INSERT文を作る
echo getInsertQueryByKey('system_table', array('name','gender'), array( array('jeff','male'), array('pola','female') ) );

function getInsertQueryByKey($tableName,$columns,$datas){

	//SQLite古いバージョン
	$w=array();

	$column = implode(',', $columns);
	$query="INSERT INTO {$tableName} ({$column}) SELECT ";
	$tmp=array();
	foreach ($columns as $index => $columnName) {
		$tmp[] = "'". $datas[0][$index] . "'" . ' AS ' . $columnName;
	}
	$query .= implode(', ', $tmp);
	$w[]=$query;

	foreach ($datas as $index => $data) {
		if($index<1)continue;
		$tmp=array();
		foreach ($columns as $index2 => $columnName) {
			$tmp[]=$data[$index2];
		}
		$w[]="'".implode("', '", $tmp)."'";
	}

	return implode(' UNION ALL SELECT ', $w).';';

	/* MySQL or SQLite(バージョン 3.7.11以降)
	$queryValues=array();
	foreach ($datas as $index => $value) {
		$values=array();
		foreach ($value as $index2 => $value2) {
			$values[]="'".$value2."'";
		}
		$queryValues[]='('.implode(',', $values).')';
	}

	$column=implode(',', $columns);
	$value=implode(',', $queryValues);
	$sql="INSERT INTO {$tableName} ({$column}) VALUES {$value};";
	return $sql;
	*/
}