O'Reilly logo

PHP Quick Scripting Reference by Mikael Olsson

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

CHAPTER 7

image

Loops

There are four looping structures in PHP. These are used to execute a specific code block multiple times. Just as with the conditional if statement, the curly brackets for the loops can be left out if there is only one statement in the code block.

While loop

The while loop runs through the code block only if its condition is true, and will continue looping for as long as the condition remains true. Note that the condition is only checked at the beginning of each iteration (loop).

$i = 0;while ($i < 10) { echo $i++; } // 0-9

Do-while loop

The do-while loop works in the same way as the while loop, except that it checks the condition ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required