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<div style="font-weight: bold;margin-left:15px;">datescaleticksex01.php</div><link rel="stylesheet" href="../phphl.css" type="text/css"><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags"><?php</span><span class="hl-code"> </span><span class="hl-comment">//</span><span class="hl-comment"> content="text/plain; charset=utf-8"</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">../jpgraph.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">../jpgraph_line.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">../jpgraph_date.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">DEFINE</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">INTERVAL</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-number">5</span><span class="hl-code">*</span><span class="hl-number">60</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> First create some "dummy" data</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$m</span><span class="hl-code"> = </span><span class="hl-number">5</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Number of data sets</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$n</span><span class="hl-code"> = </span><span class="hl-number">4</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Number of bids to show</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$startbid</span><span class="hl-code"> = </span><span class="hl-number">8000</span><span class="hl-code">;
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</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-var">$i</span><span class="hl-code"> < </span><span class="hl-var">$m</span><span class="hl-code">; ++</span><span class="hl-var">$i</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
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</span><span class="hl-var">$bids</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-var">$startbid</span><span class="hl-code"> + </span><span class="hl-identifier">rand</span><span class="hl-brackets">(</span><span class="hl-number">100</span><span class="hl-code">,</span><span class="hl-number">500</span><span class="hl-brackets">)</span><span class="hl-code">*</span><span class="hl-number">10</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$j</span><span class="hl-code">=</span><span class="hl-number">1</span><span class="hl-code">; </span><span class="hl-var">$j</span><span class="hl-code"> < </span><span class="hl-var">$n</span><span class="hl-code">; ++</span><span class="hl-var">$j</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
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</span><span class="hl-var">$bids</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-brackets">[</span><span class="hl-var">$j</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-var">$bids</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-brackets">[</span><span class="hl-var">$j</span><span class="hl-code">-</span><span class="hl-number">1</span><span class="hl-brackets">]</span><span class="hl-code"> + </span><span class="hl-identifier">rand</span><span class="hl-brackets">(</span><span class="hl-number">20</span><span class="hl-code">,</span><span class="hl-number">500</span><span class="hl-brackets">)</span><span class="hl-code">*</span><span class="hl-number">10</span><span class="hl-code">;
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</span><span class="hl-brackets">}</span><span class="hl-code">
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</span><span class="hl-brackets">}</span><span class="hl-code">
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</span><span class="hl-var">$start</span><span class="hl-code"> = </span><span class="hl-identifier">floor</span><span class="hl-brackets">(</span><span class="hl-identifier">time</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">/</span><span class="hl-identifier">INTERVAL</span><span class="hl-brackets">)</span><span class="hl-code">*</span><span class="hl-identifier">INTERVAL</span><span class="hl-code">;
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</span><span class="hl-var">$times</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-var">$start</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$i</span><span class="hl-code">=</span><span class="hl-number">1</span><span class="hl-code">; </span><span class="hl-var">$i</span><span class="hl-code"> < </span><span class="hl-var">$n</span><span class="hl-code">; ++</span><span class="hl-var">$i</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
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</span><span class="hl-comment">//</span><span class="hl-comment"> Create a timestamp for every 5 minutes</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$times</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-var">$times</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-code">-</span><span class="hl-number">1</span><span class="hl-brackets">]</span><span class="hl-code">+</span><span class="hl-identifier">INTERVAL</span><span class="hl-code">;
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</span><span class="hl-brackets">}</span><span class="hl-code">
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</span><span class="hl-comment">//</span><span class="hl-comment"> Setup the bid graph</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Graph</span><span class="hl-brackets">(</span><span class="hl-number">600</span><span class="hl-code">,</span><span class="hl-number">250</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">SetMargin</span><span class="hl-brackets">(</span><span class="hl-number">80</span><span class="hl-code">,</span><span class="hl-number">30</span><span class="hl-code">,</span><span class="hl-number">50</span><span class="hl-code">,</span><span class="hl-number">40</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">SetMarginColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">SetScale</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">dateint</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">title</span><span class="hl-code">-></span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Current Bids</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">title</span><span class="hl-code">-></span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">subtitle</span><span class="hl-code">-></span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">(Updated every 5 minutes)</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">subtitle</span><span class="hl-code">-></span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_ITALIC</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Enable antialias</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">img</span><span class="hl-code">-></span><span class="hl-identifier">SetAntiAliasing</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Setup the y-axis to show currency values</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">yaxis</span><span class="hl-code">-></span><span class="hl-identifier">SetLabelFormatCallback</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">number_format</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">yaxis</span><span class="hl-code">-></span><span class="hl-identifier">SetLabelFormat</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">$%s</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment">Use hour:minute format for the labels</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">xaxis</span><span class="hl-code">-></span><span class="hl-identifier">scale</span><span class="hl-code">-></span><span class="hl-identifier">SetDateFormat</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">H:i</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Force labels to only be displayed every 5 minutes</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">xaxis</span><span class="hl-code">-></span><span class="hl-identifier">scale</span><span class="hl-code">-></span><span class="hl-identifier">ticks</span><span class="hl-code">-></span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-identifier">INTERVAL</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Adjust the start time for an "even" 5 minute, i.e. 5,10,15,20,25, ...</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">xaxis</span><span class="hl-code">-></span><span class="hl-identifier">scale</span><span class="hl-code">-></span><span class="hl-identifier">SetTimeAlign</span><span class="hl-brackets">(</span><span class="hl-identifier">MINADJ_5</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Create the plots using the dummy data created at the beginning</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$line</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-var">$i</span><span class="hl-code"> < </span><span class="hl-var">$m</span><span class="hl-code">; ++</span><span class="hl-var">$i</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
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</span><span class="hl-var">$line</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">LinePlot</span><span class="hl-brackets">(</span><span class="hl-var">$bids</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">,</span><span class="hl-var">$times</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-var">$line</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-></span><span class="hl-identifier">mark</span><span class="hl-code">-></span><span class="hl-identifier">SetType</span><span class="hl-brackets">(</span><span class="hl-identifier">MARK_SQUARE</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-brackets">}</span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$line</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-comment">//</span><span class="hl-comment"> Send the graph back to the client</span><span class="hl-comment"></span><span class="hl-code">
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</span><span class="hl-var">$graph</span><span class="hl-code">-></span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-inlinetags">?></span></pre></td></tr></table></div>
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