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nocache_headers ›

Since2.0.0
已弃用n/a
nocache_headers ( 没有参数 )
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Set the headers to prevent caching for the different browsers.

Different browsers support different nocache headers, so several headers must be sent so that all of them get the point that no caching should occur.



源码

function nocache_headers() {
	if ( headers_sent() ) {
		return;
	}

	$headers = wp_get_nocache_headers();

	unset( $headers['Last-Modified'] );

	header_remove( 'Last-Modified' );

	foreach ( $headers as $name => $field_value ) {
		header( "{$name}: {$field_value}" );
	}
}