exercise-string/index.php at main · fatemaasem/exercise-string · GitHub

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<html>
  <body>
    <hr>
    <center>
    <h3 style="color:gray;">string functions</h3>
   </center>
    <form method='get'>

      <label>transform a string all uppercase letters.</label><br>
      <input type="checkbox" name="str_upper" value="str_upper"><br>
      <label> transform a string all lowercase letters.</label><br>
      <input type="checkbox" name="str_lower" value="str_lower"><br>
      <label>make a string's first character uppercase.</label><br>
      <input type="checkbox" name="fchar_for_str_lower" value="fchar_for_str_lower"><br>
      <label >make a string's first character of all the words uppercase</label><br>
      <input type="checkbox" name="fchar_for_all_str_lower" value="fchar_for_all_str_lower"><br>
      <label > spilt 082307 to 08:23:07 </lable><br>
      <input type="checkbox" name="convert_str" value="convert"><br>
      <lable>check whether a string contains a specific string</lable><br>
      <input type="text" name ="str"><input type="text" name=specific_string><br>
      <input type="submit" name="form2Submit"><br>

</form>
<?php
  if(isset($_GET['str_upper']))
   transform__string_all_uppercase_letters("word");
  if(isset($_GET['str_lower'])) transform_string_all_lowercase_letters('WORD');
  if(isset($_GET['fchar_for_str_lower']))  make_string_first_character_uppercase('word');
  if(isset($_GET['fchar_for_all_str_lower']))make_string_first_character_of_all_the_words_uppercase("it is my word");
  if(isset($_GET['convert_str'])) {
    $str= chunk_split("082307",2,':');
    $len=strlen($str)-1;
    if($str[$len]==':')$str= substr( $str,0,$len);
    echo $str."<br>";
  }
  if(isset($_GET['str'])&&isset($_GET['specific_string'])){
    if(strpos($_GET['str'],$_GET['specific_string']))
    echo "The string contains the substring.";
   else
      echo "The string does not contain the substring.";
  }
?>
</body>
  </html>