From 4e953a31c769ba9b97ed59cd45d9b4223ef3c3e7 Mon Sep 17 00:00:00 2001
From: Herb Miller <herb@bobbingwide.com>
Date: Fri, 22 Nov 2019 10:18:45 +0000
Subject: [PATCH] Fixes #76 - Add hex dump support for trace output wth helper
 function bw_trace_hexdump

---
 includes/bwtrace.php    |  19 +++++-
 libs/hexdump.php        |  66 +++++++++++++++++++++
 oik-bwtrace.php         |   2 +-
 phpunit.json            | 124 ++++++++++++++++++++++------------------
 tests/test-issue-76.php |  30 ++++++++++
 5 files changed, 184 insertions(+), 57 deletions(-)
 create mode 100644 libs/hexdump.php
 create mode 100644 tests/test-issue-76.php

diff --git a/includes/bwtrace.php b/includes/bwtrace.php
index d9933d2..839c6b5 100644
--- a/includes/bwtrace.php
+++ b/includes/bwtrace.php
@@ -1037,7 +1037,24 @@ function bw_list_trace_levels() {
 function bw_trace_trace_startup() {
 	global $bw_trace;
 	$bw_trace->trace_startup();
-}    
+}
+
+/**
+ * Returns a hexdump version of the string
+ *
+ * @param string $string
+ * @return string
+ */
+function bw_trace_hexdump( $string ) {
+	if ( !function_exists( "oik_hexdump") ) {
+		oik_require_lib( 'hexdump' );
+	}
+	if ( function_exists( "oik_hexdump" ) ) {
+		$string = oik_hexdump( $string );
+	}
+	return $string;
+
+}
    
    
 }
diff --git a/libs/hexdump.php b/libs/hexdump.php
new file mode 100644
index 0000000..238e0f5
--- /dev/null
+++ b/libs/hexdump.php
@@ -0,0 +1,66 @@
+<?php
+if ( !defined( "HEXDUMP_INCLUDED" ) ) {
+	define( "HEXDUMP_INCLUDED", "1.0.0" );
+
+	/**
+	 * Hexadecimal dumping functions
+	 *
+	 * Library: hexdump
+	 * Provides: hexdump
+	 * Depends:
+	 *
+	 * Helps you to find those pesky control characters
+	 *
+	 * I first wrote this code in PHP in Sep 2013. It echoed the output.
+	 * Now I need it to be returned as a string, so rewriting as oik_hexdump().
+	 * Quite a few people look for something similar. https://stackoverflow.com/questions/1057572/how-can-i-get-a-hex-dump-of-a-string-in-php
+	 *
+	 */
+
+	/**
+	 * Returns the hex dump of the string
+	 */
+	function oik_hexdump( $string ) {
+		$hexdump = null;
+		$count   = strlen( $string );
+		$hexdump .= $count;
+		$hexdump .= PHP_EOL;
+		$lineo   = "";
+		$hexo    = "";
+		for ( $i = 1; $i <= $count; $i ++ ) {
+			$ch = $string[ $i - 1 ];
+			if ( ctype_cntrl( $ch ) ) {
+				$lineo .= ".";
+			} else {
+				$lineo .= $ch;
+			}
+			$hexo .= bin2hex( $ch );
+			$hexo .= " ";
+			if ( 0 == $i % 20 ) {
+				$hexdump .= $lineo . " " . $hexo . PHP_EOL;
+				$lineo   = "";
+				$hexo    = "";
+			}
+		}
+		$hexdump .= substr( $lineo . str_repeat( ".", 20 ), 0, 20 );
+		$hexdump .= " ";
+		$hexdump .= $hexo;
+		$hexdump .= PHP_EOL;
+
+		return $hexdump;
+	}
+
+	/**
+	 * Echoes the hex dump of a string
+	 * @param $string
+	 */
+	function hexdump( $string ) {
+		echo oik_hexdump( $string );
+	}
+
+}
+
+
+
+
+
diff --git a/oik-bwtrace.php b/oik-bwtrace.php
index 1afa791..bc3e49e 100644
--- a/oik-bwtrace.php
+++ b/oik-bwtrace.php
@@ -178,7 +178,7 @@ function oik_bwtrace_plugins_loaded() {
  */
 function oik_bwtrace_query_libs( $libraries ) {
 	$lib_args = array();
-	$libs = array( "bobbfunc" => null, "bobbforms" => "bobbfunc", "oik-admin" => "bobbforms" );
+	$libs = array( "bobbfunc" => null, "bobbforms" => "bobbfunc", "oik-admin" => "bobbforms", 'hexdump' => null );
 	$versions = array( "bobbfunc" => "3.2.0", "bobbforms" => "3.2.0", "oik-admin" => "3.2.0" );
 	foreach ( $libs as $library => $depends ) {
 		$lib_args['library'] = $library;
diff --git a/phpunit.json b/phpunit.json
index 183477d..460a0c4 100644
--- a/phpunit.json
+++ b/phpunit.json
@@ -1,69 +1,83 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <testsuites>
-  <testsuite name="oik-bwtrace" tests="44" assertions="238" errors="0" failures="0" skipped="0" time="1.396130">
-    <testsuite name="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" tests="3" assertions="5" errors="0" failures="0" skipped="0" time="0.223085">
-      <testcase name="test_constant_bw_trace_on" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="16" assertions="1" time="0.066862"/>
-      <testcase name="test_bw_trace_plugin_startup_tracing_on" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="249" assertions="3" time="0.111594"/>
-      <testcase name="test_bw_trace_plugin_startup_tracing_off" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="293" assertions="1" time="0.044629"/>
+  <testsuite name="oik-bwtrace" tests="50" assertions="244" errors="0" failures="0" skipped="0" time="1.679405">
+    <testsuite name="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" tests="3" assertions="5" errors="0" failures="0" skipped="0" time="0.184742">
+      <testcase name="test_constant_bw_trace_on" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="16" assertions="1" time="0.073177"/>
