IHF: Moved backtrace_as_string and minimized_backtrace_as_string helpers added.

Author: dmitry-ivanov

src/format.php

@@ -37,3 +37,34 @@ function format_bytes($bytes, $precision = 2)
         return round($bytes, $precision) . ' ' . $units[$pow];
     }
 }
+
+if (!function_exists('backtrace_as_string')) {
+    function backtrace_as_string()
+    {
+        ob_start();
+
+        debug_print_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+        $backtrace = ob_get_contents();
+
+        ob_end_clean();
+
+        return $backtrace;
+    }
+}
+
+if (!function_exists('minimized_backtrace_as_string')) {
+    function minimized_backtrace_as_string()
+    {
+        $minimized = [];
+
+        $backtrace = backtrace_as_string();
+        $backtrace = explode("\n", $backtrace);
+        foreach ($backtrace as $item) {
+            if (preg_match('/(#\d+) .*? called at \[(.*?)\]/', $item, $matches)) {
+                $minimized[] = $matches[1] . ' ' . $matches[2];
+            }
+        }
+
+        return implode("\n", $minimized);
+    }
+}