the loop as long as $x is less than or equal to 10, $x++ - Increase the loop counter value by 1 for each iteration, $x <= 100; - Continue the loop as long as $x is less than or equal to 100, $x+=10 - Increase the loop counter value by 10 for each iteration. $x+=10 - Increase the loop counter value by 10 for each iteration. This is followed by using sizeof in the for loop and displaying the array elements: See online demo and code output. You can print the assigned values one by one using the PHP echo statement. Lets do above example with foreach loop. (arr[row_Num][column_Num]) The syntax of a forloop is: for (expr1; expr2; expr3) statement. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. This tells PHP that you’re working with the foreach variation. First, I will display the length of the array by using sizeof function. First parameter must be existing array name which elements or key you want to display. In the following example, a numeric array is created with five elements. PHP while loop executes a block of code again and again until the given condition is true. How to Loop Through a Multidimensional Array in PHP. $array contains the array to which you want to perform foreach loop and $item is the variable to which you assign and print each item. To make the language more convenient for the programmers, the developers of PHP provided a loop structure specifically designed for the arrays, since the basic loop is not capable of performing operations with an array. The associative array contains the pair of items with keys elements to identify or relate each item with keys. If it evaluates to TRUE, the loop continues and the nested statement(s) are executed. Let's start with the basic functions that work with array keys and values. A Loop in PHP is an Iterative Control Structure that involves executing the same number of code a number of times until a certain condition is met. Programming. In this article, I will … Learn how to use the array length for loop code in php. But the two loops I mentioned do the str_replace operation each time to the entire array, not only to the element you're looping through. In order to do this task, we have the following approaches in PHP: Approach 1: Using foreach loop: The foreach loop is used to iterate the array elements. In this article, we show how to loop completely through a multidimensional array in PHP. If you accidentally put a semicolon after the foreach statement, you get no errors, but the loop will only run on the last element of the array: Correctly: . Convert PHP Array or Object to JSON String. 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