converter json to var

json2varexport.php

<?php

// usage: echo '{json string}' | json2varexport.php
// @see https://gist.github.com/Bogdaan/ffa287f77568fcbb4cffa0082e954022

function varexport($expression, $return=FALSE) {
    $export = var_export($expression, TRUE);
    $export = preg_replace("/=> NULL/", '=> null', $export);
    $export = preg_replace("/^([ ]*)(.*)/m", '$1$1$2', $export);
    $array = preg_split("/\r\n|\n|\r/", $export);
    $array = preg_replace(["/\s*array\s\($/", "/\)(,)?$/", "/\s=>\s$/"], [NULL, ']$1', ' => ['], $array);
    $export = join(PHP_EOL, array_filter(["["] + $array));
    if ((bool)$return) return $export; else echo $export;
}

$array = json_decode(file_get_contents('php://stdin'), true);
varexport($array);