http://underscorejs.org/#partial

partial.php

<?php 
/**
 * Data type to signify a placeholder.
 */
class Placeholder {}
class_alias('Placeholder', '_');

/**
 * Implements partial application with placeholder support.
 *
 * Similar to http://underscorejs.org/#partial.
 *
 * @param Function|callable $fn
 *   The function to apply to.
 * @param array $start
 *   The starting arguments to apply.
 *
 * @return callable
 *   Partially applied function.
 */
function partial(callable $fn, ...$start) {
  return function (...$args) use ($fn, $start) {
    return @$fn(...array_map(function ($v) use (&$args) {
      return $v instanceof _ ? array_shift($args) : $v;
    }, $start));
  };
}