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First Draft

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First Draft of the Example Files
This commit is contained in:
RobinNixon
2020-12-10 13:21:38 +00:00
parent 77a7b57c4f
commit 0335342e00
1127 changed files with 46959 additions and 56 deletions
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11/01.php
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<?php // login.php
$host = 'localhost'; // Change as necessary
$data = 'publications'; // Change as necessary
$user = 'root'; // Change as necessary
$pass = 'mysql'; // Change as necessary
$chrs = 'utf8mb4';
$attr = "mysql:host=$host;dbname=$data;charset=$chrs";
$opts =
[
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
?>
11/02.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
?>
11/03.php
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<?php
$query = "SELECT * FROM classics";
$result = $pdo->query($query);
?>
11/04.php
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<?php // query-pdo.php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "SELECT * FROM classics";
$result = $pdo->query($query);
while ($row = $result->fetch())
{
echo 'Author: ' . htmlspecialchars($row['author']) . "<br>";
echo 'Title: ' . htmlspecialchars($row['title']) . "<br>";
echo 'Category: ' . htmlspecialchars($row['categoryr']) . "<br>";
echo 'Year: ' . htmlspecialchars($row['year']) . "<br>";
echo 'ISBN: ' . htmlspecialchars($row['isbn']) . "<br><br>";
}
?>
11/05.php
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<?php //fetchrow.php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "SELECT * FROM classics";
$result = $pdo->query($query);
while ($row = $result->fetch(PDO::FETCH_BOTH)) // Style of fetch
{
echo 'Author: ' . htmlspecialchars($row['author']) . "<br>";
echo 'Title: ' . htmlspecialchars($row['title']) . "<br>";
echo 'Category: ' . htmlspecialchars($row['categoryr']) . "<br>";
echo 'Year: ' . htmlspecialchars($row['year']) . "<br>";
echo 'ISBN: ' . htmlspecialchars($row['isbn']) . "<br><br>";
}
?>
11/06.php
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<?php // sqltest.php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
if (isset($_POST['delete']) && isset($_POST['isbn']))
{
$isbn = get_post($pdo, 'isbn');
$query = "DELETE FROM classics WHERE isbn=$isbn";
$result = $pdo->query($query);
}
if (isset($_POST['author']) &&
isset($_POST['title']) &&
isset($_POST['category']) &&
isset($_POST['year']) &&
isset($_POST['isbn']))
{
$author = get_post($pdo, 'author');
$title = get_post($pdo, 'title');
$category = get_post($pdo, 'category');
$year = get_post($pdo, 'year');
$isbn = get_post($pdo, 'isbn');
$query = "INSERT INTO classics VALUES" .
"($author, $title, $category, $year, $isbn)";
$result = $pdo->query($query);
}
echo <<<_END
<form action="sqltest.php" method="post"><pre>
Author <input type="text" name="author">
Title <input type="text" name="title">
Category <input type="text" name="category">
Year <input type="text" name="year">
ISBN <input type="text" name="isbn">
<input type="submit" value="ADD RECORD">
</pre></form>
_END;
$query = "SELECT * FROM classics";
$result = $pdo->query($query);
while ($row = $result->fetch())
{
$r0 = htmlspecialchars($row['author']);
$r1 = htmlspecialchars($row['title']);
$r2 = htmlspecialchars($row['category']);
