86 lines
1.9 KiB
PHP
86 lines
1.9 KiB
PHP
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<?php
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/**
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* Class MC4WP_DB_Upgrader
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*
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* This class takes care of loading migration files from the specified migrations directory.
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* Migration files should only use default WP functions and NOT use code which might not be there in the future.
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*
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* @ignore
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*/
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class MC4WP_Upgrade_Routines
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{
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/**
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* @var float
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*/
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protected $version_from = 0;
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/**
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* @var float
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*/
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protected $version_to = 0;
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/**
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* @var string
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*/
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protected $migrations_dir = '';
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/**
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* @param float $from
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* @param float $to
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*/
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public function __construct($from, $to, $migrations_dir)
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{
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$this->version_from = $from;
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$this->version_to = $to;
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$this->migrations_dir = $migrations_dir;
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}
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/**
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* Run the various upgrade routines, all the way up to the latest version
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*/
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public function run()
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{
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$migrations = $this->find_migrations();
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// run in sub-function for scope
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array_map(array( $this, 'run_migration' ), $migrations);
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}
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/**
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* @return array
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*/
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public function find_migrations()
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{
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$files = glob(rtrim($this->migrations_dir, '/') . '/*.php');
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$migrations = array();
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// return empty array when glob returns non-array value.
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if (! is_array($files)) {
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return $migrations;
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}
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foreach ($files as $file) {
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$migration = basename($file);
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$parts = explode('-', $migration);
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$version = $parts[0];
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if (version_compare($this->version_from, $version, '<')) {
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$migrations[] = $file;
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}
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}
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return $migrations;
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}
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/**
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* Include a migration file and runs it.
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*
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* @param string $file
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*/
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protected function run_migration($file)
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{
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include $file;
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}
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}
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