Set X Axes, and Y Axes Properties

You can also set individual x, y axes properties. To set only x axes properties, use set_xaxes() method. Likewise, to set only y axes properties, use set_yaxes().

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$s1 = array(11, 9, 5, 12, 14);
$s2 = array(6, 8, 7, 13, 9);

$pc = new C_PhpChartX(array($s1, $s2),'basic_chart');
$pc->set_animate(true);
$pc->set_title(array('text'=>'Basic Chart'));

$pc->set_series_default(array(
'renderer'=>'plugin::BarRenderer',
'rendererOptions'=>array('sliceMargin'=>2,'innerDiameter'=>110,'startAngle'=>-90,'highlightMouseDown'=>true),
'shadow'=>true
));

$pc->add_plugins(array('highlighter', 'canvasTextRenderer'));

//set phpChart grid properties
$pc->set_grid(array(
'background'=>'lightyellow',
'borderWidth'=>0,
'borderColor'=>'#000000',
'shadow'=>true,
'shadowWidth'=>10,
'shadowOffset'=>3,
'shadowDepth'=>3,
'shadowColor'=>'rgba(230, 230, 230, 0.07)'
));

//set axes
$pc->set_axes(array(
'xaxis'=>array('rendnerer'=>'plugin::CategoryAxisRenderer'),
'yaxis'=>array('padMax'=>2.0)));
//set axes
$pc->set_xaxes(array(
'xaxis' => array(
'borderWidth'=>2,
'borderColor'=>'#999999',
'tickOptions'=>array('showGridline'=>false))
));

$pc->set_yaxes(array(
'yaxis' => array(
'borderWidth'=>0,
'borderColor'=>'#ffffff',
'autoscale'=>true,
'min'=>'0',
'max'=>20,
'numberTicks'=>21,
'labelRenderer'=>'plugin::CanvasAxisLabelRenderer',
'label'=>'Energy Use')
));
$pc->draw();

Live demo