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Default $extgstates to an array so the writers can count it (mirrors mpdf/mpdf#2135) #20

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Merged
jakejackson1 merged 1 commit into from
Sep 7, 2026
Merged

Default $extgstates to an array so the writers can count it (mirrors mpdf/mpdf#2135) #20

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2 changes: 1 addition & 1 deletion src/Mpdf.php
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Original file line number Diff line number Diff line change
Expand Up @@ -610,7 +610,7 @@ class Mpdf implements \Psr\Log\LoggerAwareInterface

var $directionality;

var $extgstates; // Used for alpha channel - Transparency (Watermark)
var $extgstates = []; // Used for alpha channel - Transparency (Watermark)
var $mgl;
var $mgt;
var $mgr;
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11 changes: 11 additions & 0 deletions tests/Mpdf/ConfigurationTest.php
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Expand Up @@ -14,6 +14,17 @@ public function testDefaultSettings()
$this->assertFalse($mpdf->autoPadding);
}

/**
* The writers count() this before anything has drawn, so an instance that never ran the
* constructor - a partial mock, say - must still find an array here
*/
public function testExtgstatesDefaultsToAnArray()
{
$mpdf = (new \ReflectionClass(Mpdf::class))->newInstanceWithoutConstructor();

$this->assertSame([], $mpdf->extgstates);
}

public function testOverwrittenSettings()
{
$mpdf = new Mpdf([
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