Say you have plain text input. Within that text you have key words to look for. Say 'cost', 'location' and 'materials' you want to filter out the words that come after these key words so you can store them later in DB under columns with those key words.Say you have plain text input. Within that text
阅读背景：
在PHP中，从纯文本中过滤掉单词集的最佳方法是什么
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