PHP Learning Loop Structure Implementation Code _php tutorial

Source: Internet
Author: User
Copy CodeThe code is as follows:
/* Loop structure
* One, while loop
* while (expression)
* {
* loop body;//Repeat until expression is false
* }
* Second, Do-while cycle
* Three, for loop
*
* There are two types of loops depending on the cycle condition
*
* One: Counting cycle (general use for)
* Another: Conditional loop (typically using while do-while)
*
*
*
*/
Use of While
/* $num = 0;
while ($num <100)
{
echo "Output {$num}";
$num + +;
}*/
While output table
Echo '
























'; Echo ' '; $i = 0; while ($i <1000) {//10 times a line break if ($i%10==0) {if ($i%20==0) {$bg = "#ffffff";} else {$bg = "#cccccc";} Echo ' ';//output interlaced color change} echo ' '; $i + +; if ($i%10==0) {echo ' '; }} Echo '

Using the While output table

'. $i. '
';
?>

http://www.bkjia.com/PHPjc/323565.html www.bkjia.com true http://www.bkjia.com/PHPjc/323565.html techarticle Copy the code as follows:? PHP/* Looping structure * One, while loop * while (expression) * {* loop body;//Repeat until expression is false *} * Second, Do-while Loop * Three, for follow ...

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