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<?php
namespace Elementor\Core\Utils;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
class Version {
const PART_MAJOR_1 = 'major1';
const PART_MAJOR_2 = 'major2';
const PART_PATCH = 'patch';
const PART_STAGE = 'stage';
/**
* First number of a version 0.x.x
*
* @var string
*/
public $major1;
/**
* Second number of a version x.0.x
*
* @var string
*/
public $major2;
/**
* Third number of a version x.x.0
*
* @var string
*/
public $patch;
/**
* The stage of a version x.x.x-stage.
* e.g: x.x.x-dev1, x.x.x-beta3, x.x.x-rc
*
* @var string|null
*/
public $stage;
/**
* Version constructor.
*
* @param $major1
* @param $major2
* @param $patch
* @param $stage
*/
public function __construct( $major1, $major2, $patch, $stage = null ) {
$this->major1 = $major1;
$this->major2 = $major2;
$this->patch = $patch;
$this->stage = $stage;
}
/**
* Create Version instance.
*
* @param string $major1
* @param string $major2
* @param string $patch
* @param null $stage
*
* @return static
*/
public static function create( $major1 = '0', $major2 = '0', $patch = '0', $stage = null ) {
return new static( $major1, $major2, $patch, $stage );
}
/**
* Checks if the current version string is valid.
*
* @param $version
*
* @return bool
*/
public static function is_valid_version( $version ) {
return ! ! preg_match( '/^(\d+\.)?(\d+\.)?(\*|\d+)(-.+)?$/', $version );
}
/**
* Creates a Version instance from a string.
*
* @param $version
* @param bool $should_validate
*
* @return static
* @throws \Exception
*/
public static function create_from_string( $version, $should_validate = true ) {
if ( $should_validate && ! static::is_valid_version( $version ) ) {
throw new \Exception( "{$version} is an invalid version." );
}
$parts = explode( '.', $version );
$patch_parts = [];
$major1 = '0';
$major2 = '0';
$patch = '0';
$stage = null;
if ( isset( $parts[0] ) ) {
$major1 = $parts[0];
}
if ( isset( $parts[1] ) ) {
$major2 = $parts[1];
}
if ( isset( $parts[2] ) ) {
$patch_parts = explode( '-', $parts[2] );
$patch = $patch_parts[0];
}
if ( isset( $patch_parts[1] ) ) {
$stage = $patch_parts[1];
}
return static::create( $major1, $major2, $patch, $stage );
}
/**
* Compare the current version instance with another version.
*
* @param $operator
* @param $version
* @param string $part
*
* @return bool
* @throws \Exception
*/
public function compare( $operator, $version, $part = self::PART_STAGE ) {
if ( ! ( $version instanceof Version ) ) {
if ( ! static::is_valid_version( $version ) ) {
$version = '0.0.0';
}
$version = static::create_from_string( $version, false );
}
$current_version = clone $this;
$compare_version = clone $version;
if ( in_array( $part, [ self::PART_PATCH, self::PART_MAJOR_2, self::PART_MAJOR_1 ], true ) ) {
$current_version->stage = null;
$compare_version->stage = null;
}
if ( in_array( $part, [ self::PART_MAJOR_2, self::PART_MAJOR_1 ], true ) ) {
$current_version->patch = '0';
$compare_version->patch = '0';
}
if ( self::PART_MAJOR_1 === $part ) {
$current_version->major2 = '0';
$compare_version->major2 = '0';
}
return version_compare(
$current_version,
$compare_version,
$operator
);
}
/**
* Implode the version and return it as string.
*
* @return string
*/
public function __toString() {
$version = implode( '.', [ $this->major1, $this->major2, $this->patch ] );
if ( $this->stage ) {
$version .= '-' . $this->stage;
}
return $version;
}
}
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