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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.,
The PHP do...while Loop. The do...whileloop will always execute the block of code at least once, it will then check the condition, and repeat the loop while the specified condition is true. Example. Print $ias long as $iis less than 6: $i = 1;do { echo $i; $i++;} while ($i < 6); Try it Yourself ».
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.
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'; }
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.
The PHP do-while loop is used to execute a set of code of the program several times. If you have to execute the loop at least once and the number of iterations is not even fixed, it is recommended to use the do-while loop.