$r3 = htmlspecialchars($row['year']);
$r4 = htmlspecialchars($row['isbn']);
echo <<<_END
<pre>
Author $r0
Title $r1
Category $r2
Year $r3
ISBN $r4
</pre>
<form action='sqltest.php' method='post'>
<input type='hidden' name='delete' value='yes'>
<input type='hidden' name='isbn' value='$r4'>
<input type='submit' value='DELETE RECORD'></form>
_END;
}
function get_post($pdo, $var)
{
return $pdo->quote($_POST[$var]);
}
?>
11/07.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "CREATE TABLE cats (
id SMALLINT NOT NULL AUTO_INCREMENT,
family VARCHAR(32) NOT NULL,
name VARCHAR(32) NOT NULL,
age TINYINT NOT NULL,
PRIMARY KEY (id)
)";
$result = $pdo->query($query);
?>
11/08.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "DESCRIBE cats";
$result = $pdo->query($query);
echo "<table><tr><th>Column</th><th>Type</th><th>Null</th><th>Key</th></tr>";
while ($row = $result->fetch(PDO::FETCH_NUM))
{
echo "<tr>";
for ($k = 0 ; $k < 4 ; ++$k)
echo "<td>" . htmlspecialchars($row[$k]) . "</td>";
echo "</tr>";
}
echo "</table>";
?>
11/09.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "DROP TABLE cats";
$result = $pdo->query($query);
?>
11/10.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "INSERT INTO cats VALUES(NULL, 'Lion', 'Leo', 4)";
$result = $pdo->query($query);
$query = "INSERT INTO cats VALUES(NULL, 'Cougar', 'Growler', 2)";
$result = $pdo->query($query);
$query = "INSERT INTO cats VALUES(NULL, 'Cheetah', 'Charly', 3)";
$result = $pdo->query($query);
?>
11/11.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "SELECT * FROM cats";
$result = $pdo->query($query);
echo "<table><tr> <th>Id</th> <th>Family</th><th>Name</th><th>Age</th></tr>";
while ($row = $result->fetch(PDO::FETCH_NUM))
{
echo "<tr>";
for ($k = 0 ; $k < 4 ; ++$k)
echo "<td>" . htmlspecialchars($row[$k]) . "</td>";
echo "</tr>";
}
echo "</table>";
?>
11/12.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "UPDATE cats SET name='Charlie' WHERE name='Charly'";
$result = $pdo->query($query);
?>
11/13.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "DELETE FROM cats WHERE name='Growler'";
$result = $pdo->query($query);
?>
11/14.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "INSERT INTO cats VALUES(NULL, 'Lynx', 'Stumpy', 5)";
$result = $pdo->query($query);
echo "The Insert ID was: " . $pdo->lastInsertId();
?>
11/15.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$query = "SELECT * FROM customers";
$result = $pdo->query($query);
while ($row = $result->fetch())
{
$custname = htmlspecialchars($row['name']);
$custisbn = htmlspecialchars($row['isbn']);
echo "$custname purchased ISBN $custisbn: <br>";
$subquery = "SELECT * FROM classics WHERE isbn='$custisbn'";
$subresult = $pdo->query($subquery);
$subrow = $subresult->fetch();
$custbook = htmlspecialchars($subrow['title']);
$custauth = htmlspecialchars($subrow['author']);
echo "&nbsp;&nbsp; '$custbook' by $custauth<br><br>";
}
?>
11/16.php
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<?php
function mysql_fix_string($pdo, $string)
{
if (get_magic_quotes_gpc()) $string = stripslashes($string);
return $pdo->quote($string);
}
?>
11/17.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$user = mysql_fix_string($pdo, $_POST['user']);
$pass = mysql_fix_string($pdo, $_POST['pass']);
$query = "SELECT * FROM users WHERE user=$user AND pass=$pass";
// Etc...
