Overview of output results of various parameters in PHPPDOfetch mode, pdofetch_PHP tutorial

A list of output results of various parameters in PHPPDOfetch mode, pdofetch. The output results of various parameters in PHPPDOfetch mode are at a glance. the fetch mode function of pdofetchPDO is too convenient, but it is too troublesome to try to generate the desired results every time, the output results of various parameters in the php pdo fetch mode are listed here.

The fetch mode function of PDO is too convenient, but it is too troublesome to try to generate the desired results every time. the possible combinations are listed here.

The code is as follows:

<? Php
$ DbAdapter = new PDO ("mysql: host = localhost; dbname = test", "root", "1234 ");
$ DbAdapter-> exec ("set names 'utf8 ';");

$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_ASSOC );

// Var_dump ($ data );
/*
Array (
Array (
'Id' => '1 ',
'Name' => 'HBO ',
'Method' => 'service ',
),
Array (
'Id' => '2 ',
'Name' => 'New this week ',
'Method' => 'movie ',
),
Array (
'Id' => '3 ',
'Name' => 'playing in replaying ',
'Method' => 'movie ',
),
)
*/



$ Data = $ dbAdapter-> query ("
SELECT name, method FROM category
")-> FetchAll (PDO: FETCH_COLUMN );

// Var_dump ($ data );
/*
Array (
'HBO ',
'New this week ',
'Hot ining ',
)
*/



$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_UNIQUE | PDO: FETCH_ASSOC );

// Var_dump ($ data );
/*
Array (
'1' => array (
'Name' => 'HBO ',
'Method' => 'service ',
),
'2' => array (
'Name' => 'New this week ',
'Method' => 'movie ',
),
'3' => array (
'Name' => 'playing in replaying ',
'Method' => 'movie ',
),
)
*/



$ Data = $ dbAdapter-> query ("
SELECT method, id, name FROM category
")-> FetchAll (PDO: FETCH_UNIQUE | PDO: FETCH_ASSOC );

// Var_dump ($ data );
/*
Array (
'Service' => array (
'Id' => '1 ',
'Name' => 'HBO ',
),
'Movie '=> array (
'Id' => '3 ',
'Name' => 'playing in replaying ',
),
)
*/



$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_UNIQUE | PDO: FETCH_COLUMN );

// Var_dump ($ data );
/*
Array (
'1' => 'HBO ',
'2' => 'New this week ',
'3' => 'hit in replaying ',
)
*/



$ Data = $ dbAdapter-> query ("
SELECT method, name, id FROM category
")-> FetchAll (PDO: FETCH_UNIQUE | PDO: FETCH_COLUMN );

// Var_dump ($ data );
/*
Array (
'Service' => 'HBO ',
'Movie '=> 'hot input ',
)
*/




$ Data = $ dbAdapter-> query ("
SELECT method, id, name FROM category
")-> FetchAll (PDO: FETCH_ASSOC | PDO: FETCH_GROUP );

// Var_dump ($ data );
/*
Array (
'Service' => array (
Array (
'Id' => '1'
'Name' => 'HBO'
),
)
'Movie '=> array (
Array (
'Id' => '2'
'Name' => 'New this week'
),
Array (
'Id' => '3'
'Name' => 'hit in replaying'
),
)
)
*/




$ Data = $ dbAdapter-> query ("
SELECT method, name, id FROM category
")-> FetchAll (PDO: FETCH_GROUP | PDO: FETCH_COLUMN );

// Var_dump ($ data );
/*
Array (
'Service' => array (
'HBO'
),
'Movie '=> array (
'New this week'
'Hot ining'
),
)
*/





$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_OBJ );

// Var_dump ($ data );
/*
Array (
StdClass {
Public $ id = '1 ';
Public $ name = 'HBO ';
Public $ method = 'service ';
},
StdClass {
Public $ id = '2 ';
Public $ name = 'new this week ';
Public $ method = 'movie ';
},
StdClass {
Public $ id = '3 ';
Public $ name = 'in replaying ';
Public $ method = 'movie ';
},
)
*/







Class Category_1 {}

$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_CLASS | PDO: FETCH_PROPS_LATE," Category_1 ");

// Var_dump ($ data );
/*
Array (
Category_1 {
Public $ id = '1 ';
Public $ name = 'HBO ';
Public $ method = 'service ';
},
Category_1 {
Public $ id = '2 ';
Public $ name = 'new this week ';
Public $ method = 'movie ';
},
Category_1 {
Public $ id = '3 ';
Public $ name = 'in replaying ';
Public $ method = 'movie ';
},
),
*/





Class Category_2 {
Public $ name;
Public $ method;

Public function _ construct (){}
Public function _ set ($ name, $ value ){}
}

$ Data = $ dbAdapter-> query ("
SELECT id, name, method FROM category
")-> FetchAll (PDO: FETCH_CLASS | PDO: FETCH_PROPS_LATE," Category_2 ");

// Var_dump ($ data );
/*
Array (
Category_2 {
Public $ name = 'HBO ';
Public $ method = 'service ';
},
Category_2 {
Public $ name = 'new this week ';
Public $ method = 'movie ';
},
Category_2 {
Public $ name = 'in replaying ';
Public $ method = 'movie ';
},
)
*/

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