WordPress at a glance

nocache_headers() WP 1.0

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.

Works based on: wp_get_nocache_headers()

No Hooks.

Return

Null. Nothing.

Usage

nocache_headers();

Notes

  • See: wp_get_nocache_headers()

Changelog

Since 2.0.0 Introduced.

Code of nocache headers: wp-includes/functions.php WP 5.4.1

<?php
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}" );
	}
}

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From tag: PHP headers (cookies)

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