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<?php $buffer="<img src='ggg' />"; $dom = new DOMDocument(); $dom->loadHTML($buffer); foreach($doc->getElementsByTagName('img') as $tag) { $src = $tag->getAttribute('src'); $tag->setAttribute('data-src', '/images/blank.gif'); $tag->setAttribute('data-original', $src); } $buffer=$dom->saveHTML();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $doc in /in/mTecU on line 7 Fatal error: Uncaught Error: Call to a member function getElementsByTagName() on null in /in/mTecU:7 Stack trace: #0 {main} thrown in /in/mTecU on line 7
Process exited with code 255.

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