Convert a JSON object to a string representation of a PHP array.

jsonObjToPhpArray.js

var _ = require('lodash');

/**
 * Renders input value as a string representation of a php variable value.
 *
 * @param {int|boolean|string} value - The value to render.
 *
 * @returns {string} A string representing a php variable value.
 */
renderPhpVar = function(value) {
  var rendered;

  if (_.isFinite(value)) {
    rendered = value;
  }
  else if (_.isBoolean(value)) {
    rendered = value ? 'TRUE' : 'FALSE';
  }
  else {
    rendered = "'" + value + "'";
  }

  return rendered;
};

/**
 * Converts a json object to a string representation of a php array.
 *
 * @param {object} object - The json object to convert.
 * @param {int} depth - Sets the initial indentation depth of the output.
 * @param {array} lines - Static cache.
 *
 * @returns {string} A string representing a php array.
 */
jsonObjToPhpArray = function (object, depth, lines) {
  if (depth == null) {
    depth = 0;
  }

  if (lines == null) {
    lines = [];
  }

  _.forEach(object, function(value, key) {
    // If value is an object, declare value as a php array, set depth,
    // and recurse.
    if (_.isObject(value)) {
      lines.push(_.repeat('  ', depth) + "'" + key + "' => array(");
      depth++;
      jsonObjToPhpArray(value, depth, lines);
      depth--;
      lines.push(_.repeat('  ', depth) + '),');
    }
    // Otherwise render as key => value.
    else {
      lines.push(_.repeat('  ', depth) + "'" + key + "' => " + renderPhpVar(value) + ',');
    }
  });

  return lines.join('\n');
};