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The API documentation for Image() explains it in more detail:

  • $file (string) Name of the file containing the image or a ‘@’ character followed by the image data string. To link an image without embedding it on the document, set an asterisk character before the URL

From example #9 - Image():

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// Example of Image from data stream ('PHP rules')
$imgdata = base64_decode('iVBORw0KGgoAAAANSUhEUgAAABwAAAASCAMAAAB/2U7WAAAABlBMVEUAAAD///+l2Z/dAAAASUlEQVR4XqWQUQoAIAxC2/0vXZDrEX4IJTRkb7lobNUStXsB0jIXIAMSsQnWlsV+wULF4Avk9fLq2r8a5HSE35Q3eO2XP1A1wQkZSgETvDtKdQAAAABJRU5ErkJggg==');
// The '@' character is used to indicate that follows an image data stream and not an image file name
$pdf->Image('@'.$imgdata);

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git rm – remove the file or directory on the git repo

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# -f, --force
# Override the up-to-date check.
# -n, --dry-run
# Don't actually remove any file(s). Instead, just show if they exist in the index and would otherwise be
# removed by the command.
# -r
# Allow recursive removal when a leading directory name is given.
$ git rm -r -n --cache protected/components/Util.php
$ git rm -r -n --cache protected/*
$ git rm -r -n --cache protected
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前言

   从大学接触计算机，也能算一个10年的码农了，之前有个blog，但是好久没有更新了，也可能是太忙，也可能是懒了，什么东西都往Evernote里一放就完事了，没有很好的整理，最近突然想搭建一个自己的blog，找遍全世界，终于找打自己喜爱的，没错，就是hexo，简约清新，写法符合自己的习惯，闲聊至此。
   重新写blog的目的，一个是为了更好的总结自己的学习足迹，锻炼自己的表达，更重要的还能认识大家，一起学习交流。欢迎拍砖~~~

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