_wp_is_valid_utf8_fallback( string $bytes ): bool

Parameters

$bytesstring

String which might contain text encoded as UTF-8.

Return

bool

Whether the provided bytes can decode as valid UTF-8.

Uses · 1

• _wp_scan_utf8()Finds spans of valid and invalid UTF-8 bytes in a given string.

Used by · 1

• wp_is_valid_utf8()Determines if a given byte string represents a valid UTF-8 encoding.

Source

View on Trac ↗View on GitHub ↗

258function _wp_is_valid_utf8_fallback( string $bytes ): bool {259	$bytes_length = strlen( $bytes );260	if ( 0 === $bytes_length ) {261		return true;262	}263 264	$next_byte_at   = 0;265	$invalid_length = 0;266 267	_wp_scan_utf8( $bytes, $next_byte_at, $invalid_length );268 269	return $bytes_length === $next_byte_at && 0 === $invalid_length;270}

History

Introduced in 6.9.0. Unchanged from 6.9.7 through 7.1.0.

1. 6.9.7
2. 7.0.4
3. 7.1.0

Signature, return type and hooks compared across 3 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/compat-utf8.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

Something wrong on this page? Report it and it gets fixed in the next regeneration.