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		<id>https://www.techotopia.com/index.php?action=history&amp;feed=atom&amp;title=Firebase_Test_Lab</id>
		<title>Firebase Test Lab - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.techotopia.com/index.php?action=history&amp;feed=atom&amp;title=Firebase_Test_Lab"/>
		<link rel="alternate" type="text/html" href="https://www.techotopia.com/index.php?title=Firebase_Test_Lab&amp;action=history"/>
		<updated>2026-04-06T14:26:33Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.26.2</generator>

	<entry>
		<id>https://www.techotopia.com/index.php?title=Firebase_Test_Lab&amp;diff=32337&amp;oldid=prev</id>
		<title>Neil at 17:55, 30 August 2017</title>
		<link rel="alternate" type="text/html" href="https://www.techotopia.com/index.php?title=Firebase_Test_Lab&amp;diff=32337&amp;oldid=prev"/>
				<updated>2017-08-30T17:55:09Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&#039;diff diff-contentalign-left&#039;&gt;
				&lt;col class=&#039;diff-marker&#039; /&gt;
				&lt;col class=&#039;diff-content&#039; /&gt;
				&lt;col class=&#039;diff-marker&#039; /&gt;
				&lt;col class=&#039;diff-content&#039; /&gt;
				&lt;tr style=&#039;vertical-align: top;&#039; lang=&#039;en&#039;&gt;
				&lt;td colspan=&#039;2&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&#039;2&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 17:55, 30 August 2017&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l28&quot; &gt;Line 28:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 28:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The main purpose of Robo testing is to quickly and easily find bugs that cause an app to crash. Robo test has no knowledge of the way the app is intended to work, so consequently has no way to verify that any response from the app to a particular action (aside from a crash) was the expected response. This level of testing requires the use of instrumentation testing. Robo testing with Firebase Test Lab is covered in the chapter entitled [[A Firebase Test Lab Robo Testing Example]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The main purpose of Robo testing is to quickly and easily find bugs that cause an app to crash. Robo test has no knowledge of the way the app is intended to work, so consequently has no way to verify that any response from the app to a particular action (aside from a crash) was the expected response. This level of testing requires the use of instrumentation testing. Robo testing with Firebase Test Lab is covered in the chapter entitled [[A Firebase Test Lab Robo Testing Example]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;htmlet&amp;gt;firebase_android&amp;lt;/htmlet&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Instrumentation Testing ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Instrumentation Testing ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Neil</name></author>	</entry>

	<entry>
		<id>https://www.techotopia.com/index.php?title=Firebase_Test_Lab&amp;diff=32278&amp;oldid=prev</id>
		<title>Neil at 14:53, 30 August 2017</title>
		<link rel="alternate" type="text/html" href="https://www.techotopia.com/index.php?title=Firebase_Test_Lab&amp;diff=32278&amp;oldid=prev"/>
				<updated>2017-08-30T14:53:04Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&#039;diff diff-contentalign-left&#039;&gt;
				&lt;col class=&#039;diff-marker&#039; /&gt;
				&lt;col class=&#039;diff-content&#039; /&gt;
				&lt;col class=&#039;diff-marker&#039; /&gt;
				&lt;col class=&#039;diff-content&#039; /&gt;
				&lt;tr style=&#039;vertical-align: top;&#039; lang=&#039;en&#039;&gt;
				&lt;td colspan=&#039;2&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&#039;2&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 14:53, 30 August 2017&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;table border=&amp;quot;0&amp;quot; cellspacing=&amp;quot;0&amp;quot; width=&amp;quot;100%&amp;quot;&amp;gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;table border=&amp;quot;0&amp;quot; cellspacing=&amp;quot;0&amp;quot; width=&amp;quot;100%&amp;quot;&amp;gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;[[Firebase Analytics Tutorial|Previous]]&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;[[Firebase Essentials - Android Edition|Table of Contents]]&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;[[A Firebase Test Lab Robo Testing Example|Next]]&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;[[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;A &lt;/ins&gt;Firebase Analytics Tutorial|Previous]]&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;[[Firebase Essentials - Android Edition|Table of Contents]]&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;[[A Firebase Test Lab Robo Testing Example|Next]]&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;Firebase Analytics Tutorial&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;A Firebase Test Lab Robo Testing Example&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;Firebase Analytics Tutorial&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;A Firebase Test Lab Robo Testing Example&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l61&quot; &gt;Line 61:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 61:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;hr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;hr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;table border=&amp;quot;0&amp;quot; cellspacing=&amp;quot;0&amp;quot; width=&amp;quot;100%&amp;quot;&amp;gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;table border=&amp;quot;0&amp;quot; cellspacing=&amp;quot;0&amp;quot; width=&amp;quot;100%&amp;quot;&amp;gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;[[Firebase Analytics Tutorial|Previous]]&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;[[Firebase Essentials - Android Edition|Table of Contents]]&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;[[A Firebase Test Lab Robo Testing Example|Next]]&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;[[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;A &lt;/ins&gt;Firebase Analytics Tutorial|Previous]]&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;[[Firebase Essentials - Android Edition|Table of Contents]]&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;[[A Firebase Test Lab Robo Testing Example|Next]]&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;tr&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;Firebase Analytics Tutorial&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;A Firebase Test Lab Robo Testing Example&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;td width=&amp;quot;20%&amp;quot;&amp;gt;Firebase Analytics Tutorial&amp;lt;td align=&amp;quot;center&amp;quot;&amp;gt;&amp;lt;td width=&amp;quot;20%&amp;quot; align=&amp;quot;right&amp;quot;&amp;gt;A Firebase Test Lab Robo Testing Example&amp;lt;/td&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/table&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/table&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Neil</name></author>	</entry>