+      <testcase name="test_bw_trace_plugin_startup_tracing_on" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="249" assertions="3" time="0.063150"/>
+      <testcase name="test_bw_trace_plugin_startup_tracing_off" class="Tests_oik_bwtrace" classname="Tests_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test--oik-bwtrace.php" line="293" assertions="1" time="0.048415"/>
     </testsuite>
-    <testsuite name="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" tests="10" assertions="128" errors="0" failures="0" skipped="0" time="0.515224">
-      <testcase name="test_bw_trace_options_init" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="19" assertions="1" time="0.011361"/>
-      <testcase name="test_bw_action_options_init" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="28" assertions="1" time="0.021494"/>
-      <testcase name="test_bw_trace_options_add_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="34" assertions="9" time="0.058505"/>
-      <testcase name="test_bw_trace_options_add_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="45" assertions="17" time="0.091722"/>
-      <testcase name="test_bw_action_options_add_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="57" assertions="9" time="0.022421"/>
-      <testcase name="test_bw_action_options_add_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="68" assertions="17" time="0.068276"/>
-      <testcase name="test_bw_action_options_do_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="80" assertions="14" time="0.042989"/>
-      <testcase name="test_bw_action_options_do_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="102" assertions="22" time="0.069571"/>
-      <testcase name="test_bw_trace_options_do_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="159" assertions="15" time="0.049382"/>
-      <testcase name="test_bw_trace_options_do_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="192" assertions="23" time="0.079503"/>
+    <testsuite name="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" tests="10" assertions="128" errors="0" failures="0" skipped="0" time="0.592983">
+      <testcase name="test_bw_trace_options_init" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="19" assertions="1" time="0.024423"/>
+      <testcase name="test_bw_action_options_init" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="28" assertions="1" time="0.025951"/>
+      <testcase name="test_bw_trace_options_add_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="34" assertions="9" time="0.038157"/>
+      <testcase name="test_bw_trace_options_add_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="45" assertions="17" time="0.099439"/>
+      <testcase name="test_bw_action_options_add_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="57" assertions="9" time="0.041077"/>
+      <testcase name="test_bw_action_options_add_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="68" assertions="17" time="0.085603"/>
+      <testcase name="test_bw_action_options_do_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="80" assertions="14" time="0.047091"/>
+      <testcase name="test_bw_action_options_do_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="102" assertions="22" time="0.093546"/>
+      <testcase name="test_bw_trace_options_do_page" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="159" assertions="15" time="0.056039"/>
+      <testcase name="test_bw_trace_options_do_page_bb_BB" class="Tests_admin_oik_bwtrace" classname="Tests_admin_oik_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-admin-oik-bwtrace.php" line="192" assertions="23" time="0.081657"/>
     </testsuite>
-    <testsuite name="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" tests="11" assertions="20" errors="0" failures="0" skipped="0" time="0.006145">
-      <testcase name="test_bw_trace2_issue56" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="52" assertions="1" time="0.000581"/>
-      <testcase name="test_bw_lazy_backtrace_issue56" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="65" assertions="1" time="0.000582"/>
-      <testcase name="test_bw_trace_on_off" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="91" assertions="2" time="0.000519"/>
-      <testcase name="test_bw_trace_anonymize_symlinked_file" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="107" assertions="1" time="0.000616"/>
-      <testcase name="test_bw_trace_file_part" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="131" assertions="1" time="0.000529"/>
-      <testcase name="test_bw_trace_elapsed" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="145" assertions="2" time="0.000508"/>
