From 4fa83b7f8bf254930a9921dad10989ff836923a0 Mon Sep 17 00:00:00 2001 From: Peter Gerwinski <peter.gerwinski@hs-bochum.de> Date: Wed, 13 Dec 2023 21:50:44 +0100 Subject: [PATCH] PHP-Beispiele 7.12.2023 --- 20231207/index-01.html | 8 +++++++ 20231207/index-02.html | 9 ++++++++ 20231207/school-01.php | 45 +++++++++++++++++++++++++++++++++++++++ 20231207/school-02.php | 47 +++++++++++++++++++++++++++++++++++++++++ 20231207/school.html | 10 +++++++++ 20231207/tiere-01.php | 32 ++++++++++++++++++++++++++++ 20231207/tiere-02.php | 34 +++++++++++++++++++++++++++++ 20231207/tiere-03.php | 30 ++++++++++++++++++++++++++ 20231207/tiere-04.php | 29 +++++++++++++++++++++++++ 20231207/tiere-05.php | 30 ++++++++++++++++++++++++++ 20231207/welcome-01.php | 5 +++++ 20231207/welcome-02.php | 6 ++++++ 12 files changed, 285 insertions(+) create mode 100644 20231207/index-01.html create mode 100644 20231207/index-02.html create mode 100644 20231207/school-01.php create mode 100644 20231207/school-02.php create mode 100644 20231207/school.html create mode 100644 20231207/tiere-01.php create mode 100644 20231207/tiere-02.php create mode 100644 20231207/tiere-03.php create mode 100644 20231207/tiere-04.php create mode 100644 20231207/tiere-05.php create mode 100644 20231207/welcome-01.php create mode 100644 20231207/welcome-02.php diff --git a/20231207/index-01.html b/20231207/index-01.html new file mode 100644 index 0000000..f6702da --- /dev/null +++ b/20231207/index-01.html @@ -0,0 +1,8 @@ +<html> + <body> + <form action="welcome-01.php" method="post"> + Your name: <input type="text" name="name"><br> + <input type="submit"> + </form> + </body> +</html> diff --git a/20231207/index-02.html b/20231207/index-02.html new file mode 100644 index 0000000..f03af4b --- /dev/null +++ b/20231207/index-02.html @@ -0,0 +1,9 @@ +<html> + <body> + <form action="welcome-02.php" method="post"> + Your name: <input type="text" name="name"><br> + <input type="hidden" name="answer" value="42"> + <input type="submit"> + </form> + </body> +</html> diff --git a/20231207/school-01.php b/20231207/school-01.php new file mode 100644 index 0000000..fb680c4 --- /dev/null +++ b/20231207/school-01.php @@ -0,0 +1,45 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = 1234'); + } + catch (\PDOException $e) + { + echo '<p>'; + echo $e->getMessage(); + echo '</p>'; + echo '<p>'; + exit ('cannot connect to database'); + echo '</p>'; + } + $db->exec ('INSERT INTO students (first_name, family_name) VALUES ( ' + .$_POST["first_name"].', '.$_POST["familty_name"] + .' );'); + $stmt = $db->query ('SELECT * FROM student;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['id']; + echo '</td><td>'; + echo $row['first_name']; + echo '</td><td>'; + echo $row['family_name']; + echo '</td></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> + +<!-- Aus den Log-Dateien des Web-Servers: + + [Thu Dec 07 12:50:06.952167 2023] [php:error] [pid 163970] [client ::1:52394] + PHP Fatal error: Uncaught PDOException: SQLSTATE[42601]: Syntax error: 7 + FEHLER: Syntaxfehler bei \xc2\xbb)\xc2\xab\nLINE 1: ... INTO students + (first_name, family_name) VALUES ( Peter, );\n + ^ in /var/www/dbs/school-01.php:17\nStack trace:\n#0 + /var/www/dbs/school-01.php(17): PDO->exec()\n#1 {main}\n thrown in + /var/www/dbs/school-01.php on line 17 diff --git a/20231207/school-02.php b/20231207/school-02.php new file mode 100644 index 0000000..21016a8 --- /dev/null +++ b/20231207/school-02.php @@ -0,0 +1,47 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = 1234'); + } + catch (\PDOException $e) + { + echo '<p>'; + echo $e->getMessage(); + echo '</p>'; + echo '<p>'; + exit ('cannot connect to database'); + echo '</p>'; + } + $db->exec ("INSERT INTO students (first_name, family_name) VALUES ( '" + .$_POST["first_name"]."', '".$_POST["family_name"] + ."' );"); + $stmt = $db->query ('SELECT * FROM students;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['id']; + echo '</td><td>'; + echo $row['first_name']; + echo '</td><td>'; + echo $row['family_name']; + echo '</td></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> + +<!