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This article will explain in detail how to use the do...while loop in PHP. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

PHP do...while cycle

The do...while loop first executes the code block, then checks the condition, and repeats the loop if the specified condition is true.

Grammar

Do {Code to be executed;} while (condition is true)

The following example starts by setting the variable $x to 1 ($xroom1). Then, do while loops out a string and increments the variable $x by 1. The condition is then checked (whether $x is less than or equal to 5). The loop will continue to run as long as $x is less than or equal to 5:

Example

Note that the do while loop tests the condition only after the statements within the loop are executed. This means that the do while loop executes the statement at least once, even if the conditional test fails the first time.

The following example sets $x to 6, runs a loop, and then checks the condition:

Example

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