W3cubDocs

/WordPress

wp_json_encode( mixed $data, int $options, int $depth = 512 )

Encode a variable into JSON, with some sanity checks.

Parameters

$data

(mixed) (Required) Variable (usually an array or object) to encode as JSON.

$options

(int) (Optional) Options to be passed to json_encode(). Default 0.

$depth

(int) (Optional) Maximum depth to walk through $data. Must be greater than 0.

Default value: 512

Return

(string|false) The JSON encoded string, or false if it cannot be encoded.

Source

File: wp-includes/functions.php

function wp_json_encode( $data, $options = 0, $depth = 512 ) {
	$json = json_encode( $data, $options, $depth );

	// If json_encode() was successful, no need to do more sanity checking.
	if ( false !== $json ) {
		return $json;
	}

	try {
		$data = _wp_json_sanity_check( $data, $depth );
	} catch ( Exception $e ) {
		return false;
	}

	return json_encode( $data, $options, $depth );
}

Changelog

Version Description
5.3.0 No longer handles support for PHP < 5.6.
4.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_json_encode