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wp_print_speculation_rules()

wp_print_speculation_rules()

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Prints the speculation rules.

Description

For browsers that do not support speculation rules yet, the script[type="speculationrules"] tag will be ignored.

Source

function wp_print_speculation_rules(): void {
	$speculation_rules = wp_get_speculation_rules();
	if ( null === $speculation_rules ) {
		return;
	}

	wp_print_inline_script_tag(
		(string) wp_json_encode(
			$speculation_rules,
			JSON_HEX_TAG | JSON_UNESCAPED_SLASHES
		),
		array( 'type' => 'speculationrules' )
	);
}

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UsesDescription
wp_get_speculation_rules()wp-includes/speculative-loading.php

Returns the full speculation rules data based on the configuration.

wp_print_inline_script_tag()wp-includes/script-loader.php

Prints an inline script tag.

wp_json_encode()wp-includes/functions.php

Encodes a variable into JSON, with some confidence checks.

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Changelog

VersionDescription
6.8.0Introduced.

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