diff --git a/php/IF_ELSE.php b/php/IF_ELSE.php
new file mode 100644
index 0000000000000000000000000000000000000000..092ee47dd2cef367f35249e8ab0bed1a8bb4eb95
--- /dev/null
+++ b/php/IF_ELSE.php
@@ -0,0 +1,46 @@
+<?php
+/*
+    写个switch会死么
+    要起飞么
+*/
+if (!empty($_GPC["attribute"])) {
+    if ($_GPC["attribute"] == "new") {
+        $condition .= " AND `isnew`=1 ";
+    } else {
+        if ($_GPC["attribute"] == "hot") {
+            $condition .= " AND `ishot`=1 ";
+        } else {
+            if ($_GPC["attribute"] == "recommand") {
+                $condition .= " AND `isrecommand`=1 ";
+            } else {
+                if ($_GPC["attribute"] == "discount") {
+                    $condition .= " AND `isdiscount`=1 ";
+                } else {
+                    if ($_GPC["attribute"] == "time") {
+                        $condition .= " AND `istime`=1 ";
+                    } else {
+                        if ($_GPC["attribute"] == "sendfree") {
+                            $condition .= " AND `issendfree`=1 ";
+                        } else {
+                            if ($_GPC["attribute"] == "nodiscount") {
+                                $condition .= " AND `isdiscount`=1 ";
+                            } else {
+                                if ($_GPC["attribute"] == "discount2") {
+                                    $condition .= " AND `isdiscount`=1 ";
+                                } else {
+                                    if ($_GPC["attribute"] == "discount3") {
+                                        $condition .= " AND `isdiscount`=0 ";
+                                    } else {
+                                        if ($_GPC["attribute"] == "discount4") {
+                                            $condition .= " AND `isdiscount`=0 ";
+                                        } 
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file