gistfile1.php

<?php
function mysql_bind($sql, $params = array()) {
  $buffer = array();
  $tokens = preg_split('/(:[a-z0-9_]+)/', $sql, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
  foreach ($tokens as $token) {
    if (preg_match('/:[a-z0-9_]+/', $token)) {
      if (!array_key_exists($token, $params)) {
        trigger_error("Missing parameter '$token'");
      } elseif (!isset($params[$token])) {
        $buffer[] = "null";
      } else {
        $buffer[] = '"'. mysql_escape_string($params[$token]) . '"';
      }
    } else {
      $buffer[] = $token;
    }
  }
  return implode($buffer, "");
}