158 lines
3.9 KiB
PHP
158 lines
3.9 KiB
PHP
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<?php
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namespace Safe;
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use Safe\Exceptions\DirException;
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/**
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* Changes PHP's current directory to
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* directory.
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*
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* @param string $directory The new current directory
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* @throws DirException
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*
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*/
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function chdir(string $directory): void
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{
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error_clear_last();
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$result = \chdir($directory);
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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}
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/**
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* Changes the root directory of the current process to
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* directory, and changes the current
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* working directory to "/".
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*
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* This function is only available to GNU and BSD systems, and
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* only when using the CLI, CGI or Embed SAPI. Also, this function
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* requires root privileges.
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*
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* @param string $directory The path to change the root directory to.
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* @throws DirException
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*
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*/
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function chroot(string $directory): void
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{
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error_clear_last();
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$result = \chroot($directory);
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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}
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/**
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* Gets the current working directory.
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*
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* @return string Returns the current working directory on success.
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*
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* On some Unix variants, getcwd will return
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* FALSE if any one of the parent directories does not have the
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* readable or search mode set, even if the current directory
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* does. See chmod for more information on
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* modes and permissions.
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* @throws DirException
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*
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*/
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function getcwd(): string
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{
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error_clear_last();
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$result = \getcwd();
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Opens up a directory handle to be used in subsequent
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* closedir, readdir, and
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* rewinddir calls.
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*
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* @param string $path The directory path that is to be opened
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* @param resource $context For a description of the context parameter,
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* refer to the streams section of
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* the manual.
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* @return resource Returns a directory handle resource on success
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* @throws DirException
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*
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*/
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function opendir(string $path, $context = null)
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{
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error_clear_last();
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if ($context !== null) {
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$result = \opendir($path, $context);
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} else {
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$result = \opendir($path);
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}
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Resets the directory stream indicated by
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* dir_handle to the beginning of the
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* directory.
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*
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* @param resource $dir_handle The directory handle resource previously opened
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* with opendir. If the directory handle is
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* not specified, the last link opened by opendir
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* is assumed.
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* @throws DirException
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*
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*/
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function rewinddir($dir_handle = null): void
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{
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error_clear_last();
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if ($dir_handle !== null) {
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$result = \rewinddir($dir_handle);
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} else {
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$result = \rewinddir();
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}
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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}
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/**
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* Returns an array of files and directories from the
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* directory.
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*
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* @param string $directory The directory that will be scanned.
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* @param int $sorting_order By default, the sorted order is alphabetical in ascending order. If
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* the optional sorting_order is set to
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* SCANDIR_SORT_DESCENDING, then the sort order is
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* alphabetical in descending order. If it is set to
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* SCANDIR_SORT_NONE then the result is unsorted.
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* @param resource $context For a description of the context parameter,
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* refer to the streams section of
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* the manual.
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* @return array Returns an array of filenames on success. If directory is not a directory, then
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* boolean FALSE is returned, and an error of level
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* E_WARNING is generated.
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* @throws DirException
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*
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*/
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function scandir(string $directory, int $sorting_order = SCANDIR_SORT_ASCENDING, $context = null): array
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{
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error_clear_last();
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if ($context !== null) {
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$result = \scandir($directory, $sorting_order, $context);
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} else {
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$result = \scandir($directory, $sorting_order);
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}
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if ($result === false) {
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throw DirException::createFromPhpError();
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}
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return $result;
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}
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