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Don't get in trouble, always use \n unless you want to open the file in a specific OS - if so, use the newline combination of that OS, and not the OS you're running PHP on (PHP_EOL). You can also use file_put_contents (): This is the best answer. more dynamic, and handles fopen (), fwrite (), fclose () by itself.
7 maj 2017 · You write the new content at the end of the reading, so it has to write at the end of file - the cursor is there after reading all the lines. Either you store all the content in php-variable and overwrite the file in the end, or you rewind the curser with fseek as mentioned by Robert Rozas comment.
Description. fopen ( string $filename, string $mode, bool $use_include_path = false, ? resource $context = null): resource | false. fopen () binds a named resource, specified by filename, to a stream. Parameters. filename.
PHP Write to File - fwrite () The fwrite () function is used to write to a file. The first parameter of fwrite () contains the name of the file to write to and the second parameter is the string to be written. The example below writes a couple of names into a new file called "newfile.txt":
fwrite. (PHP 4, PHP 5, PHP 7, PHP 8) fwrite — Binary-safe file write. Description ¶. fwrite (resource $stream, string $data, ? int $length = null): int | false. fwrite () writes the contents of data to the file stream pointed to by stream. Parameters ¶. stream. A file system pointer resource that is typically created using fopen (). data.
To write to a file in PHP, you can use the fopen () function in write mode (w) and the fwrite () function. The fwrite () function takes two arguments: the file pointer returned by fopen () and the data you want to write to the file. Here is an example that demonstrates how to write data to a file:
The fopen () function opens a file or URL. Note: When writing to a text file, be sure to use the correct line-ending character! Unix systems use \n, Windows systems use \r\n, and Macintosh systems use \r as the line ending character.
