138 lines
No EOL
2.9 KiB
PHP
138 lines
No EOL
2.9 KiB
PHP
<?php
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// MySQL database class
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//
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// For debugging, insert 'dbg(x);' anywhere in the program flow.
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// x = 1: display db success/failure following content
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// x = 2: display full queries following content
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// x = 3: display full queries using echo; which will mess up display
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// really bad but will return output in stubborn cases.
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if(! class_exists('dba')) {
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class dba {
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private $debug = 0;
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private $db;
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function __construct($server,$user,$pass,$db,$install = false) {
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$this->db = @new mysqli($server,$user,$pass,$db);
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if((mysqli_connect_errno()) && (! install))
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system_unavailable();
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}
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public function q($sql) {
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global $debug_text;
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if(! $this->db )
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return false;
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$result = @$this->db->query($sql);
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if($this->debug) {
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$mesg = '';
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if($this->db->mysqli->errno)
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$debug_text .= $this->db->mysqli->error . EOL;
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if($result === false)
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$mesg = 'false';
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elseif($result === true)
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$mesg = 'true';
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else
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$mesg = $result->num_rows.' results' . EOL;
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$str = 'SQL = ' . $sql . EOL . 'SQL returned ' . $mesg . EOL;
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switch($this->debug) {
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case 3:
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echo $str;
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break;
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default:
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$debug_text .= $str;
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break;
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}
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}
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if(($result === true) || ($result === false))
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return $result;
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$r = array();
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if($result->num_rows) {
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while($x = $result->fetch_array(MYSQL_ASSOC))
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$r[] = $x;
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$result->free_result();
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}
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if($this->debug == 2)
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$debug_text .= print_r($r, true). EOL;
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// $debug_text .= quoted_printable_encode(print_r($r, true). EOL);
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elseif($this->debug == 3)
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echo print_r($r, true) . EOL ;
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// echo quoted_printable_encode(print_r($r, true) . EOL) ;
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return($r);
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}
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public function dbg($dbg) {
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$this->debug = $dbg;
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}
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public function escape($str) {
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return @$this->db->real_escape_string($str);
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}
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function __destruct() {
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@$this->db->close();
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}
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}}
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// Procedural functions
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if(! function_exists('dbg')) {
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function dbg($state) {
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global $db;
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$db->dbg($state);
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}}
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if(! function_exists('dbesc')) {
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function dbesc($str) {
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global $db;
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return($db->escape($str));
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}}
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// Function: q($sql,$args);
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// Description: execute SQL query with printf style args.
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// Example: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
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// 'user', 1);
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if(! function_exists('q')) {
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function q($sql) {
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global $db;
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$args = func_get_args();
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unset($args[0]);
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$ret = $db->q(vsprintf($sql,$args));
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return $ret;
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}}
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// Caller is responsible for ensuring that any integer arguments to
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// dbesc_array are actually integers and not malformed strings containing
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// SQL injection vectors. All integer array elements should be specifically
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// cast to int to avoid trouble.
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if(! function_exists('dbesc_array_cb')) {
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function dbesc_array_cb(&$item, $key) {
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if(is_string($item))
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$item = dbesc($item);
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}}
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if(! function_exists('dbesc_array')) {
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function dbesc_array(&$a) {
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if(is_array($a) && count($a)) {
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array_walk($a,'dbesc_array_cb');
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}
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}}
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