' . '{{ if_language:indonesia }} do_something {{ end_if }}' . '{{ if_language:indonesia }} do_something {{ end_if }}' . '...{{ if_language:indonesia }} do_something {{ end_if }}'; $language = 'indonesia'; $pattern = array(); $pattern[] = "/\{\{ if_language:$language \}\}(.*?)\{\{ elif_language:.*?\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:$language \}\}(.*?)\{\{ else \}\}.*?\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:$language \}\}(.*?)\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:.*?\{\{ elif_language:$language \}\}(.*?)\{\{ elif_language:.*?\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:.*?\{\{ elif_language:$language \}\}(.*?)\{\{ else \}\}.*?\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:.*?\{\{ elif_language:$language \}\}(.*?)\{\{ end_if }}/s"; $pattern[] = "/\{\{ if_language:.*?\{\{ else \}\}(.*?)\{\{ end_if }}/s"; $replacement = '$1'; foreach ($pattern as &$p) { $p = preg_replace("/^\//", "/(?![^<>]*>|(?:[^>]*<\/(?:[tT][eE][xX][tT][aA][rR][eE][aA]|[sS][eE][lL][eE][cC][tT])[^<>]*>))", $p); } $value = preg_replace($pattern, $replacement, $value); print($value); ?>