94 lines
2.8 KiB
PHP
94 lines
2.8 KiB
PHP
<?php
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namespace SilverStripe\Tests\ORM\Utf8;
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use SilverStripe\Dev\TestOnly;
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use SilverStripe\ORM\DB;
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class Utf8TestHelper implements TestOnly
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{
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/**
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* @var string|null
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*/
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private $dbVersion = null;
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public function getUpdatedUtfCharsetForCurrentDB(string $charset): string
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{
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if ($charset !== 'utf8') {
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return $charset;
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}
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return $this->isMySqlGte80() || $this->isMariaDBGte106() ? 'utf8mb3' : 'utf8';
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}
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public function getUpdatedUtfCollationForCurrentDB(string $collation): string
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{
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if ($collation === 'utf8_general_ci') {
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return $this->isMariaDBGte106() || $this->isMySqlGte8030()
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? 'utf8mb3_general_ci' : 'utf8_general_ci';
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}
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if ($collation === 'utf8_unicode_520_ci') {
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return $this->isMariaDBGte106() || $this->isMySqlGte8030()
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? 'utf8mb3_unicode_520_ci' : 'utf8_unicode_520_ci';
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}
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return $collation;
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}
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/**
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* MySQL has used utf8 as an alias for utf8mb3
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* Beginning with MySQL 8.0.28, utf8mb3 is used
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* https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb3.html
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*/
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private function isMySqlGte80(): bool
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{
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// Example MySQL version: 8.0.29
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if (preg_match('#^([0-9]+)\.[0-9]+\.[0-9]+$#', $this->getDBVersion(), $m)) {
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return (int) $m[1] >= 8;
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}
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return false;
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}
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/**
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* Starting with 8.0.30, utf8mb3 is reported for the collation as well
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* https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-30.html
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*/
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private function isMySqlGte8030(): bool
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{
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// Example MySQL version: 8.0.29
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if (preg_match('#^([0-9]+)\.([0-9]+)\.([0-9]+)$#', $this->getDBVersion(), $m)) {
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if ((int) $m[1] >= 8) {
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if ((int) $m[2] === 0) {
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if ((int) $m[3] >= 30) {
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return true;
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}
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} else {
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Until MariaDB 10.5, utf8mb3 was an alias for utf8.
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* From MariaDB 10.6, utf8 is by default an alias for utf8mb3
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* https://mariadb.com/kb/en/unicode/
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*/
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private function isMariaDBGte106(): bool
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{
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// Example mariadb version: 5.5.5-10.6.8-mariadb-1:10.6.8+maria~focal
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if (preg_match('#([0-9]+)\.([0-9]+)\.[0-9]+-mariadb#', $this->getDBVersion(), $m)) {
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return (int) $m[1] >= 11 || ((int) $m[1] >= 10 && (int) $m[2] >= 6);
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}
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return false;
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}
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private function getDBVersion(): string
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{
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if (is_null($this->dbVersion)) {
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$this->dbVersion = strtolower(DB::get_conn()->getVersion());
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}
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return $this->dbVersion;
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}
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}
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