inject ie polyfils in css when browser is ie 8 or older

1 files changed, 6 insertions, 0 deletions

diff --git a/itjs.php b/itjs.php
index 6c8113d..83ea79a 100644
--- a/itjs.php
+++ b/itjs.php
@@ -59,6 +59,12 @@ else if (it::match('\.css', $file))
 			'([^/])\*(\w)' => '$1$2'),
 			$data
 		);
+	if ((($ie = it::match('MSIE (\d+)', $_SERVER['HTTP_USER_AGENT'])) && intval($ie) < 9) || EDC('iecompat'))
+		$data = it::replace(array(
+			'([;{]\s*)(background-size:[^;}])' => '\1behavior:url(/itjs/ie-backgroundsize-min.htc);\2',
+			'([;{]\s*)(border-radius:[^;}]*)' => '\1behavior:url(/itjs/ie-PIE.htc);\2'),
+			$data
+		);
 }
 else if (it::match('\.htc$', $file))
 {