function mysql_fix_string($pdo, $string)
{
if (get_magic_quotes_gpc()) $string = stripslashes($string);
return $pdo->quote($string);
}
?>
11/18.sql
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PREPARE statement FROM "INSERT INTO classics VALUES(?,?,?,?,?)";
SET @author = "Emily Brontë",
@title = "Wuthering Heights",
@category = "Classic Fiction",
@year = "1847",
@isbn = "9780553212587";
EXECUTE statement USING @author,@title,@category,@year,@isbn;
DEALLOCATE PREPARE statement;
11/19.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$stmt = $pdo->prepare('INSERT INTO classics VALUES(?,?,?,?,?)');
$stmt->bindParam(1, $author, PDO::PARAM_STR, 128);
$stmt->bindParam(2, $title, PDO::PARAM_STR, 128);
$stmt->bindParam(3, $category, PDO::PARAM_STR, 16 );
$stmt->bindParam(4, $year, PDO::PARAM_INT );
$stmt->bindParam(5, $isbn, PDO::PARAM_STR, 13 );
$author = 'Emily Brontë';
$title = 'Wuthering Heights';
$category = 'Classic Fiction';
$year = '1847';
$isbn = '9780553212587';
$stmt->execute([$author, $title, $category, $year, $isbn]);
printf("%d Row inserted.\n", $stmt->rowCount());
?>
11/20.php
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<?php
function mysql_entities_fix_string($pdo, $string)
{
return htmlentities(mysql_fix_string($pdo, $string));
}
function mysql_fix_string($pdo, $string)
{
if (get_magic_quotes_gpc()) $string = stripslashes($string);
return $pdo->real_escape_string($string);
}
?>
11/21.php
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<?php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
$user = mysql_entities_fix_string($pdo, $_POST['user']);
$pass = mysql_entities_fix_string($pdo, $_POST['pass']);
$query = "SELECT * FROM users WHERE user='$user' AND pass='$pass'";
//Etc…
function mysql_entities_fix_string($pdo, $string)
{
return htmlentities(mysql_fix_string($pdo, $string));
}
function mysql_fix_string($pdo, $string)
{
if (get_magic_quotes_gpc()) $string = stripslashes($string);
return $pdo->quote($string);
}
?>
11/login.php
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<?php // login.php
$host = 'localhost';
$data = 'publications';
$user = 'root'; // Change as necessary
$pass = 'mysql'; // Change as necessary
$chrs = 'utf8mb4';
$attr = "mysql:host=$host;dbname=$data;charset=$chrs";
$opts =
[
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
?>
11/sqltest.php
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<?php // sqltest.php
require_once 'login.php';
try
{
$pdo = new PDO($attr, $user, $pass, $opts);
}
catch (\PDOException $e)
{
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
if (isset($_POST['delete']) && isset($_POST['isbn']))
{
$isbn = get_post($pdo, 'isbn');
$query = "DELETE FROM classics WHERE isbn=$isbn";
$result = $pdo->query($query);
}
if (isset($_POST['author']) &&
isset($_POST['title']) &&
isset($_POST['category']) &&
isset($_POST['year']) &&
isset($_POST['isbn']))
{
$author = get_post($pdo, 'author');
$title = get_post($pdo, 'title');
$category = get_post($pdo, 'category');
$year = get_post($pdo, 'year');
$isbn = get_post($pdo, 'isbn');
$query = "INSERT INTO classics VALUES" .
"($author, $title, $category, $year, $isbn)";
$result = $pdo->query($query);
}
echo <<<_END
<form action="sqltest.php" method="post"><pre>
Author <input type="text" name="author">
Title <input type="text" name="title">
Category <input type="text" name="category">
Year <input type="text" name="year">
ISBN <input type="text" name="isbn">
<input type="submit" value="ADD RECORD">
</pre></form>
_END;
$query = "SELECT * FROM classics";
$result = $pdo->query($query);
while ($row = $result->fetch())
{
$r0 = htmlspecialchars($row['author']);
$r1 = htmlspecialchars($row['title']);
$r2 = htmlspecialchars($row['category']);
$r3 = htmlspecialchars($row['year']);
$r4 = htmlspecialchars($row['isbn']);
echo <<<_END
<pre>
Author $r0
Title $r1
Category $r2
Year $r3
ISBN $r4
</pre>
<form action='sqltest.php' method='post'>
<input type='hidden' name='delete' value='yes'>
<input type='hidden' name='isbn' value='$r4'>
<input type='submit' value='DELETE RECORD'></form>
_END;
}
function get_post($pdo, $var)
{
return $pdo->quote($_POST[$var]);
}
?>