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<?php
namespace SMW\Utils;
/**
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class StatsFormatter {
/**
* Stats as plain string
*/
const FORMAT_PLAIN = 'plain';
/**
* Stats as JSON output
*/
const FORMAT_JSON = 'json';
/**
* Stats as HTML list output
*/
const FORMAT_HTML = 'html';
/**
* @since 2.5
*
* @param array $stats
* @param string|null $format
*
* @return string|array
*/
public static function format( array $stats, $format = null ) {
$output = '';
if ( $format === self::FORMAT_PLAIN ) {
foreach ( $stats as $key => $value ) {
$output .= '- ' . $key . "\n";
if ( !is_array( $value ) ) {
continue;
}
foreach ( $value as $k => $v ) {
$output .= ' - ' . $k . ': ' . $v . "\n";
}
}
}
if ( $format === self::FORMAT_HTML ) {
$output .= '<ul>';
foreach ( $stats as $key => $value ) {
$output .= '<li>' . $key . '<ul>';
if ( !is_array( $value ) ) {
continue;
}
foreach ( $value as $k => $v ) {
$output .= '<li>' . $k . ': ' . $v . "</li>";
}
$output .= '</ul></li>';
}
$output .= '</ul>';
}
if ( $format === self::FORMAT_JSON ) {
$output .= json_encode( $stats, JSON_PRETTY_PRINT );
}
if ( $format === null ) {
$output = $stats;
}
return $output;
}
/**
* @since 2.5
*
* @param array $stats
* @param string $separator
*
* @return array
*/
public static function getStatsFromFlatKey( array $stats, $separator = '.' ) {
$data = $stats;
$stats = [];
foreach ( $data as $key => $value ) {
if ( strpos( $key, $separator ) !== false ) {
$stats = array_merge_recursive( $stats, self::stringToArray( $separator, $key, $value ) );
} else {
$stats[$key] = $value;
}
}
return $stats;
}
// http://stackoverflow.com/questions/10123604/multstatsdIdimensional-array-from-string
private static function stringToArray( $separator, $path, $value ) {
$pos = strpos( $path, $separator );
if ( $pos === false ) {
return [ $path => $value ];
}
$key = substr( $path, 0, $pos );
$path = substr( $path, $pos + 1 );
$result = [
$key => self::stringToArray( $separator, $path, $value )
];
return $result;
}
}
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