122 lines
4.6 KiB
PHP
Executable File
122 lines
4.6 KiB
PHP
Executable File
<?php
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class db extends PDO {
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private $error;
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private $sql;
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private $bind;
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private $debugger=0;
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public $working="yes";
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public function __construct($dsn, $user="", $passwd="",$debug_level=0) {
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$options = array(
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PDO::ATTR_PERSISTENT => true,
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PDO::ATTR_EMULATE_PREPARES => false,
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
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);
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$this->debugger=$debug_level;
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try {
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parent::__construct($dsn, $user, $passwd, $options);
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} catch (PDOException $e) {
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$this->error = $e->getMessage();
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die("Could not connect to the DB");
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}
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}
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private function debug() {
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if(!$this->debugger) return;
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$error = array("Error" => $this->error);
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if(!empty($this->sql))
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$error["SQL Statement"] = $this->sql;
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if(!empty($this->bind))
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$error["Bind Parameters"] = trim(print_r($this->bind, true));
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$backtrace = debug_backtrace();
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if(!empty($backtrace)) {
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foreach($backtrace as $info) {
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if($info["file"] != __FILE__)
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$error["Backtrace"] = $info["file"] . " at line " . $info["line"];
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}
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}
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$msg = "";
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$msg .= "SQL Error\n" . str_repeat("-", 50);
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foreach($error as $key => $val)
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$msg .= "\n\n$key:\n$val";
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if($this->debugger){
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echo nl2br($msg);
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}
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}
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private function cleanup($bind,$sql="") {
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if(!is_array($bind)) {
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if(!empty($bind))
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$bind = array($bind);
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else
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$bind = array();
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}
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foreach($bind as $key=>$val){
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if(str_replace($key,"",$sql)==$sql) unset($bind[$key]);
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}
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return $bind;
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}
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public function single($sql,$bind="") {
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$this->sql = trim($sql);
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$this->bind = $this->cleanup($bind,$sql);
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$this->error = "";
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try {
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$pdostmt = $this->prepare($this->sql);
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if($pdostmt->execute($this->bind) !== false) {
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return $pdostmt->fetchColumn();
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}
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} catch (PDOException $e) {
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$this->error = $e->getMessage();
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$this->debug();
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return false;
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}
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}
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public function run($sql, $bind="") {
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$this->sql = trim($sql);
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$this->bind = $this->cleanup($bind,$sql);
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$this->error = "";
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try {
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$pdostmt = $this->prepare($this->sql);
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if($pdostmt->execute($this->bind) !== false) {
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if(preg_match("/^(" . implode("|", array("select", "describe", "pragma")) . ") /i", $this->sql))
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return $pdostmt->fetchAll(PDO::FETCH_ASSOC);
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elseif(preg_match("/^(" . implode("|", array("delete", "insert", "update")) . ") /i", $this->sql))
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return $pdostmt->rowCount();
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}
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} catch (PDOException $e) {
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$this->error = $e->getMessage();
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$this->debug();
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return false;
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}
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}
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public function row($sql,$bind=""){
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$query=$this->run($sql,$bind);
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if(count($query)==0) return false;
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if(count($query)>1) return $query;
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if(count($query)==1){
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foreach($query as $row) $result=$row;
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return $result;
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}
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}
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}
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?>
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