<?php

function bfa_image_size() {
	$meta = wp_get_attachment_metadata();
	echo $meta['width']. '&times;' . $meta['height'];
}


function bfa_image_meta( $args = '' ) {

	$defaults = array(
		'keys' => '',
		'before' => '',
		'after' => '',
		'item_before' => '',
		'item_after' => '',
		'item_sep' => ' &middot; ',
		'key_before' => '',
		'key_after' => ': ',
		'value_before' => '',
		'value_after' => '',
		'display_empty' => FALSE
	);

	$r = wp_parse_args( $args, $defaults );
	extract( $r, EXTR_SKIP );

	$meta = wp_get_attachment_metadata();

	$string_array = array();

	// All keys, alphabetically sorted, as provided by wp_get_attachment_metadata()
	if( $keys == '' ) {
		$array_keys = array_keys( $meta['image_meta'] );
	// Only keys specificed in parameter:
	} else {
		$array_keys = array_map( 'trim', explode( ',', $keys ) );
	}

	if ( is_array( $array_keys ) ) {
		foreach( $array_keys as $key ) {

			$value = $meta['image_meta'][$key];

			if( $display_empty === TRUE || ( $value != '' && $value != '0' ) ) {

				if( $key == 'created_timestamp' )
					// Transform timestamp into readable date, based on default WP date/time settings:
					$value = date( get_option('date_format') . ' - ' . get_option('time_format'), $value );

				// Prettify key
				$key = ucwords( str_replace( '_', ' ', $key ) );
				$key = $key == 'Iso' ? 'ISO' : $key;


				$key = str_replace(
					array(
						'Aperture',
						'Credit',
						'Camera',
						'Caption',
						'Created Timestamp',
						'Copyright',
						'Focal Length',
						'ISO',
						'Shutter Speed',
						'Title'
					),
					array(
						__( 'Aperture', 'montezuma' ),
						__( 'Credit', 'montezuma' ),
						__( 'Camera', 'montezuma' ),
						__( 'Caption', 'montezuma' ),
						__( 'Timestamp', 'montezuma' ),
						__( 'Copyright', 'montezuma' ),
						__( 'Focal Length', 'montezuma' ),
						__( 'ISO', 'montezuma' ),
						__( 'Shutter Speed', 'montezuma' ),
						__( 'Title', 'montezuma' )
					),
					$key
				);


				// Glue it together
				$string = $item_before
							. $key_before
							. $key
							. $key_after
							. $value_before
							. $value
							. $value_after
							. $item_after;

				$string_array[] = $string;
			}
		}
	}

	$final_string = '';

	// Glue together with item separator
	if( ! empty( $string_array ) )
		$final_string = implode( $item_sep, $string_array );

	// Wrap into parent container
	if( $final_string != '' )
		$final_string = $before . $final_string . $after;

	echo $final_string;
}