解析PHP中常见的mongodb查询操作

<?php
// ?谖蛔执???
$querys = array("name"=>"shian");

// ?抵档褥抖嗌?
$querys = array("number"=>7);

// ?抵荡箪抖嗌?
$querys = array("number"=>array('$gt' => 5));

// ?抵荡箪兜褥抖嗌?
$querys = array("number"=>array('$gte' => 2));

// ?抵敌§抖嗌?
$querys = array("number"=>array('$lt' => 5));

// ?抵敌§兜褥抖嗌?
$querys = array("number"=>array('$lte' => 2));

// ?抵到殪抖嗌?
$querys = array("number"=>array('$gt' => 1,'$lt' => 9));

// ?抵挡坏褥赌持?
$querys = array("number"=>array('$ne' => 9));

// 使用js下查??l件
$js = "function(){
    return this.number == 2 && this.name == 'shian';
}";
$querys = array('$where'=>$js);

// ?谖坏褥赌男┲?
$querys = array("number"=>array('$in' => array(1,2,9)));

// ?谖徊坏褥赌男┲?
$querys = array("number"=>array('$nin' => array(1,2,9)));

// 使用正?查?
$querys = array("name" => new MongoRegex("/shi/$i"));

// 或
$querys = array('$or' => array(array('number'=>2),array('number'=>9)));
?>