random-web-tools/api/php/php_array_to_json.php

<?php

// Allow from any origin
if (isset($_SERVER['HTTP_ORIGIN'])) {
	// Decide if the origin in $_SERVER['HTTP_ORIGIN'] is one
	// you want to allow, and if so:
	header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
	header('Access-Control-Allow-Credentials: true');
	header('Access-Control-Max-Age: 86400');    // cache for 1 day
}

// Access-Control headers are received during OPTIONS requests
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {

	if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
		// may also be using PUT, PATCH, HEAD etc
		header("Access-Control-Allow-Methods: GET, POST, OPTIONS");

	if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
		header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");

	exit(0);
}

header('Content-type: text/plain');

$input = json_decode(file_get_contents('php://input'), true);

$data = $input['data'];
$minify_json = $input['minify_json'];

try {
	eval("\$data_array = {$data};");

	$json = @json_encode($data_array, $minify_json ? null : JSON_PRETTY_PRINT);

	echo json_encode([
		'data' => $json,
	]);
} catch (Throwable $exception) {
	echo json_encode([
		'data' => '',
	]);
}