diff options
Diffstat (limited to 'src/charts')
| -rw-r--r-- | src/charts/pie.php | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/charts/pie.php b/src/charts/pie.php index f99766b..ff611a7 100644 --- a/src/charts/pie.php +++ b/src/charts/pie.php @@ -96,9 +96,9 @@ class ezcGraphPieChart extends ezcGraphChart $sum = 0; foreach ( $dataset as $name => $value ) { - if ( $value <= 0 ) + if ( $value < 0 ) { - throw new ezcGraphInvalidDataException( "Values > 0 required, '$name' => '$value'." ); + throw new ezcGraphInvalidDataException( "Values >= 0 required, '$name' => '$value'." ); } $sum += $value; @@ -116,6 +116,12 @@ class ezcGraphPieChart extends ezcGraphChart $angle = 0; foreach ( $dataset as $label => $value ) { + // Skip rendering values which equals 0 + if ( $value <= 0 ) + { + continue; + } + switch ( $dataset->displayType->default ) { case ezcGraph::PIE: |
