Sends the Document-Isolation-Policy header for cross-origin isolation.
Description
Uses an output buffer to add crossorigin=”anonymous” where needed.
Source
function wp_start_cross_origin_isolation_output_buffer(): void {
$chromium_version = wp_get_chromium_major_version();
if ( null === $chromium_version || $chromium_version < 137 ) {
return;
}
ob_start(
static function ( string $output ): string {
header( 'Document-Isolation-Policy: isolate-and-credentialless' );
return wp_add_crossorigin_attributes( $output );
}
);
}
Changelog
| Version | Description |
|---|---|
| 7.1.0 | Introduced. |
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