function el(arr) {
  let i = 0;
  return function gen() {
    if (i < arr.length) {
      let val = arr[i];
      i += 1;
      return val;
    }
  }
}
const myArray = [1, 2, 3];
const myGenerator = el(myArray);

console.log(myGenerator()); // 1
console.log(myGenerator()); // 2
console.log(myGenerator()); // 3
console.log(myGenerator()); // undefined

function el(arr) {
  let i = 0;
  return function gen() {
    if (i < arr.length) {
      let val = arr[i];
      i += 1;
      return val;
    }
  }
}
const myArray = [1, 2, 3];
const myGenerator = el(myArray);

console.log(myGenerator()); // 1
console.log(myGenerator()); // 2
console.log(myGenerator()); // 3
console.log(myGenerator()); // undefined

function el(arr) {
  let i = 0;
  return function gen() {
    if (i < arr.length) {
      let val = arr[i];
      i += 1;
      return val;
    }
  }
}
const myArray = [1, 2, 3];
const myGenerator = el(myArray);

console.log(myGenerator()); // 1
console.log(myGenerator()); // 2
console.log(myGenerator()); // 3
console.log(myGenerator()); // undefined

// js
#!/usr/bin/env php
<?php
foreach (glob('*.js') as $js) {
   echo "wp_enqueue_script('wptheme-{$js}', get_template_directory_uri() . '/js/{$js}', array('jquery'), '1.0', true);";
}

// Css
#!/usr/bin/env php
<?php
foreach (glob('*.css') as $css) {
   echo "wp_enqueue_style('wptheme-{$css}', get_template_directory_uri() . '/css/{$css}', null, '1.0');";
}

// js
#!/usr/bin/env php
<?php
foreach (glob('*.js') as $js) {
   echo "wp_enqueue_script('wptheme-{$js}', get_template_directory_uri() . '/js/{$js}', array('jquery'), '1.0', true);";
}

// Css
#!/usr/bin/env php
<?php
foreach (glob('*.css') as $css) {
   echo "wp_enqueue_style('wptheme-{$css}', get_template_directory_uri() . '/css/{$css}', null, '1.0');";
}