问PHP正则表达式匹配图像URL

EN

<?php

$str = 'https://lh6.ggpht.com/hWXw7YRl9DpSMewd29xT9rvxcgnmGXeXSY9FTaPc3cbBCa-JO8yfwSynmD5C1DLglw=w124';

// Parse the URL before applying a regex. Only get the path part. Use substring to remove the leading slash
$path = substr( parse_url( $str, PHP_URL_PATH ), 1 );

$pattern = '/([^=]+)/';
$matches = array();

if ( preg_match( $pattern, $path, $matches ) ) {
    // Regex matched

    $id = $matches[1];

    // Outputs: string 'hWXw7YRl9DpSMewd29xT9rvxcgnmGXeXSY9FTaPc3cbBCa-JO8yfwSynmD5C1DLglw' (length=66)
    var_dump( $id );
}

?>

$GetImage = 'https://lh6.ggpht.com/hWXw7YRl9DpSMewd29xT9rvxcgnmGXeXSY9FTaPc3cbBCa-JO8yfwSynmD5C1DLglw=w124';
preg_match_all('#https://.*\.com/([\w-]+=\w\d{2,3})#iU', $GetImage, $match, PREG_SET_ORDER);
print_r($match);