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| <?php
class Database
{
private $host = 'localhost';
private $user = '';
private $pass = '';
private $dbname = '';
private $dbh;
private $stmt;
/*** _construct Start ***/
public function __construct()
{
// Set DSN
$dsn = 'mysql:host=' . $this->host . ';dbname=' . $this->dbname;
// Set options
$options = [
PDO::ATTR_PERSISTENT => false,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8",
PDO::ATTR_EMULATE_PREPARES => false,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => true,
PDO::MYSQL_ATTR_FOUND_ROWS => true
];
// Create a new PDO instanace
try {
$this->dbh = new PDO($dsn, $this->user, $this->pass, $options);
}
// Catch any errors
catch (PDOException $e) {
$this->error = $e->getMessage();
}
}
/*** _construct EnD ***/
/*** function to SELECT from the database Start ***/
public function select($table, $rows = '*', $join = null, $where = null, $group = null, $order = null, $limit = null)
{
// get fields
if (is_array($rows)) :
$fields = implode(', ', $rows);
else :
$fields = '*';
endif;
// Create query from the variables passed to the function
$sql = 'SELECT ' . $fields . ' FROM ' . $table;
if ($join != null) {
$sql .= ' JOIN ' . $join;
}
if ($where != null) {
$sql .= ' WHERE ' . $where;
}
if ($group != null) {
$sql .= ' GROUP BY ' . $group;
}
if ($order != null) {
$sql .= ' ORDER BY ' . $order;
}
if ($limit != null) {
$sql .= ' LIMIT ' . $limit;
}
//echo $sql . '<br>';
$this->sql = $sql;
return $this->sql;
}
/*** function to SELECT from the database EnD ***/
/*** function to INSERT to the database Start ***/
public function insert($table, $fields = [])
{
$sql = 'INSERT INTO ' . $table . ' (' . implode(', ', array_keys($fields)) . ') VALUES ("' . implode('", "', $fields) . '")';
echo 'Insert: ' . $sql . '<br>';
$this->sql = $sql;
//return $this->sql;
}
/*** function to INSERT to the database EnD ***/
/*** function to UPDATE database Start ***/
public function update($table, $fields = [], $where = null)
{
$args = [];
foreach ($fields as $fk => $fv) :
$fk = $this->strSafe($fk); // protect value against XSS attack
$args[] .= $fk . ' = :' . $fk;
endforeach;
$sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $args);
if ($where != null) {
$sql .= ' WHERE ' . $where;
}
$this->sql = $sql;
return $this->sql;
}
/*** function to UPDATE database EnD ***/
/*** function to delete from database Start ***/
public function delete($table, $where = null)
{
if ($where == null) :
return false;
else :
$sql = 'DELETE FROM ' . $table;
if ($where != null) {
$sql .= ' WHERE ' . $where;
}
endif;
$this->sql = $sql;
return $this->sql;
}
/*** function to delete from database Start ***/
public function showCols($table)
{
$sql = 'SHOW COLUMNS FROM ' . $table;
$this->sql = $sql;
return $this->sql;
}
/*** function to prepare query Start ***/
public function prepare()
{
return $this->stmt = $this->dbh->prepare($this->sql);
}
/*** function to prepare query EnD ***/
/*** function to bind query Start ***/
public function bind($param, $value, $type = null)
{
if (is_null($type)) :
switch (true):
case is_int($value):
$type = PDO::PARAM_INT;
break;
case is_bool($value):
$type = PDO::PARAM_BOOL;
break;
case is_null($value):
$type = PDO::PARAM_NULL;
break;
default:
$type = PDO::PARAM_STR;
endswitch; // end switch (true):
endif; // end if (is_null($type)):
$value = $this->strSafe($value); // protect value against XSS
$this->stmt->bindParam($param, $value, $type); // ligne 179
}
/*** function to bind query EnD ***/
/*** function to execute query Start ***/
public function execute()
{
return $this->stmt->execute();
}
/*** function to execute query EnD ***/
/*** function to execute and fetch Start ***/
public function resultset()
{
$this->execute();
return $this->stmt->fetchAll(PDO::FETCH_ASSOC);
}
/*** function to execute and fetch EnD ***/
/*** function to count rows Start ***/
public function rowCount()
{
return $this->stmt->rowCount();
}
/*** function to count rows EnD ***/
/*** function to get last inserted ID Start ***/
public function lastInsertId()
{
return $this->dbh->lastInsertId();
}
/*** function to get last inserted ID EnD ***/
public function beginTransaction()
{
return $this->dbh->beginTransaction();
}
public function endTransaction()
{
return $this->dbh->commit();
}
public function cancelTransaction()
{
return $this->dbh->rollBack();
}
public function debugDumpParams()
{
return $this->stmt->debugDumpParams();
}
public function strSafe($string)
{
$string = trim(strip_tags(($string)));
$string = preg_replace('/\s+/', ' ', $string); // remove more than one space
$this->string = $string;
return $this->string;
}
} // end class |
Erreur lors de l'insertion des données en PDO
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