MySQL replacement

gistfile1.php

<?php
/*****************************| MYSQL CONNECTION FUNCTION |*****************************/
/**
  * Simple MySQL abstraction layer for the MySQLi absctration as a replacement
  *
  * @param resource $mysqli The MySQLi connection link for upgrade to MySQLi
  * @param string   $query  The MySQL query for prepaired statement
  * @param array    $v      The parameters to replace ? in $query. First element must be the type
  * @param integer  $o      Option for more debug infos [0]=no infos(default) [1]=adding debug infos
  *
  * @return array [for select]=associative array of table result  [for everything else]=associative array with affectedRows,info and insertID
  */
function connectDB($mysqli,$query,$v=array(),$o=0) {
	$results=array();

	if(substr_count($query,"?")!=strlen($v[0]) || strlen($v[0])!=((count($v)-1)>=0 ? (count($v)-1) : 0)) {
		return array('info'=>array('error'=>'Placeholders are unequal! placeholders:'.substr_count($query,"?").', replacements:'.strlen($v[0]).', param:'.(count($v)-1).' ('.$v[0].')')); //error handling here...
		exit();
	}

	$q=$query;
	for($i=1;$i<count($v);$i++) {
		$q=preg_replace("/\?/",(substr($v[0],($i-1),1)=="s" ? '"' : '').'tempplaceholder'.$i.(substr($v[0],($i-1),1)=="s" ? '"' : ''),$q,1);
		${"tempplaceholder".$i}=mysql_real_escape_string($v[$i]);
		$q=str_replace('tempplaceholder'.$i,${"tempplaceholder".$i},$q);
	}

	if(strtolower(substr($q,0,6))=="select") {
		$MySqlres=mysql_query($q);
		if($MySqlres) while($qRes=mysql_fetch_array($MySqlres)) {
			$results["res"][]=$qRes;
		}
	}
	else {
		$results["info"]["affectedRows"]=mysql_query($q);
		$results["info"]["insertID"]=mysql_insert_id();
	}


	if($o===1) { //adding debug infos
		$results["info"]["query"]=$q;
		$results["info"]["param"]=json_encode($v);
	}

	if(strtolower(substr($query,0,6))=="update" || strtolower(substr($query,0,6))=="delete") { //optimize at update and delete
		preg_match_all('/((update|delete) `(.*)` )/i',$query,$tables);
		foreach($tables[3] as $t) mysql_query('OPTIMIZE TABLE `'.$t.'`');
	}

	return $results;
}