iOS Android图标生成器PHP

<?php
//修改为你想要的大小
//$sizes = array(16,29,32,36,48,50,57,58,72,76,96,100,114,120,128,144,152);
$sizes = array(72,50,29,58,57,114,512);
//原始文件名（512X512）
$filename = 'art.png';

list($width, $height) = getimagesize($filename);

foreach($sizes as $size){
	$new_width = $new_height = $size;

	$image_p = imagecreatetruecolor($new_width, $new_height);

	$alpha = imagecolorallocatealpha($image_p, 0, 0, 0, 127);
	imagefill($image_p, 0, 0, $alpha);
	
	$image = imagecreatefrompng($filename);
	imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
	imagesavealpha($image_p, true);
	
	//imagepng($image_p, 'icon-'.$size.'x'.$size.'.png');
	imagepng($image_p, 'icon'.$size.'.png');
}