classUtf8

public function valid(string $bytes, int $maximumWidth = 4): bool

Rejects truncation, isolated continuation bytes, overlong forms, surrogates and out-of-range scalars.

Test cases 2

• Utf8Test::testValidReadsFourByteScalarsByDefault calls
• Utf8Test::testValidRecognizesScalarBoundariesAndWidthLimits calls

Called from 3

• method-call SqlFaker\MySql\Generation\Lexeme\CharsetLexemeGenerator::accepts() packages/sql-faker/src/MySql/Generation/Lexeme/CharsetLexemeGenerator.php:71
• method-call SqlFaker\MySql\Generation\Lexeme\CharsetLexemeGenerator::accepts() packages/sql-faker/src/MySql/Generation/Lexeme/CharsetLexemeGenerator.php:72
• method-call SqlFaker\MySql\Generation\Lexeme\CharsetLexemeGenerator::accepts() packages/sql-faker/src/MySql/Generation/Lexeme/CharsetLexemeGenerator.php:73

Calls 3

• function-call strlen line 17
• function-call ord line 18
• method-call Utf8::width() line 22

public function width(int<0, 255> $lead): int

Classifies a UTF-8 leading byte; zero denotes an invalid lead or a continuation byte.

Test cases 1

• Utf8Test::testWidthClassifiesLeadingByteBoundaries calls

Called from 1

• method-call SqlFaker\Generation\Value\Utf8::valid() packages/sql-faker/src/Generation/Value/Utf8.php:22