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PHP按行读取文件时如何删除换行符

例子,PHP按行读取文件 去掉换行符”\n”:

  1. //第一种:

  2. $content=str_replace("\n","",$content);
  3. echo $content;

  4. //或者:

  5. $content=str_replace(array("\n","\r"),"",$content);

  6. //第二种:

  7. $content=preg_replace("/\s/","",$content);

  8. echo $content;

  9. //第三种:
  10. $content=trim($content);