PHP Extension _ PHP Tutorial

PHP extension. Download the corresponding php extension file php_mongo.dll, merge it into the php Extension folder phpext, and modify php. ini file, add the following lines: extensionphp_mongo.dllPHP to connect to the database $ co to download the corresponding php extension file php_mongo.dll, export it to the php Extension folder/php/ext, and modify php. the INI file adds the following lines:

Extension = php_cmd.dll

PHP operations

Connect to database

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

Select database and set

// Select the database blog. If no, create

$ Db = $ conn-> yyd;

// You can also enter $ db = $ conn-> selectDB ('yyd ');

// Set the result set (set: yyd_test)

$ Collection = $ db-> yyd_test;

// You can also write it as $ collection = $ db-> selectCollection ('yyd _ test ');

// Var_dump ($ collection );

Add data

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

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

Var_dump ($ flag );

Image

Image

Search for data

$ Arr = array ();

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

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

Echo"

";
    echo $value['_id'];
    echo '
name:';
    echo $value['name'];
    echo "
sex:";
    echo $value['sex'];
    echo "

";

}

Image

Conditional search

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

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

Modify data

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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"

";
    echo $value['_id'];
    echo '
name:';
    echo $value['name'];
    echo "
sex:";
    echo $value['sex'];
    echo "
email:";
    echo $value['email'];
    echo "

";

}

Delete data

Image

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

$ Collection-> remove ($ arr );

Var_dump ($ collection );

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Other common operations

// Close the connection

$ Conn-> close ();

// Delete a database

$ Conn-> dropDB ("yyd ");

// List all available databases

$ Dbs = $ conn-> listDBs ();

Export extension = php_mongo.dll PHP operation connection database $ co...