Exception encountered, of type &quot;Error&quot;<br />
[1d554adc] /index.php?action=history&amp;feed=atom&amp;title=Firebase_Test_Lab   Error from line 434 of /var/www/techotopia/includes/diff/DairikiDiff.php: Call to undefined function each()<br />
Backtrace:<br />
#0 /var/www/techotopia/includes/diff/DairikiDiff.php(544): DiffEngine-&gt;diag()<br />
#1 /var/www/techotopia/includes/diff/DairikiDiff.php(344): DiffEngine-&gt;compareSeq()<br />
#2 /var/www/techotopia/includes/diff/DairikiDiff.php(227): DiffEngine-&gt;diffLocal()<br />
#3 /var/www/techotopia/includes/diff/DairikiDiff.php(721): DiffEngine-&gt;diff()<br />
#4 /var/www/techotopia/includes/diff/DifferenceEngine.php(879): Diff-&gt;__construct()<br />
#5 /var/www/techotopia/includes/diff/DifferenceEngine.php(797): DifferenceEngine-&gt;generateTextDiffBody()<br />
#6 /var/www/techotopia/includes/diff/DifferenceEngine.php(728): DifferenceEngine-&gt;generateContentDiffBody()<br />
#7 /var/www/techotopia/includes/diff/DifferenceEngine.php(662): DifferenceEngine-&gt;getDiffBody()<br />
#8 /var/www/techotopia/includes/FeedUtils.php(155): DifferenceEngine-&gt;getDiff()<br />
#9 /var/www/techotopia/includes/actions/HistoryAction.php(325): FeedUtils::formatDiffRow()<br />
#10 /var/www/techotopia/includes/actions/HistoryAction.php(290): HistoryAction-&gt;feedItem()<br />
#11 /var/www/techotopia/includes/actions/HistoryAction.php(130): HistoryAction-&gt;feed()<br />
#12 /var/www/techotopia/includes/actions/FormlessAction.php(43): HistoryAction-&gt;onView()<br />
#13 /var/www/techotopia/includes/MediaWiki.php(490): FormlessAction-&gt;show()<br />
#14 /var/www/techotopia/includes/MediaWiki.php(287): MediaWiki-&gt;performAction()<br />
#15 /var/www/techotopia/includes/MediaWiki.php(714): MediaWiki-&gt;performRequest()<br />
#16 /var/www/techotopia/includes/MediaWiki.php(508): MediaWiki-&gt;main()<br />
#17 /var/www/techotopia/index.php(41): MediaWiki-&gt;run()<br />
#18 {main}<br />

