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<?php // phpcs:disable WordPress.WP.AlternativeFunctions namespace AIOSEO\Plugin\Common\Utils; // Exit if accessed directly. if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Load our manifest to use throughout the app. * * @since 4.1.9 */ class Filesystem { /** * Holds the WordPress filesystem object. * * @since 4.1.9 * * @var \WP_Filesystem_Base */ public $fs = null; /** * Core class instance. * * @since 4.2.7 * * @var \AIOSEO\Plugin\Common\Core\Core */ private $core = null; /** * Class constructor. * * @since 4.1.9 * * @param \AIOSEO\Plugin\Common\Core\Core $core The AIOSEO Core class. * @param array $args Any arguments needed to construct the class with. */ public function __construct( $core, $args = [] ) { $this->core = $core; $this->init( $args ); } /** * Initialize the filesystem. * * @since 4.1.9 * * @param array $args An array of arguments for the WP_Filesystem * @return void */ public function init( $args = [] ) { require_once ABSPATH . 'wp-admin/includes/file.php'; WP_Filesystem( $args ); global $wp_filesystem; if ( is_object( $wp_filesystem ) ) { $this->fs = $wp_filesystem; } } /** * Wrapper method to check if a file exists. * * @since 4.1.9 * * @param string $filename The filename to check if it exists. * @return bool Returns true if the file or directory specified by filename exists; false otherwise. */ public function exists( $filename ) { if ( ! $this->isWpfsValid() ) { return @file_exists( $filename ); } return $this->fs->exists( $filename ); } /** * Retrieve the contents of a file. * * @since 4.1.9 * * @param string $filename The filename to get the contents for. * @return string|bool The function returns the read data or false on failure. */ public function getContents( $filename ) { if ( ! $this->exists( $filename ) ) { return false; } if ( ! $this->isWpfsValid() ) { return @file_get_contents( $filename ); } return $this->fs->get_contents( $filename ); } /** * Reads entire file into an array. * * @since 4.1.9 * * @param string $file Path to the file. * @return array|bool File contents in an array on success, false on failure. */ public function getContentsArray( $file ) { if ( ! $this->exists( $file ) ) { return false; } if ( ! $this->isWpfsValid() ) { return @file( $file ); } return $this->fs->get_contents_array( $file ); } /** * Sets the access and modification times of a file. * Note: If $file doesn't exist, it will be created. * * @since 4.1.9 * * @param string $file Path to file. * @param int $time Optional. Modified time to set for file. Default 0. * @param int $atime Optional. Access time to set for file. Default 0. * @return bool True on success, false on failure. */ public function touch( $file, $time = 0, $atime = 0 ) { if ( 0 === $time ) { $time = time(); } if ( 0 === $atime ) { $atime = time(); } if ( ! $this->isWpfsValid() ) { return @touch( $file, $time, $atime ); } return $this->fs->touch( $file, $time, $atime ); } /** * Writes a string to a file. * * @since 4.1.9 * * @param string $file Remote path to the file where to write the data. * @param string $contents The data to write. * @param int|false $mode Optional. The file permissions as octal number, usually 0644. Default false. * @return int|bool True on success, false on failure. */ public function putContents( $file, $contents, $mode = false ) { if ( ! $this->isWpfsValid() ) { return @file_put_contents( $file, $contents ); } return $this->fs->put_contents( $file, $contents, $mode ); } /** * Checks if a file or directory is writable. * * @since 4.1.9 * * @param string $file Path to file or directory. * @return bool Whether $file is writable. */ public function isWritable( $file ) { if ( ! $this->isWpfsValid() ) { return @is_writable( $file ); } return $this->fs->is_writable( $file ); } /** * Checks if a file is readable. * * @since 4.1.9 * * @param string $file Path to file. * @return bool Whether $file is readable. */ public function isReadable( $file ) { if ( ! $this->isWpfsValid() ) { return @is_readable( $file ); } return $this->fs->is_readable( $file ); } /** * Gets the file size (in bytes). * * @since 4.1.9 * * @param string $file Path to file. * @return int|bool Size of the file in bytes on success, false on failure. */ public function size( $file ) { if ( ! $this->isWpfsValid() ) { return @filesize( $file ); } return $this->fs->size( $file ); } /** * Checks if resource is a file. * * @since 4.1.9 * * @param string $file File path. * @return bool Whether $file is a file. */ public function isFile( $file ) { if ( ! $this->isWpfsValid() ) { return @is_file( $file ); } return $this->fs->is_file( $file ); } /** * Checks if resource is a directory. * * @since 4.1.9 * * @param string $path Directory path. * @return bool Whether $path is a directory. */ public function isDir( $path ) { if ( ! $this->isWpfsValid() ) { return @is_dir( $path ); } return $this->fs->is_dir( $path ); } /** * A simple check to ensure that the WP_Filesystem is valid. * * @since 4.1.9 * * @return bool True if valid, false if not. */ public function isWpfsValid() { if ( ! is_a( $this->fs, 'WP_Filesystem_Base' ) || ( // Errors is a WP_Error object. ! empty( $this->fs->errors ) && // We directly check if the errors array is empty for compatibility with WP < 5.1. ! empty( $this->fs->errors->errors ) ) ) { return false; } return true; } /** * In order to not have a conflict, we need to return a clone. * * @since 4.1.9 * * @return Filesystem The cloned Filesystem object. */ public function noConflict() { return clone $this; } }
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