29 lines
554 B
PHP
Executable File
29 lines
554 B
PHP
Executable File
<?php
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declare(strict_types=1);
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namespace App\Interfaces;
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/**
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* Database migration interface
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*
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* Any migration file(object) must implement this interface. up() and down() are free,
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* you could do anything you want but do not throw any exceptions in them.
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*/
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interface MigrationInterface
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{
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/**
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* Migrate database schema
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*
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* @return int current version
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*/
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public function up(): int;
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/**
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* Rollback all changes caused by up()
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*
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* @return int previous version
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*/
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public function down(): int;
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}
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