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13 gru 2013 · I have a txt file that I want to read backwards, currently I'm using this: $fh = fopen('myfile.txt','r'); while ($line = fgets($fh)) { echo $line."<br />"; } This outputs all the lines in my file. I want to read the lines from bottom to top. Is there a way to do it?
Returns a string of up to length - 1 bytes read from the file pointed to by stream. If there is no more data to read in the file pointer, then false is returned. If an error occurs, false is returned.
In order to read a text file from end->beginning e.g display the most recent contents of a log file first. I use the following. It basically just uses fseek to find the end of the file, ftell to find the byte count for a counter, then iterates backwards through the file using fgetc to test for the newline charater.
23 lip 2008 · if you're doing it line by line you could use file() instead of file_get_contents. That will read your entire file and put it into an array (one line per element) instead of a giant string like what file_get_contents does. Then you can array_reverse the array and loop through it.
5 lis 2010 · Unless specifically defining where and how to handle the string, simply use file_get_contents(). No need for long blocks of iteration and workarounds. For example, reading version from latestversion.txt in /client/ with a fallback using a ternary operator (condition ? do : else)
17 sty 2023 · When working with PHP applications, we often need to open a local file and read data from it or write data to it. In this article, we’ll briefly review the tools available for doing this. PHP...
15 lis 2022 · fgetc () – Read files by character. Open the file with fopen (), then call fgetc () as long as data is returned (a while loop is convenient here) and output the data. fgetc () returns a string containing a single character read from the file pointed to by stream. Returns false on EOF (end of file).
