PhoneBook7 Example Source Code

PhoneBook7 Example

Filename: phonebook7.php

<html>

<head>
<title>PhoneBook7 Example</title>
<link rel="stylesheet" type="text/css" href="../styles.css" />
</head>

<body>

<h2>PhoneBook7 Example</h2>

<?php echo <<<HTML
<form action='$_SERVER[PHP_SELF]' method='POST'>
HTML;
?>

<p>Names:<br />
<select name="ddmName">
<option value="">   </option>
<?php
    $fin = fopen("phonenumbers.txt", "rb");
    $line = fgets($fin);
    $entries = array( );
    while(!feof($fin))
    {
        $fields = explode(",", $line);
        $name = $fields[0];
        $entries[ ] = $line;
        echo $name;
        echo "<option value=\"{$name}\">$name</option>";  
        $line = fgets($fin);    
    }
    echo "</select> </p>";

if (isset($_POST["ddmName"]))
    {
        $name_to_find = $_POST["ddmName"];
        for ($n = 0; $n < count($entries); $n++)
        {
            $line = $entries[$n];
            $fields = explode(',', $line);
            $name = $fields[0];
            $number = $fields[1];
            if($name_to_find == $name)
            {
                break; 
            }
        }
        if ($n == count($entries))
        {
            $number = "";
        }
    }
    else
    {
        $number = "";
    }
?>

<p>
Phone Number:<br />
<input type="text" name="txtNumber" size="20"
       value="<?php echo $number; ?>" /> 
</p>
   
<p><input type="submit" name="btnSubmit" 
          value="Lookup Phone Number" /></p>
</form>
</body>

</html>

Datafile Filename: phonenumbers.txt