-      <testcase name="test_bw_trace_date" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="164" assertions="2" time="0.000500"/>
-      <testcase name="test_bw_trace_count" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="176" assertions="2" time="0.000482"/>
-      <testcase name="test_bw_trace_function" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="188" assertions="1" time="0.000479"/>
-      <testcase name="test_bw_current_filter" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="195" assertions="3" time="0.000491"/>
-      <testcase name="test_bw_list_trace_levels" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="214" assertions="4" time="0.000858"/>
+    <testsuite name="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" tests="11" assertions="20" errors="0" failures="0" skipped="0" time="0.008447">
+      <testcase name="test_bw_trace2_issue56" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="52" assertions="1" time="0.001057"/>
+      <testcase name="test_bw_lazy_backtrace_issue56" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="65" assertions="1" time="0.000994"/>
+      <testcase name="test_bw_trace_on_off" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="91" assertions="2" time="0.000822"/>
+      <testcase name="test_bw_trace_anonymize_symlinked_file" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="107" assertions="1" time="0.000743"/>
+      <testcase name="test_bw_trace_file_part" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="131" assertions="1" time="0.000630"/>
+      <testcase name="test_bw_trace_elapsed" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="145" assertions="2" time="0.000732"/>
+      <testcase name="test_bw_trace_date" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="164" assertions="2" time="0.000640"/>
+      <testcase name="test_bw_trace_count" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="176" assertions="2" time="0.000575"/>
+      <testcase name="test_bw_trace_function" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="188" assertions="1" time="0.000699"/>
+      <testcase name="test_bw_current_filter" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="195" assertions="3" time="0.000590"/>
+      <testcase name="test_bw_list_trace_levels" class="Tests_includes_bwtrace" classname="Tests_includes_bwtrace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-bwtrace.php" line="214" assertions="4" time="0.000965"/>
     </testsuite>
-    <testsuite name="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" tests="3" assertions="7" errors="0" failures="0" skipped="0" time="0.090967">
-      <testcase name="test__construct" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="12" assertions="2" time="0.026333"/>
-      <testcase name="test_reset_status" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="21" assertions="3" time="0.032089"/>
-      <testcase name="test_torf" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="76" assertions="2" time="0.032545"/>
+    <testsuite name="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" tests="3" assertions="7" errors="0" failures="0" skipped="0" time="0.097464">
+      <testcase name="test__construct" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="12" assertions="2" time="0.028677"/>
+      <testcase name="test_reset_status" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="21" assertions="3" time="0.035173"/>
+      <testcase name="test_torf" class="Tests_includes_class_BW_trace_controller" classname="Tests_includes_class_BW_trace_controller" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-BW-trace-controller.php" line="76" assertions="2" time="0.033614"/>
     </testsuite>
-    <testsuite name="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" tests="3" assertions="4" errors="0" failures="0" skipped="0" time="0.007097">
-      <testcase name="test__construct" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="11" assertions="2" time="0.001823"/>
-      <testcase name="test_find_next_unused" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="87" assertions="1" time="0.002623"/>
-      <testcase name="test_query_oldest_file" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="102" assertions="1" time="0.002651"/>
+    <testsuite name="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" tests="3" assertions="4" errors="0" failures="0" skipped="0" time="0.006469">
+      <testcase name="test__construct" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="11" assertions="2" time="0.001605"/>
+      <testcase name="test_find_next_unused" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="87" assertions="1" time="0.002325"/>
