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<!DOCTYPE html> <html> <head> <title>String Functions</title> </head> <body> <h2>PHP Program to Demonstrate String Functions</h2> <form method="post"> Enter String 1: <input type="text" name="s1" required value="<?php echo isset($_POST['1']) ? $_POST['1']: "; ?>"><br><br> Enter String 2: <input type="text" name="s2" required value="<?php echo isset($_POST['2']) ? $_POST['s2']: "; ?>"><br><br> <input type="submit" name="submit" value="Submit"> </form> <br> <?php if (isset($_POST['submit'])) { $n1=$_POST['s1']; $n2 = $_POST['s2']; echo "Results": echo "String 1 before: ".$n1. "<br>"; echo "String 2 before: ".$n2. "<br>"; echo "The length of String 1 is: ".strlen($n1). "<br>"; echo "The reverse of String 2 is: ".strrev($n2). "<br>"; echo "The replaced String 1 is: ".str_replace($n1, "JGI", $n1). "<br>"; echo "The number of words in String 2 are: ".str_word_count($n2). "<br>"; echo "String 1 in uppercase:" strtoupper($n1)."<br>"; echo "String 2 in lowercase: ". strtolower($n2). "<br>"; } if (strcmp($n1, $n2) == 0) { echo "The strings are equal.<br>"; } else { echo "The strings are NOT equal.<br>"; } ?> </body> </html> }
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