PHP extension_PHP tutorial-PHP Tutorial-php.cn

PHP extension_PHP tutorial

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Release： 2016-07-13 10:37:26

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Download the corresponding php extension file php_mongo.dll, copy it into the php extension folder /php/ext, modify the php.ini file, and add the following lines:

extension=php_mongo.dll

PHP operation

Connect to database

$conn = new Mongo("mongodb://localhost:27017//admin:admin");

Select database and collection

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//Select database blog, if not, create it

$db = $conn->yyd;

//It can also be written as: $db = $conn->selectDB('yyd');

//Specify the result set (set: yyd_test)

$collection = $db->yyd_test;

//It can also be written as: $collection = $db->selectCollection('yyd_test');

//var_dump($collection);

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New data

$post = array('name' => '22', 'sex' => '32');

$flag=($collection->insert($post));

var_dump($flag);

image

Find data

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$arr=array();

$cursor = $collection->find($arr);

foreach($cursor as $key => $value){

echo "

";<div>
</div> echo $value['_id'];<div>
</div> echo '<br>name:';<div>
</div> echo $value['name'];<div>
</div> echo "<br>sex:";<div>
</div> echo $value['sex'];<div>
</div> echo "

}

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Condition search

$arr=array("name"=>"22");

$cursor = $collection->find($arr);

Modify data

image

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$newdata = array('$set' => array("email" => "test@test.com"));

$collection->update(array("name" => "22"), $newdata);

var_dump($collection);

$arr=array("name"=>"22");

$cursor = $collection->find($arr);

foreach($cursor as $key => $value){

echo "

";<div>
</div> echo $value['_id'];<div>
</div> echo '<br>name:';<div>
</div> echo $value['name'];<div>
</div> echo "<br>sex:";<div>
</div> echo $value['sex'];<div>
</div> echo "
email:";
 echo $value['email'];
 echo "

}

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Delete data

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$arr=array("name"=>"22");

$collection->remove($arr);

var_dump($collection);

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Other common operations

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//Close the connection

$conn->close();