+      <testcase name="test_query_oldest_file" class="Tests_includes_class_trace_file_selector" classname="Tests_includes_class_trace_file_selector" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-includes-class-trace-file-selector.php" line="102" assertions="1" time="0.002539"/>
     </testsuite>
-    <testsuite name="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" tests="2" assertions="3" errors="0" failures="0" skipped="0" time="0.062583">
-      <testcase name="test_gho" class="Tests_issue_64" classname="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" line="15" assertions="1" time="0.028924"/>
-      <testcase name="test_bw_trace_get_attached_hook_count" class="Tests_issue_64" classname="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" line="24" assertions="2" time="0.033659"/>
+    <testsuite name="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" tests="2" assertions="3" errors="0" failures="0" skipped="0" time="0.062117">
+      <testcase name="test_gho" class="Tests_issue_64" classname="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" line="15" assertions="1" time="0.029362"/>
+      <testcase name="test_bw_trace_get_attached_hook_count" class="Tests_issue_64" classname="Tests_issue_64" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-64.php" line="24" assertions="2" time="0.032755"/>
     </testsuite>
-    <testsuite name="Tests_issue_66" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-66.php" tests="1" assertions="2" errors="0" failures="0" skipped="0" time="0.033985">
-      <testcase name="test_bw_trace_get_attached_hook_count" class="Tests_issue_66" classname="Tests_issue_66" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-66.php" line="18" assertions="2" time="0.033985"/>
+    <testsuite name="Tests_issue_66" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-66.php" tests="1" assertions="2" errors="0" failures="0" skipped="0" time="0.029514">
+      <testcase name="test_bw_trace_get_attached_hook_count" class="Tests_issue_66" classname="Tests_issue_66" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-66.php" line="16" assertions="2" time="0.029514"/>
     </testsuite>
-    <testsuite name="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" tests="4" assertions="8" errors="0" failures="0" skipped="0" time="0.105089">
-      <testcase name="test_bw_trace_print_r" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="19" assertions="1" time="0.023878"/>
-      <testcase name="test_bw_trace_print_r_no_handlers" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="28" assertions="2" time="0.026201"/>
-      <testcase name="test_bw_trace_print_r_obsafe" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="45" assertions="3" time="0.022309"/>
-      <testcase name="test_obstart_print_r_problem" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="83" assertions="2" time="0.032701"/>
+    <testsuite name="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" tests="4" assertions="8" errors="0" failures="0" skipped="0" time="0.127213">
+      <testcase name="test_bw_trace_print_r" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="19" assertions="1" time="0.028926"/>
+      <testcase name="test_bw_trace_print_r_no_handlers" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="28" assertions="2" time="0.032628"/>
+      <testcase name="test_bw_trace_print_r_obsafe" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="45" assertions="3" time="0.032624"/>
+      <testcase name="test_obstart_print_r_problem" class="Tests_issue_74" classname="Tests_issue_74" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-74.php" line="83" assertions="2" time="0.033035"/>
     </testsuite>
-    <testsuite name="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" tests="3" assertions="4" errors="0" failures="0" skipped="0" time="0.095366">
-      <testcase name="test_php_end_of_life" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="21" assertions="1" time="0.029763"/>
-      <testcase name="test_bw_trace_output_buffer_for_zlib_output_compression_on" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="28" assertions="2" time="0.032396"/>
-      <testcase name="test_bw_trace_output_buffer_for_zlib_output_compression_off" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="60" assertions="1" time="0.033207"/>
+    <testsuite name="Tests_issue_75" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-75.php" tests="1" assertions="1" errors="0" failures="0" skipped="0" time="0.029077">
+      <testcase name="test_bw_trace_ok_to_echo_wordfence_download" class="Tests_issue_75" classname="Tests_issue_75" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-75.php" line="16" assertions="1" time="0.029077"/>
     </testsuite>
-    <testsuite name="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" tests="4" assertions="57" errors="0" failures="0" skipped="0" time="0.256588">
