WordPress at a glance

wp_upload_bits() WP 1.0

Create a file in the upload folder with given content.

If there is an error, then the key 'error' will exist with the error message. If success, then the key 'file' will have the unique file path, the 'url' key will have the link to the new file. and the 'error' key will be set to false.

This function will not move an uploaded file to the upload folder. It will create a new file with the content in $bits parameter. If you move the upload file, read the content of the uploaded file, and then you can give the filename and content to this function, which will add it to the upload folder.

The permissions will be set on the new file automatically by this function.

Hooks from function:
Return

Array.

Usage

wp_upload_bits( $name, $deprecated, $bits, $time );
$name(string) (required)
Filename.
$deprecated(null/string) (required)
Never used. Set to null.
$bits(mixed) (required)
File content
$time(string)
Time formatted in 'yyyy/mm'.
Default: null

Code of wp_upload_bits: wp-includes/functions.php VER 4.9.8

<?php
function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
	if ( !empty( $deprecated ) )
		_deprecated_argument( __FUNCTION__, '2.0.0' );

	if ( empty( $name ) )
		return array( 'error' => __( 'Empty filename' ) );

	$wp_filetype = wp_check_filetype( $name );
	if ( ! $wp_filetype['ext'] && ! current_user_can( 'unfiltered_upload' ) )
		return array( 'error' => __( 'Sorry, this file type is not permitted for security reasons.' ) );

	$upload = wp_upload_dir( $time );

	if ( $upload['error'] !== false )
		return $upload;

	/**
	 * Filters whether to treat the upload bits as an error.
	 *
	 * Passing a non-array to the filter will effectively short-circuit preparing
	 * the upload bits, returning that value instead.
	 *
	 * @since 3.0.0
	 *
	 * @param mixed $upload_bits_error An array of upload bits data, or a non-array error to return.
	 */
	$upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) );
	if ( !is_array( $upload_bits_error ) ) {
		$upload[ 'error' ] = $upload_bits_error;
		return $upload;
	}

	$filename = wp_unique_filename( $upload['path'], $name );

	$new_file = $upload['path'] . "/$filename";
	if ( ! wp_mkdir_p( dirname( $new_file ) ) ) {
		if ( 0 === strpos( $upload['basedir'], ABSPATH ) )
			$error_path = str_replace( ABSPATH, '', $upload['basedir'] ) . $upload['subdir'];
		else
			$error_path = basename( $upload['basedir'] ) . $upload['subdir'];

		$message = sprintf(
			/* translators: %s: directory path */
			__( 'Unable to create directory %s. Is its parent directory writable by the server?' ),
			$error_path
		);
		return array( 'error' => $message );
	}

	$ifp = @ fopen( $new_file, 'wb' );
	if ( ! $ifp )
		return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) );

	@fwrite( $ifp, $bits );
	fclose( $ifp );
	clearstatcache();

	// Set correct file permissions
	$stat = @ stat( dirname( $new_file ) );
	$perms = $stat['mode'] & 0007777;
	$perms = $perms & 0000666;
	@ chmod( $new_file, $perms );
	clearstatcache();

	// Compute the URL
	$url = $upload['url'] . "/$filename";

	/** This filter is documented in wp-admin/includes/file.php */
	return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $wp_filetype['type'], 'error' => false ), 'sideload' );
}

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