difference between while and while loop in php

You can use the for statement to control multiple variables to implement advanced applications with multiple loops.The following shows a program that uses the for statement to output a 9*9 multiplication table: The code is as follows:Copy code

In front of you to explain the PHP loop statement in the while statement loop, in fact, while the statement has another form of expression, which is what we are going to explain to you today, "Do...while" loop statement。 Do...while The concept of

Loop structureone, while Loopwhile (expression){The loop body;//executes repeatedly until the expression is false}Code:$index = 1;while ($index {Print "number is {$index}";$index + +;}print "Done";Operation Result:Number is 1Number is 2Number is

PHP_MySQL tutorial-the next day while loop and the first page of database operations while loop In this lesson, we will continue to use PHP and MySQL to write some simple and useful pages. We started to display the data in the database from the

Comparison of foreach and while loops in php. Foreach and while are both loops in php, so what is their difference between foreach and while loops, and that performance will be better, next, I will introduce the differences between foreach and while

For the purposes of this tutorial, the difference between do and while for a circular statement commonly used in PHP programming is to do when the condition is true and do is executed at least, so let's take a look at do {}while (conditional)

Foreach and while are both loops in php, so what is the difference between foreach and while loops? The performance will be better. Next I will introduce the differences between foreach and while loops and the performance comparison, for more

There is a certain difference between the PHP do While loop statement and the while, and the difference is that the do is executed first, regardless of whether the condition is true, while the while must be true. A "dol while" loop is a while

If, while usage differences in different languagesIf, while, and other branch loop structures inherit the external scope, that is, the external variables are visible inside the branch loop structure.However, the C language does not support the

Learning notes for forwhile loop statements in php. This article introduces how to use basic loop statements in php, including for loop, while loop, and dowhile loop. This article is suitable for beginners of php. This article introduces how to use