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Filesystem Functions

basename chgrp chmod chown clearstatcache copy dirname disk_free_space disk_total_space diskfreespace fclose fdatasync feof fflush fgetc fgetcsv fgets file file_exists file_get_contents file_put_contents fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype flock fnmatch fopen fpassthru fputcsv fputs fread fscanf fseek fstat fsync ftell ftruncate fwrite glob is_dir is_executable is_file is_link is_readable is_uploaded_file is_writable is_writeable lchgrp lchown link linkinfo lstat mkdir move_uploaded_file parse_ini_file parse_ini_string pathinfo pclose popen readfile readlink realpath realpath_cache_get realpath_cache_size rename rewind rmdir set_file_buffer stat symlink tempnam tmpfile touch umask unlink

fseek

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Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Seeks on a file pointer
<?php fseek(resource $stream, int $offset, int $whence = SEEK_SET): int
<?php     public function ensuring_streams_are_rewound_when_writing(): void

    {

        $writeStream = stream_with_contents('contents');

        fseek($writeStream, 4);



        $this->filesystem->writeStream('path.txt', $writeStream);

        $contents = $this->filesystem->read('path.txt');
src/FilesystemTest.php