-      <testcase name="test_bwtrace__syntax" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="18" assertions="9" time="0.045649"/>
-      <testcase name="test_bwtrace__syntax_bb_BB" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="27" assertions="17" time="0.100226"/>
-      <testcase name="test_bwtrace__example" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="40" assertions="14" time="0.062952"/>
-      <testcase name="test_bwtrace__example_bb_BB" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="50" assertions="17" time="0.047761"/>
+    <testsuite name="Tests_issue_76" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-76.php" tests="1" assertions="1" errors="0" failures="0" skipped="0" time="0.031150">
+      <testcase name="test_bw_trace_hexdump" class="Tests_issue_76" classname="Tests_issue_76" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-76.php" line="16" assertions="1" time="0.031150"/>
+    </testsuite>
+    <testsuite name="Tests_issue_77" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-77.php" tests="1" assertions="1" errors="0" failures="0" skipped="0" time="0.026559">
+      <testcase name="test_bw_trace_ok_to_echo" class="Tests_issue_77" classname="Tests_issue_77" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-77.php" line="16" assertions="1" time="0.026559"/>
+    </testsuite>
+    <testsuite name="Tests_issue_78" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-78.php" tests="3" assertions="3" errors="0" failures="0" skipped="0" time="0.094819">
+      <testcase name="test_bw_trace_ok_to_echo_woocommerce_product_export" class="Tests_issue_78" classname="Tests_issue_78" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-78.php" line="16" assertions="1" time="0.026174"/>
+      <testcase name="test_bw_trace_ok_to_echo_block_data_export" class="Tests_issue_78" classname="Tests_issue_78" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-78.php" line="22" assertions="1" time="0.035827"/>
+      <testcase name="test_bw_trace_ok_to_echo_edd_api" class="Tests_issue_78" classname="Tests_issue_78" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-78.php" line="28" assertions="1" time="0.032818"/>
+    </testsuite>
+    <testsuite name="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" tests="3" assertions="4" errors="0" failures="0" skipped="0" time="0.094744">
+      <testcase name="test_php_end_of_life" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="21" assertions="1" time="0.029240"/>
+      <testcase name="test_bw_trace_output_buffer_for_zlib_output_compression_on" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="28" assertions="2" time="0.033133"/>
+      <testcase name="test_bw_trace_output_buffer_for_zlib_output_compression_off" class="Tests_issue_79" classname="Tests_issue_79" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-issue-79.php" line="60" assertions="1" time="0.032371"/>
+    </testsuite>
+    <testsuite name="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" tests="4" assertions="57" errors="0" failures="0" skipped="0" time="0.294107">
+      <testcase name="test_bwtrace__syntax" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="18" assertions="9" time="0.047518"/>
+      <testcase name="test_bwtrace__syntax_bb_BB" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="27" assertions="17" time="0.088996"/>
+      <testcase name="test_bwtrace__example" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="40" assertions="14" time="0.038251"/>
+      <testcase name="test_bwtrace__example_bb_BB" class="Tests_shortcodes_oik_trace" classname="Tests_shortcodes_oik_trace" file="C:\apache\htdocs\wordpress\wp-content\plugins\oik-bwtrace\tests\test-shortcodes-oik-trace.php" line="50" assertions="17" time="0.119342"/>
     </testsuite>
   </testsuite>
 </testsuites>
diff --git a/tests/test-issue-76.php b/tests/test-issue-76.php
new file mode 100644
index 0000000..2d23c6a
--- /dev/null
+++ b/tests/test-issue-76.php
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * @copyright Bobbing Wide 2018, 2019
+ * @package oik-bwtrace
+ *
+ * Tests issue 76 - bw_trace_hexdump capability
+ */
+class Tests_issue_76 extends BW_UnitTestCase {
+
+	function setUp() : void {
+		parent::setUp();
+		oik_require( "includes/oik-actions.php", "oik-bwtrace" );
+	}
+
+	function test_bw_trace_hexdump() {
+		$string = "ABCDEFG\n12345678910\t£";
+		//echo $string;
+		$hex = bw_trace_hexdump( $string );
+
+		$expected = "22\r\n";
+		$expected .= "ABCDEFG.12345678910. 41 42 43 44 45 46 47 0a 31 32 33 34 35 36 37 38 39 31 30 09 \r\n";
+		$expected .= "£.................. c2 a3 \r\n";
+		$this->assertEquals( $expected, $hex );
+
+	}
+
+
+
+}
\ No newline at end of file