fork(1) download
<?php

$data = [
	'image_name_1.jpg',
	'image_name_5.jpg',
	'image_name_2.jpg',
	'image_name_88.jpg',
	'image_name_11.jpg',
	'image_name_100.jpg',
	'image_name_001.jpg',	
];

sort($data, SORT_NATURAL);

var_export($data);
Success #stdin #stdout 0.02s 24236KB
stdin
Standard input is empty
stdout
array (
  0 => 'image_name_001.jpg',
  1 => 'image_name_1.jpg',
  2 => 'image_name_2.jpg',
  3 => 'image_name_5.jpg',
  4 => 'image_name_11.jpg',
  5 => 'image_name_88.jpg',
  6 => 'image_name_100.jpg',
)