-- Aus den Log-Dateien des Web-Servers: + + [Thu Dec 07 12:50:06.952167 2023] [php:error] [pid 163970] [client ::1:52394] + PHP Fatal error: Uncaught PDOException: SQLSTATE[42601]: Syntax error: 7 + FEHLER: Syntaxfehler bei \xc2\xbb)\xc2\xab\nLINE 1: ... INTO students + (first_name, family_name) VALUES ( Peter, );\n + ^ in /var/www/dbs/school-01.php:17\nStack trace:\n#0 + /var/www/dbs/school-01.php(17): PDO->exec()\n#1 {main}\n thrown in + /var/www/dbs/school-01.php on line 17 + +--> diff --git a/20231207/school.html b/20231207/school.html new file mode 100644 index 0000000..4299afc --- /dev/null +++ b/20231207/school.html @@ -0,0 +1,10 @@ +<html> + <body> + <h3>Register new student</h3> + <form action="school-02.php" method="post"> + First name: <input type="text" name="first_name"><br> + Family name: <input type="text" name="family_name"><br> + <input type="submit"> + </form> + </body> +</html> diff --git a/20231207/tiere-01.php b/20231207/tiere-01.php new file mode 100644 index 0000000..734d144 --- /dev/null +++ b/20231207/tiere-01.php @@ -0,0 +1,32 @@ +<html> + <body> + <?php + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = abcd'); + $stmt = $db->query ('SELECT * FROM tier;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['name']; + echo '</td><td>'; + echo $row['tierart']; + echo '</tr></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> + +<!-- Aus den Log-Dateien des Web-Servers: + + [Thu Dec 07 12:27:14.834918 2023] [php:error] [pid 130668] [client ::1:60980] + PHP Fatal error: Uncaught PDOException: SQLSTATE[08006] [7] connection to + server at "localhost" (::1), port 5432 failed: FATAL: + Passwort-Authentifizierung f\xc3\xbcr Benutzer \xc2\xbbdbs\xc2\xab + fehlgeschlagen\nconnection to server at "localhost" (::1), port 5432 failed: + FATAL: Passwort-Authentifizierung f\xc3\xbcr Benutzer \xc2\xbbdbs\xc2\xab + fehlgeschlagen in /var/www/dbs/tiere-01.php:4\nStack trace:\n#0 + /var/www/dbs/tiere-01.php(4): PDO->__construct()\n#1 {main}\n thrown in + /var/www/dbs/tiere-01.php on line 4 + +--> diff --git a/20231207/tiere-02.php b/20231207/tiere-02.php new file mode 100644 index 0000000..0df5e72 --- /dev/null +++ b/20231207/tiere-02.php @@ -0,0 +1,34 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = abcd'); + } + catch (\PDOException $e) + { + echo $e->getMessage(); + } + $stmt = $db->query ('SELECT * FROM tier;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['name']; + echo '</td><td>'; + echo $row['tierart']; + echo '</tr></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> + +<!-- Aus den Log-Dateien des Web-Servers: + + [Thu Dec 07 12:32:31.413292 2023] [php:error] [pid 163972] [client ::1:55210] + PHP Fatal error: Uncaught Error: Call to a member function query() on null in + /var/www/dbs/tiere-02.php:12\nStack trace:\n#0 {main}\n thrown in + /var/www/dbs/tiere-02.php on line 12 + +--> diff --git a/20231207/tiere-03.php b/20231207/tiere-03.php new file mode 100644 index 0000000..93941fe --- /dev/null +++ b/20231207/tiere-03.php @@ -0,0 +1,30 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = abcd'); + } + catch (\PDOException $e) + { + echo '<p>'; + echo $e->getMessage(); + echo '</p>'; + echo '<p>'; + exit ('cannot connect to database'); + echo '</p>'; + } + $stmt = $db->query ('SELECT * FROM tier;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['name']; + echo '</td><td>'; + echo $row['tierart']; + echo '</tr></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> diff --git a/20231207/tiere-04.php b/20231207/tiere-04.php new file mode 100644 index 0000000..5f78851 --- /dev/null +++ b/20231207/tiere-04.php @@ -0,0 +1,29 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = abcd'); + } + catch (\PDOException $e) + { + echo '<p>'; + echo $e->getMessage(); + echo '</p>'; + echo '<p>'; + exit ("cannot connect to database\n</p></body></html>"); + } + $stmt = $db->query ('SELECT * FROM tier;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['name']; + echo '</td><td>'; + echo $row['tierart']; + echo '</tr></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> diff --git a/20231207/tiere-05.php b/20231207/tiere-05.php new file mode 100644 index 0000000..5990373 --- /dev/null +++ b/20231207/tiere-05.php @@ -0,0 +1,30 @@ +<html> + <body> + <?php + try + { + $db = new PDO ('pgsql: host = localhost; dbname = testdb; user = dbs; password = 1234'); + } + catch (\PDOException $e) + { + echo '<p>'; + echo $e->getMessage(); + echo '</p>'; + echo '<p>'; + exit ('cannot connect to database'); + echo '</p>'; + } + $stmt = $db->query ('SELECT * FROM tier;'); + echo '<table><tr>'; + while ($row = $stmt->fetch()) + { + echo '<tr><td>'; + echo $row['name']; + echo '</td><td>'; + echo $row['tierart']; + echo '</tr></tr>'; + } + echo '</tr></table>'; + ?> + </body> +</html> diff --git a/20231207/welcome-01.php b/20231207/welcome-01.php new file mode 100644 index 0000000..de6e75c --- /dev/null +++ b/20231207/welcome-01.php @@ -0,0 +1,5 @@ +<html> + <body> + Hello, <?php echo $_POST["name"]; ?>! + </body> +</html> diff --git a/20231207/welcome-02.php b/20231207/welcome-02.php new file mode 100644 index 0000000..ba73e93 --- /dev/null +++ b/20231207/welcome-02.php @@ -0,0 +1,6 @@ +<html> + <body> + Hello, <?php echo $_POST["name"]; ?>!<br/> + The answer is <?php echo $_POST["answer"]; ?>. + </body> +</html> -- GitLab