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<?php echo preg_replace( '#\[country ln=(.*?)\] | \[cn=(.*?)\](.*?)\[/cn\] | \[/country\] | ,\s*#Xxi', "(('$1')?'$1:<br />':'').(('$2')?'<img src=\"$2.png\" border=\"0\" alt=\"$3\" class=\"ui-icon-country\" />$3':'')", '[country ln=COUNTRIES][cn=us]USA[/cn], [cn=hu]Hungary[/cn], [cn=ru]Russia[/cn], [cn=gb]Great Britain[/cn][/country]' );
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
[country ln=COUNTRIES](('')?':<br />':'').(('us')?'<img src="us.png" border="0" alt="USA" class="ui-icon-country" />USA':'')(('')?':<br />':'').(('')?'<img src=".png" border="0" alt="" class="ui-icon-country" />':'')(('')?':<br />':'').(('hu')?'<img src="hu.png" border="0" alt="Hungary" class="ui-icon-country" />Hungary':'')(('')?':<br />':'').(('')?'<img src=".png" border="0" alt="" class="ui-icon-country" />':'')(('')?':<br />':'').(('ru')?'<img src="ru.png" border="0" alt="Russia" class="ui-icon-country" />Russia':'')(('')?':<br />':'').(('')?'<img src=".png" border="0" alt="" class="ui-icon-country" />':'')(('')?':<br />':'').(('gb')?'<img src="gb.png" border="0" alt="Great Britain" class="ui-icon-country" />Great Britain':'')(('')?':<br />':'').(('')?'<img src=".png" border="0" alt="" class="ui-icon-country" />':'')
preferences:
357.46 ms | 407 KiB | 460 Q