dateutilex01.html 12.2 KB
<div style="font-weight: bold;margin-left:15px;">dateutilex01.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">&lt;?php</span><span class="hl-code"> </span><span class="hl-comment">//</span><span class="hl-comment"> content=&quot;text/plain; charset=utf-8&quot;</span><span class="hl-comment"></span><span class="hl-code">
</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/jpgraph.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</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/jpgraph_line.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</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/jpgraph_utils.inc.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Get a dataset stored in $xdata and $ydata</span><span class="hl-comment"></span><span class="hl-code">
</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">dataset01.inc.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-var">$dateUtils</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">DateScaleUtils</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup a basic graph</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$width</span><span class="hl-code">=</span><span class="hl-number">500</span><span class="hl-code">; </span><span class="hl-var">$height</span><span class="hl-code">=</span><span class="hl-number">300</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Graph</span><span class="hl-brackets">(</span><span class="hl-var">$width</span><span class="hl-code">, </span><span class="hl-var">$height</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> We set the x-scale min/max values to avoid empty space</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> on the side of the plot</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetScale</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">intlin</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-identifier">min</span><span class="hl-brackets">(</span><span class="hl-var">$xdata</span><span class="hl-brackets">)</span><span class="hl-code">,</span><span class="hl-identifier">max</span><span class="hl-brackets">(</span><span class="hl-var">$xdata</span><span class="hl-brackets">)</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMargin</span><span class="hl-brackets">(</span><span class="hl-number">60</span><span class="hl-code">,</span><span class="hl-number">20</span><span class="hl-code">,</span><span class="hl-number">40</span><span class="hl-code">,</span><span class="hl-number">60</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup the titles</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Development since 1984</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">subtitle</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_ITALIC</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">subtitle</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">(Example using DateScaleUtils class)</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup the labels to be correctly format on the X-axis</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_NORMAL</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetLabelAngle</span><span class="hl-brackets">(</span><span class="hl-number">30</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> The second paramter set to 'true' will make the library interpret the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> format string as a date format. We use a Month + Year format</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetLabelFormatString</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">M, Y</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Get manual tick every second year</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">list</span><span class="hl-brackets">(</span><span class="hl-var">$tickPos</span><span class="hl-code">,</span><span class="hl-var">$minTickPos</span><span class="hl-brackets">)</span><span class="hl-code"> = </span><span class="hl-var">$dateUtils</span><span class="hl-code">-&gt;</span><span class="hl-identifier">getTicks</span><span class="hl-brackets">(</span><span class="hl-var">$xdata</span><span class="hl-code">,</span><span class="hl-identifier">DSUTILS_YEAR2</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetTickPositions</span><span class="hl-brackets">(</span><span class="hl-var">$tickPos</span><span class="hl-code">,</span><span class="hl-var">$minTickPos</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> First add an area plot</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$lp1</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">LinePlot</span><span class="hl-brackets">(</span><span class="hl-var">$ydata</span><span class="hl-code">,</span><span class="hl-var">$xdata</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$lp1</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetWeight</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$lp1</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFillColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">orange@0.85</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$lp1</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> And then add line. We use two plots in order to get a</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> more distinct border on the graph</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$lp2</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">LinePlot</span><span class="hl-brackets">(</span><span class="hl-var">$ydata</span><span class="hl-code">,</span><span class="hl-var">$xdata</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$lp2</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">orange</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$lp2</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> And send back to the client</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>