From 9790a9b5832fbafc62f9ff833203b9be8d8e6522 Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Wed, 19 Jul 2017 12:47:32 +0800
Subject: [PATCH] MDL-59572 dml: Call error_log for AJAX/WS calls

---
 lib/dml/moodle_database.php | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/lib/dml/moodle_database.php b/lib/dml/moodle_database.php
index 82a98abb12c..3dd35869b15 100644
--- a/lib/dml/moodle_database.php
+++ b/lib/dml/moodle_database.php
@@ -594,19 +594,29 @@ abstract class moodle_database {
             return;
         }
         if (CLI_SCRIPT) {
-            echo "--------------------------------\n";
-            echo $sql."\n";
+            $separator = "--------------------------------\n";
+            echo $separator;
+            echo "{$sql}\n";
             if (!is_null($params)) {
-                echo "[".var_export($params, true)."]\n";
+                echo "[" . var_export($params, true) . "]\n";
             }
-            echo "--------------------------------\n";
+            echo $separator;
+        } else if (AJAX_SCRIPT) {
+            $separator = "--------------------------------";
+            error_log($separator);
+            error_log($sql);
+            if (!is_null($params)) {
+                error_log("[" . var_export($params, true) . "]");
+            }
+            error_log($separator);
         } else {
-            echo "<hr />\n";
-            echo s($sql)."\n";
+            $separator = "<hr />\n";
+            echo $separator;
+            echo s($sql) . "\n";
             if (!is_null($params)) {
-                echo "[".s(var_export($params, true))."]\n";
+                echo "[" . s(var_export($params, true)) . "]\n";
             }
-            echo "<hr />\n";
+            echo $separator;
         }
     }
 
@@ -623,6 +633,9 @@ abstract class moodle_database {
         if (CLI_SCRIPT) {
             echo $message;
             echo "--------------------------------\n";
+        } else if (AJAX_SCRIPT) {
+            error_log($message);
+            error_log("--------------------------------");
         } else {
             echo s($message);
             echo "<hr />\n";
-- 
2.36.1