GitHub - donjajo/php-jsondb: A PHP Class that reads JSON file as a database. Use for sample DBs

php-jsondb

A PHP Class that reads JSON file as a database. Use for sample DBs.

Usage

Install package composer require jajo/jsondb

Initialize

<?php 
use Jajo\JSONDB;
$json_db = new JSONDB( __DIR__ ); // Or passing the directory of your json files with no trailing slash, default is the current directory. E.g.  new JSONDB( '/var/www/html/json_files' )

Inserting

Insert into your new JSON file. Using users.json as example here

NB: Columns inserted first will be the only allowed column on other inserts

<?php
$json_db->insert( 'users.json', 
	[ 
		'name' => 'Thomas', 
		'state' => 'Nigeria', 
		'age' => 22 
	]
);

Get

Get back data, just like MySQL in PHP

All columns:
<?php
$users = $json_db->select( '*' )
	->from( 'users.json' )
	->get();
print_r( $users );
Custom Columns:
<?php 
$users = $json_db->select( 'name, state'  )
	->from( 'users.json' )
	->get();
print_r( $users );
	
Where Statement:

This WHERE works as AND Operator at the moment or OR

<?php 
$users = $json_db->select( 'name, state'  )
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas' ] )
	->get();
print_r( $users );
	
// Defaults to Thomas OR Nigeria 
$users = $json_db->select( 'name, state'  )
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas', 'state' => 'Nigeria' ] )
	->get();
print_r( $users );  
	
// Now is THOMAS AND Nigeria 
$users = $json_db->select( 'name, state'  )
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas', 'state' => 'Nigeria' ], 'AND' )
	->get();
print_r( $users );  	
	
	
Order By:

Thanks to Tarun Shanker for this feature. By passing the order_by() method, the result is sorted with 2 arguments of the column name and sort method - JSONDB::ASC and JSONDB::DESC[1]

<?php 
$users = $json_db->select( 'name, state'  )
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas' ] )
	->order_by( 'age', JSONDB::ASC )
	->get();
print_r( $users );

Updating Row

You can also update same JSON file with these methods

<?php 
$json_db->update( [ 'name' => 'Oji', 'age' => 10 ] )
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas' ] )
	->trigger();
	

Without the where() method, it will update all rows

Deleting Row

<?php
$json_db->delete()
	->from( 'users.json' )
	->where( [ 'name' => 'Thomas' ] )
	->trigger();

Without the where() method, it will deletes all rows

Exporting to MySQL

You can export the JSON back to SQL file by using this method and providing an output

<?php 
$json_db->to_mysql( 'users.json', 'users.sql' );

Disable CREATE TABLE

<?php 
$json_db->to_mysql( 'users.json', 'users.sql', false );

Exporting to XML

Tarun Shanker[2] also provided a feature to export data to an XML file

<?php 
if( $json_db->to_xml( 'users.json', 'users.xml' ) ) {
	echo 'Saved!';
}

References

  1. ^ Tarun Shanker (in.linkedin.com)
  2. ^ Tarun Shanker (in.linkedin.com)
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