15 …rom_encoding = null): array|string|false { return p\Mbstring::mb_convert_encoding($string ?? '', (…
18 …function mb_decode_mimeheader(?string $string): string { return p\Mbstring::mb_decode_mimeheader((…  argument
21 …function mb_encode_mimeheader(?string $string, ?string $charset = null, ?string $transfer_encoding…  argument
24 …function mb_decode_numericentity(?string $string, array $map, ?string $encoding = null): string { …  argument
27 …function mb_encode_numericentity(?string $string, array $map, ?string $encoding = null, ?bool $hex…  argument
30 …function mb_convert_case(?string $string, ?int $mode, ?string $encoding = null): string { return p…  argument
48 …function mb_detect_encoding(?string $string, array|string|null $encodings = null, ?bool $strict = …  argument
54 …function mb_parse_str(?string $string, &$result = []): bool { parse_str((string) $string, $result)…  argument
57 …function mb_strlen(?string $string, ?string $encoding = null): int { return p\Mbstring::mb_strlen(…  argument
63 …function mb_strtolower(?string $string, ?string $encoding = null): string { return p\Mbstring::mb_…  argument
66 …function mb_strtoupper(?string $string, ?string $encoding = null): string { return p\Mbstring::mb_…  argument
72 …function mb_substr(?string $string, ?int $start, ?int $length = null, ?string $encoding = null): s…  argument
102 …function mb_strwidth(?string $string, ?string $encoding = null): int { return p\Mbstring::mb_strwi…  argument
108 …function mb_output_handler(?string $string, ?int $status): string { return p\Mbstring::mb_output_h…  argument
119 …function mb_ord(?string $string, ?string $encoding = null): int|false { return p\Mbstring::mb_ord(…  argument
125 …function mb_scrub(?string $string, ?string $encoding = null): string { $encoding ??= mb_internal_e…  argument
128 …function mb_str_split(?string $string, ?int $length = 1, ?string $encoding = null): array { return…  argument