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<?php |
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namespace SilverStripe\Tests\ORM\Utf8; |
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use SilverStripe\Core\Injector\Injectable; |
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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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use Injectable; |
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private string $dbVersion = ''; |
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public function getUpdatedUtfCharset(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 getUpdatedUtfCollation(string $collation): string |
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{ |
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if ($collation === 'utf8_general_ci') { |
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return $this->isMariaDBGte106() ? 'utf8mb3_general_ci' : 'utf8_general_ci'; |
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} |
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if ($collation === 'utf8_unicode_520_ci') { |
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return $this->isMariaDBGte106() ? 'utf8mb3_unicode_520_ci' : 'utf8_unicode_520_ci'; |
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} |
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return $collation; |
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} |
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/** |
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* MySQL has used utf8 as an alias for utf8mb3 |
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* Beginning with MySQL 8.0.28, utf8mb3 is used |
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* https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb3.html |
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*/ |
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private function isMySqlGte80(): bool |
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{ |
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if (preg_match('#^([0-9]+)\.[0-9]+\.[0-9]+$#', $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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* 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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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) $m[2] >= 6); |
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} |
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return false; |
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} |
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private function getDBVersion(): string |
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{ |
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if ($this->dbVersion === '') { |
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$this->dbVersion = DB::query('SELECT VERSION();')->first()['VERSION()']; |
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$this->dbVersion = strtolower($this->dbVersion); |
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} |
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return $this->dbVersion; |
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} |
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} |
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silverstripe /
silverstripe-framework
