php_sandbox/string_functions.php

   1 <html>
   2 <head>
   3   <title>String Functions</title>
   4 </head>
   5 <body>
   6
   7 <?php
   8   $firstString = "The quick brown fox";
   9   $secondString = " jumped over the lazy dog.";
  10 ?>
  11 <?php
  12   $thirdString = $firstString;
  13   $thirdString .= $secondString;
  14   echo $thirdString;
  15 ?>
  16 <br />
  17 Lowercase: <?php echo strtolower($thirdString); ?><br />
  18 Uppercase: <?php echo strtoupper($thirdString); ?><br />
  19 Uppercase first-letter: <?php echo ucfirst($thirdString); ?><br />
  20 Uppercase words: <?php echo ucwords($thirdString); ?><br />
  21 <br />
  22 Length: <?php echo strlen($thirdString); ?><br />
  23 Trim: <?php echo $fourthString = $firstString . trim($secondString) ?><br />
  24 Find: <?php echo strstr($thirdString, "brown"); ?><br />
  25 Replace by string: <?php echo str_replace("quick", "super-fast", $thirdString); ?><br />
  26 <br />
  27 Repeat: <?php echo str_repeat($thirdString, 2); ?><br />
  28 Make substring: <?php echo substr($thirdString, 5, 10); ?><br />
  29 Find position: <?php echo strpos($thirdString, "brown"); ?><br />
  30 Find character: <?php echo strchr($thirdString, "z"); ?><br />
  31
  32 </body>
  33 </html>