Util.php
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<?php
/**
* Phinx
*
* (The MIT license)
* Copyright (c) 2015 Rob Morgan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated * documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* @package Phinx
* @subpackage Phinx\Migration
*/
namespace Phinx\Migration;
class Util
{
/**
* @var string
*/
const DATE_FORMAT = 'YmdHis';
/**
* Gets the current timestamp string, in UTC.
*
* @return string
*/
public static function getCurrentTimestamp()
{
$dt = new \DateTime('now', new \DateTimeZone('UTC'));
return $dt->format(static::DATE_FORMAT);
}
/**
* Turn migration names like 'CreateUserTable' into file names like
* '12345678901234_create_user_table.php' or 'LimitResourceNamesTo30Chars' into
* '12345678901234_limit_resource_names_to_30_chars.php'.
*
* @param string $className Class Name
* @return string
*/
public static function mapClassNameToFileName($className)
{
$arr = preg_split('/(?=[A-Z])/', $className);
unset($arr[0]); // remove the first element ('')
$fileName = static::getCurrentTimestamp() . '_' . strtolower(implode($arr, '_')) . '.php';
return $fileName;
}
/**
* Check if a migration class name is valid.
*
* Migration class names must be in CamelCase format.
* e.g: CreateUserTable or AddIndexToPostsTable.
*
* Single words are not allowed on their own.
*
* @param string $className Class Name
* @return boolean
*/
public static function isValidMigrationClassName($className)
{
return (bool) preg_match('/^([A-Z][a-z0-9]+)+$/', $className);
}
}