php读取和保存base64编码的图片内容
1 <?php 2 header('Content-type:text/html;charset=utf-8'); 3 //读取图片文件,转换成base64编码格式 4 $image_file = './4296762_165319032930_2.jpg'; 5 $image_info = getimagesize($image_file); 6 $base64_image_content = "data:{$image_info['mime']};base64," . chunk_split(base64_encode(file_get_contents($image_file))); 7 8 //保存base64字符串为图片 9 //匹配出图片的格式 10 if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){ 11 $type = $result[2]; 12 $new_file = "./test.{$type}"; 13 if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){ 14 echo '新文件保存成功:', $new_file; 15 } 16 17 } 18 ?> 19 20 <img src="<?php echo $base64_image_content;?>" />