Библиотека для cis, online, cms1

core/drivers/database.mysql.php

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+<?php
+
+require_once 'core/drivers/db.php';
+
+/**
+ * Ïðîñòîé êëàññ äëÿ ðàáîòû ñ áàçàìè äàííûõ
+ */
+class Database_MYSQL extends DB implements IDatabase
+{
+    public function connect(array $dsn)
+    {
+        $db  = @mysql_pconnect($dsn['hostspec'], $dsn['username'], $dsn['password'])
+                or die("Unable connect to database!");
+
+        mysql_select_db($dsn['database']);
+        return ($this->db = $db);
+    }
+    
+    public function close()
+    {
+        return mysql_close($this->db);
+    }
+    
+    public function query($query)
+    {
+        $res = mysql_query($this->db, $query) 
+            or die("Error: wrong SQL query #$query#");
+        return $res;
+    }
+    
+    public function fetchAllArray($query)
+    {
+        $res = $this->query($query);
+
+        while ($row = mysql_fetch_array ($res))
+            $rows[] = $row;
+        mysql_free_result($res);
+        return ($rows) ? $rows : array();
+    }
+    
+    public function fetchOneArray($query)
+    {
+        $res = $this->query($query);
+        $row = mysql_fetch_array($res);
+        mysql_free_result($res);
+        return ($row) ? $row : array();
+    }
+}
+
+?>

core/drivers/database.odbc.php

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+<?php
+
+require_once 'core/drivers/db.php';
+
+/**
+ * Ïðîñòîé êëàññ äëÿ ðàáîòû ñ áàçàìè äàííûõ
+ */
+class Database_ODBC extends DB implements IDatabase
+{
+    public function connect(array $dsn)
+    {
+        $db = @odbc_connect($dsn['database'], $dsn['username'], $dsn['password'])
+                or die("Unable connect to database!");
+        return ($this->db = $db);
+    }
+    
+    public function close()
+    {
+        return odbc_close($this->db);
+    }
+    
+    public function query($query)
+    {
+        $res = odbc_exec($this->db, $query) 
+            or die("Error: wrong SQL query #$query#");
+        return $res;
+    }
+    
+    public function fetchAllArray($query)
+    {
+        $res = $this->query($query);
+        $to  = odbc_num_fields($res); 
+        while (odbc_fetch_row($res)) {
+            for ($i = 1; $i <= $to; $i++) { 
+                $row [odbc_field_name($res, $i)] = trim(odbc_result($res, $i));
+            }
+            $rows[] = $row;
+        }
+        return ($rows)? $rows : array();
+    }
+    
+    public function fetchOneArray($query)
+    {
+        $res = $this->query($query);
+        if (!odbc_fetch_row($res)) return array ();
+        $to = odbc_num_fields($res); 
+        for ($i = 1; $i <= $to; $i++) { 
+            $row [odbc_field_name($res, $i)] = trim(odbc_result($res, $i));
+        }
+        return $row; 
+    }
+}
+
+?>

core/drivers/database.pgsql.php

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+<?php
+
+require_once 'core/drivers/db.php';
+
+/**
+ * Ïðîñòîé êëàññ äëÿ ðàáîòû ñ áàçàìè äàííûõ
+ */
+class Database_PGSQL extends DB implements IDatabase
+{
+    public function connect(array $dsn)
+    {
+        if (isset($dsn['port'])) {
+            $port = "port={$dsn['port']}";
+        } else {
+            $port = "port=5432";
+        }
+        $str = "host={$dsn['hostspec']} $port dbname={$dsn['database']} user={$dsn['username']} password={$dsn['password']}";
+        $db  = @pg_connect($str)
+                or die("Unable connect to database!");
+
+        return ($this->db = $db);
+    }
+    
+    public function close()
+    {
+        return pg_close($this->db);
+    }
+    
+    public function query($query)
+    {
+        $res = pg_query($this->db, $query) 
+            or die("Error: wrong SQL query #$query#");
+        return $res;
+    }
+    
+    public function fetchAllArray($query, $type = PGSQL_ASSOC)
+    {
+        $res = $this->query($query);
+
+        $rows = array();
+        while ($row = pg_fetch_array($res, NULL, $type)) {
+            $rows[] = $this->clean($row);
+        }
+        pg_free_result($res);
+        return ($rows) ? $rows : array();
+    }
+
+    public function affectedRows() 
+    {
+        return pg_affected_rows($this->db);
+    }
+
+    private function clean($row)
+    {
+        foreach ($row as $key => $value) {
+            $row[$key] = trim($value);
+        }
+        return $row;
+    }
+    
+    public function fetchOneArray($query, $type = PGSQL_ASSOC)
+    {
+        $res = $this->query($query);
+        $row = pg_fetch_array($res, NULL, $type);
+        pg_free_result($res);
+        return ($row) ? $this->clean($row) : array();
+    }
+
+    function getNextId($seq)
+    {
+        $result = $this->fetchOneArray("SELECT nextval('$seq')");
+        return $result['nextval'];
+    }
+}

core/drivers/db.php

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+<?php
+
+/**
+ * Èíòåðôåéñ äðàéâåðà êëàññà áàç äàííûõ
+ */
+interface IDatabase
+{
+    public function connect(array $dsn);
+    public function close();
+    public function query($query);
+    public function fetchAllArray($query);
+    public function fetchOneArray($query);
+}
+
+abstract class DB implements IDatabase
+{
+    const limit = 1024;
+    protected $db;
+
+    public static function quote($x) 
+    {
+        return "'" . $x . "'";
+    }
+
+    private static function assign_quote($x, $y) 
+    {
+        return $x . "='" . $y . "'";
+    }
+
+    function insert($table, array $values)
+    {
+        return $this->query("INSERT INTO $table (" . implode(",", array_keys($values)) 
+        . ") VALUES (" . implode(",", array_map(array('self', 'quote'), array_values($values))) . ")");
+    }
+
+    function update($table, array $values, $cond)
+    {
+        return $this->query("UPDATE $table SET " . implode(",", 
+            array_map(array('self', 'assign_quote'), array_keys($values), array_values($values))) . " WHERE $cond");
+    }
+
+    function check_text($text)
+    {
+        if(strlen($text) > self::limit) $text = substr($text, 0, self::limit);
+        $text = htmlspecialchars(trim($text));
+        return $text;
+    }
+}
+
+?>