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Background.php
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1 <?php
2 
6 class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform {
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8  public function transform($attr, $config, $context) {
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10  if (!isset($attr['background'])) return $attr;
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12  $background = $this->confiscateAttr($attr, 'background');
13  // some validation should happen here
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15  $this->prependCSS($attr, "background-image:url($background);");
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17  return $attr;
18 
19  }
20 
21 }
22 
23 // vim: et sw=4 sts=4
HTMLPurifier_AttrTransform
Processes an entire attribute array for corrections needing multiple values.
Definition: AttrTransform.php:17
HTMLPurifier_AttrTransform_Background
Pre-transform that changes proprietary background attribute to CSS.
Definition: Background.php:6
HTMLPurifier_AttrTransform_Background\transform
transform($attr, $config, $context)
Definition: Background.php:8
HTMLPurifier_AttrTransform\confiscateAttr
confiscateAttr(&$attr, $key)
Retrieves and removes an attribute.
Definition: AttrTransform.php:47
HTMLPurifier_AttrTransform\prependCSS
prependCSS(&$attr, $css)
Prepends CSS properties to the style attribute, creating the attribute if it doesn&#39;t exist...
Definition: AttrTransform.php:37