How to display hexadecimal image data on the img tag of html in PHP

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A production database of SQLServer2008 of the client company has reached a huge size of 18G in just over a year. It turns out that the pictures in the system are directly stored in the database in the form of hexadecimal strings. of. It takes me a lot of time to display it on the html page using PHP.

<?php

// 从数据库读出来的：图片的十六进制形式字符串
$icon_hex = &#39;89504e470d0a1a0a0000000d494844520000001c00000012010300000072c92ca&#39;
    .&#39;700000006504c5445000000ffffffa5d99fdd0000003f49444154089963603e6f60c000266cce1&#39;
    .&#39;b1f8010cc07406220c2febcf10724e2ffe7ff7082f90303e76466062061ccc0603999d90048d81&#39;
    .&#39;b30d809f3400800c0921ea36f9b656d0000000049454e44ae426082&#39;;
$imgdata = base64_encode(pack(&#39;H*&#39;,$icon_hex));
echo &#39;<img  src="/static/imghwm/default1.png"  data-src="data:image/png;base64,&#39;. $imgdata .&#39;"  class="lazy"   / alt="How to display hexadecimal image data on the img tag of html in PHP" >&#39;;

?>

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