This is an example of using fopen(), with the "a" argument to append new comma-separated entries to a text file, fwrite() to write the entries to it, and fclose() to close the file when finised. It also uses the file() function to read the contents of the file, and a for loop that iterates through each line of the file, and the explode() function to parse each line on the comma, and display each row and field in an html table. This is great for complex data structures that require advanced data manipulation such as sorting records in an array.
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>PHP Working with Text Files Example 1</title>
<link rel="stylesheet" href="../php_styles.css" type="text/css" />
</head>
<body>
<div align="center">
<!-- Form 1: Calls (a) addscript.php -->
<h3>Add a Bowler</h3>
<form action="addscript.php" method="get">
<label>First Name </label><input type="text" name="fname" /> <label>Last Name</label><input type="text" name="lname" />
<input type="submit" name="submit" value="Add" />
</form>
<!-- Form 2: Calls (b) displayscript.php -->
<h3>Display List of Bowlers</h3>
<form action="displayscript.php" method="get">
<input type="submit" name="submit" value="Display List" />
</form>
</div>
</body>
</html>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>PHP Working with Text Files Example 1</title>
</head>
<body>
<?php
if (empty($_GET['lname']) || empty($_GET['fname'])) {
echo '<div align=center>Please enter your first and last name. Click <a href="javascript: history.go(-1)">here</a> to return to the form.</div>';
} else {
$lname = ucfirst(strtolower($_GET['lname']));
$fname = ucfirst(strtolower($_GET['fname']));
$file = "bowlers.txt";
$bowlers = fopen($file, "a");
$bowler = $lname . ", " . $fname . "\n";
fwrite($bowlers, $bowler);
fclose($bowlers);
echo '<div align=center><p>' . $bowler . ' has been added.</p>';
echo '<p>Click <a href="http://php.skillbuilderblocks.com/tutorials/unit05/ex03/form.php" target="unit05content">here</a> to return to the form.</div></p>';
}
?>
</body>
</html>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>PHP Working with Text Files Example 1</title>
</head>
<body>
<?php
if (!file_exists("bowlers.txt")) {
echo "<div align=center>The file requested does not exist. Please add bowlers and try again.<br />";
echo "Click <a href='javascript: history.go(-1)'>here</a> to return to the form.</div>";
} else {
$bowlers = file("bowlers.txt");
sort($bowlers);
echo "<table border=1 width=35% align=center><tr><th>First Name</th><th>Last Name</th></tr>";
for ($i = 0; $i < count($bowlers); ++$i) {
$bowler = explode(",", $bowlers[$i]);
echo "<tr><td>" . $bowler[1] . "</td><td>" . $bowler[0] . "</td></tr>";
}
echo "</table>";
echo "<div align=center>Click <a href=\"http://php.skillbuilderblocks.com/tutorials/unit05/ex03/form.php\" target=\"unit05content\">here</a> to return to the form.</div>";
}
?>
</body>
</html>
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Changa, Chimi
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