bp_media_settings_callback_document_allowed_size()

function bp_media_settings_callback_document_allowed_size() {
	$max_size = bp_core_upload_max_size();
	$max_size_mb = bp_document_format_size_units( $max_size, false, 'MB' );
	?>
	<input type="number"
		   name="bp_document_allowed_size"
		   id="bp_document_allowed_size"
		   class="regular-text"
		   min="1"
		   step="1"
		   max="<?php echo esc_attr( $max_size_mb ) ?>"
		   required
		   value="<?php echo esc_attr( bp_media_allowed_upload_document_size() ); ?>"
		   style="width: 70px;"
	/> <?php esc_html_e( 'MB', 'buddyboss' ); ?>
	<p class="description">
		<?php
		printf(
				'%1$s <strong>%2$s %3$s</strong>',
				__( 'Set a maximum file size for document uploads, in megabytes. Your server\'s maximum upload size is ', 'buddyboss' ),
				$max_size_mb,
				'MB.'
		);
		?>
	</p>
	<?php
}