The reverse of a string PHP Program with form and database
The reverse of a string PHP Program with form and database
In this tutorial, we will learn about the followings.
- The reverse of a string- PHP Program
- The reverse of a string PHP Program with form and database
The reverse of a string- PHP Program.
In this example, programmer stores the values in the variables. However, if you interested to see the program about taking values in the form, please see example 2.
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<?php function rev_str($str) { $n = strlen($str); if($n == 1) { return $str; } else { $n--; return rev_str(substr($str,1, $n)) . substr($str, 0, 1); } } print_r(rev_str('T4Tutorials.com')."\n"); ?> |
The reverse of a string PHP Program with form and database.
In this example, we will take the inputs from the user and store them in variables.
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<html> <head><title>Reverse String</title></head> <body> <form method="post"> Enter String: <input type="text" name="str"/> <input type="submit" name="ok"/> </form> <?php if(isset($_POST['ok'])){ $s=$_POST['str']; $rev=strrev($s); echo"$rev"; $conn = new mysqli("localhost", "root", "","reverse"); $sql = "INSERT INTO MYTable (String, ReverseString) VALUES ('$s', '$rev')"; if ($conn->query($sql) === TRUE) { echo "New record created successfully"; } else { echo "Error: " . $sql . "<br>" . $conn->error; } } ?> </body> </html> |
Database of the reverse of a string.