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- <!doctype html>
- <html>
- <head>
- <title>Exchange value</title>
- <meta charset="UTF-8"/>
- </head>
- <body>
- <h3>Размяна на стойностите</h3>
- <form action="<?php echo $_SERVER['PHP_SELF'];?>" method="get">
- Стойност 1<input type="text" name="var_a" size="10"><br/>
- Стойност 2<input type="text" name="var_b" size="10"><br/>
- <input type="submit" name="send" value="OK"><br/>
- <form>
- <?php
- if(isset($_GET['send'])){
- $var_a= $_GET['var_a'];
- $var_b= $_GET['var_b'];
- $user_arr = array($var_a, $var_b);
- if(is_numeric($var_a) && is_numeric($var_b)){
- echo "Вашите въведени стойности са $var_a и $var_b, а подредените стойности са ";
- if ($var_a>$var_b){
- //sort($user_arr, SORT_NUMERIC) - подрежда числата в масив
- sort($user_arr, SORT_NUMERIC);
- foreach($user_arr as $value){
- echo $value.", ";
- }
- }
- else{
- echo "$var_a, $var_b";
- }
- }
- else{
- echo "Некоректно въведени стойности, моля въведете числена стойност в полетата!";
- }
- }
- ?>
- </body>
- </html>
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