使用mongodb';s$和php格式
安装,php+mongodb 数据库应包含多个项目,其中“Title”同时包含“Apple”和“Orange”。我试图只获取同时包含“苹果”和“橙色”的项目使用mongodb';s$和php格式,php,mongodb,database,Php,Mongodb,Database,安装,php+mongodb 数据库应包含多个项目,其中“Title”同时包含“Apple”和“Orange”。我试图只获取同时包含“苹果”和“橙色”的项目 $regexOne = new MongoRegex( '/Apple/i' ); $regexTwo = new MongoRegex('/Orange/i'); $cursor = $collection->find( array( '$and' => array( array('Title' => $
$regexOne = new MongoRegex( '/Apple/i' );
$regexTwo = new MongoRegex('/Orange/i');
$cursor = $collection->find( array( '$and' => array( array('Title' => $regexOne), array('Title' => $regexTwo) ) ) );
将“$和”替换为“$或”的同一查询正常工作(或至少看起来正常),但尽管数据库中存在与这些条件匹配的数据,但这不会返回任何结果。重复这一点,第一步只是将Mongo的shell与PHP进行比较。这两者是等效的:
$ mongo
MongoDB shell version: 2.2.0-rc0
connecting to: test
> db.foo.drop()
true
> db.foo.insert({title:"apple"})
> db.foo.insert({title:"orange"})
> db.foo.insert({title:"apple orange"})
> db.foo.insert({title:"banana apple"})
> db.foo.insert({title:"banana plum"})
> db.foo.find({$and: [{title:/apple/i}, {title:/orange/i}]})
{ "_id" : ObjectId("501804c4e7dc9abd7b58cd83"), "title" : "apple orange" }
> db.foo.find({$or: [{title:/apple/i}, {title:/orange/i}]})
{ "_id" : ObjectId("501804bde7dc9abd7b58cd81"), "title" : "apple" }
{ "_id" : ObjectId("501804c0e7dc9abd7b58cd82"), "title" : "orange" }
{ "_id" : ObjectId("501804c4e7dc9abd7b58cd83"), "title" : "apple orange" }
{ "_id" : ObjectId("501804cce7dc9abd7b58cd84"), "title" : "banana apple" }
在PHP中(使用):
php>$c=(newmongo())->test->foo;
php>=迭代器数组($c->find(['$and'=>[['title'=>new MongoRegex('/apple/i')]),['title'=>new MongoRegex('/orange/i')]]))
排列(
“501804c4e7dc9abd7b58cd83”=>阵列(
“_id”=>{
$id=>“501804c4e7dc9abd7b58cd83”,
},
“标题”=>“苹果橙”,
),
)
php>=迭代器数组($c->find(['$or'=>[['title'=>new MongoRegex('/apple/i')],['title'=>new MongoRegex('/orange/i')]]))
排列(
“501804bde7dc9abd7b58cd81”=>阵列(
“_id”=>{
$id=>“501804bde7dc9abd7b58cd81”,
},
“标题”=>“苹果”,
),
“501804c0e7dc9abd7b58cd82”=>阵列(
“_id”=>{
$id=>“501804c0e7dc9abd7b58cd82”,
},
“标题”=>“橙色”,
),
“501804c4e7dc9abd7b58cd83”=>阵列(
“_id”=>{
$id=>“501804c4e7dc9abd7b58cd83”,
},
“标题”=>“苹果橙”,
),
“501804cce7dc9abd7b58cd84”=>阵列(
“_id”=>{
$id=>“501804cce7dc9abd7b58cd84”,
},
“标题”=>“香蕉苹果”,
),
)
如果直接在命令行而不是通过PHP对MongoDB运行此查询,会发生什么?您的标题暗示您认为这是一个PHP问题,但对我来说,您的问题听起来与PHP完全无关。因此,第一步是消除PHP作为变量的作用——如果您看到相同的行为直接与MongoDB对话,您就知道这是查询的问题,与PHP无关;如果您在命令行中得到了正确的结果,那么通过PHP驱动程序发送的内容就有点奇怪了。如果我的问题有误导性,很抱歉,我想我本可以更好地说明它(也许还添加了更多代码)。我成功地在mongo shell中提取了$和查询,但在将其转换为php mongo语法时遇到了问题。我已经找到了问题的原因,我使用的是mongodb的1.8版,现在已更新到最新版本,并且工作正常。
php> $c = (new Mongo())->test->foo;
php> =iterator_to_array($c->find(['$and' => [['title' => new MongoRegex('/apple/i')], ['title' => new MongoRegex('/orange/i')]]]))
array(
"501804c4e7dc9abd7b58cd83" => array(
"_id" => <object #10 of type MongoId> {
$id => "501804c4e7dc9abd7b58cd83",
},
"title" => "apple orange",
),
)
php> =iterator_to_array($c->find(['$or' => [['title' => new MongoRegex('/apple/i')], ['title' => new MongoRegex('/orange/i')]]]))
array(
"501804bde7dc9abd7b58cd81" => array(
"_id" => <object #11 of type MongoId> {
$id => "501804bde7dc9abd7b58cd81",
},
"title" => "apple",
),
"501804c0e7dc9abd7b58cd82" => array(
"_id" => <object #12 of type MongoId> {
$id => "501804c0e7dc9abd7b58cd82",
},
"title" => "orange",
),
"501804c4e7dc9abd7b58cd83" => array(
"_id" => <object #13 of type MongoId> {
$id => "501804c4e7dc9abd7b58cd83",
},
"title" => "apple orange",
),
"501804cce7dc9abd7b58cd84" => array(
"_id" => <object #14 of type MongoId> {
$id => "501804cce7dc9abd7b58cd84",
},
"title" => "banana apple",
),
)