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Within a method, we can alter the flow of control using either conditionals or loops. The loop statements while, do-while, and for. allow us execute a statement(s) over and over. Like a conditional, a loop is controlled by a boolean expression that determines how many times the statement is executed. E.g.,
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7 lip 2022 · We have a few different kinds of loops in PHP: while, do while, for, and foreach. Let’s see them all! How to Use a while loop in PHP. A while loop is the simplest one. It keeps iterating while the condition evaluates to true: while (true) { echo 'looping'; }
Learning PHP eBook (PDF) Download this eBook for free Chapters. Chapter 1: Getting started with PHP. Chapter 2: Alternative Syntax for Control Structures. Chapter 3: APCu. Chapter 4: Array iteration. Chapter 5: Arrays. Chapter 6: Asynchronous programming. Chapter 7: Autoloading Primer.
do-while. (PHP 4, PHP 5, PHP 7, PHP 8) do-while loops are very similar to while loops, except the truth expression is checked at the end of each iteration instead of in the beginning.
11 lis 2015 · I am learning JAVA and typed the following DO...WHILE example. The program will quit if I type 'q'. It runs but why I get three rows of "Please a key followed by ENTER:"?
9 lis 2023 · The do-while Loop. Similar to the while loop, but with a critical difference: the do-while loop checks its condition after the loop has executed, guaranteeing the loop's body will run at least once. Syntax: do { // Block of code to be repeated} while (condition); Example: Prompting user input until a valid number is received:
