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wp_start_cross_origin_isolation_output_buffer › WordPress Function

Since7.1.0
Deprecated7.2.0
› wp_start_cross_origin_isolation_output_buffer ( No parameters )
See:
Defined at:
Codex:

Starts an output buffer that sends the Document-Isolation-Policy header and adds crossorigin="anonymous" to cross-origin resources.

The attribute injection was dropped because isolate-and-credentialless loads cross-origin resources without it, and forcing CORS mode broke resources served without Access-Control-Allow-Origin. Only the header is sent now.


Related Functions: wp_set_up_cross_origin_isolation, wp_is_cross_origin_isolated_request, wp_strict_cross_origin_referrer, wp_add_crossorigin_attributes, wp_start_template_enhancement_output_buffer

Source 

function wp_start_cross_origin_isolation_output_buffer(): void {
	_deprecated_function( __FUNCTION__, '7.2.0', 'wp_send_document_isolation_policy_header()' );

	wp_send_document_isolation_policy_header();
}