با سلام خدمت همه عزيزان
يك سؤال داشتم اگه فايل php با متن زير باشه را چطور ميشه باز كرد و ويرايش كرد
<?php /* WARNING: This file is protected by copyright law. To reverse engineer or decode this file is strictly prohibited. */
$o="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";eval(base64_decode("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"));return;?>
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اگر من را راهنمايي كنيد ممنون ميشم