PHP Lightweight database Operation class Medoo Add, delete, modify, query example _php tutorial

Medoo Introduction

Medoo is an ultra-lightweight PHP SQL database framework developed by Li Yan, founder of the social networking site Catfan and the Open source project Qatrix. Provides a simple, easy-to-learn, flexible API that improves the efficiency and performance of developing Web applications, and is less than 8KB in volume.

Characteristics

Lightweight, with only one file

Easy to learn, data structure at a glance

supports multiple SQL syntax and supports complex query conditions

Support multiple databases, including MySQL, MSSQL, SQLite, etc.

Security to prevent SQL injection

Free, based on the MIT Protocol

Sample code

Increase

Copy the Code code as follows:
$database = new Medoo ("My_database");

$last _user_id = $database->insert ("Account", [
"User_name" = "foo",
"Email" = "foo@bar.com",
"Age" = 25,
"Lang" = [
"EN",
"FR",
"JP",
"CN"
]
] );

Delete
Copy the Code code as follows:
$database = new Medoo ("My_database");

$database->delete ("Account", [
"and" = [
"Type" = "Business"
"AGE[<]" = 18
]
]);

Modify

Copy the Code code as follows:
$database = new Medoo ("My_database");

$database->update ("Account", [
"Type" = "User",

All-age plus one
"age[+]" = 1,

All level Subtract 5
"level[-]" = 5,

"Lang" = [
"EN",
"FR",
"JP",
"CN",
"De"
]
], [
"USER_ID[<]" = 1000
] );

Inquire

Copy the Code code as follows:
$database = new Medoo ("My_database");

$datas = $database->select ("Account", [
"User_name",
"Email"
], [
"USER_ID[>]" = 100
] );

$datas = Array (
[0] = = Array (
"User_name" = "foo",
"Email" = "foo@bar.com"
// ),
[1] = = Array (
"User_name" = "cat",
"Email" = "cat@dog.com"
// )
// )

foreach ($datas as $data) {
echo "user_name:". $data ["user_name"]. "-Email:". $data ["Email"]. "
";
}

Select All Columns
$datas = $database->select ("Account", "*");

Select a column
$datas = $database->select ("account", "user_name");

$datas = Array (
[0] = "foo",
[1] = "Cat"
// )

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