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✎ Editing: EntityLookup.php ← Back

<?php

/**

* Object that provides entity lookup table from entity name to character

class HTMLPurifier_EntityLookup

{

/**

* Assoc array of entity name to character represented.

* @type array

public $table;

/**

* Sets up the entity lookup table from the serialized file contents.

* @param bool $file

* @note The serialized contents are versioned, but were generated

*       using the maintenance script generate_entity_file.php

* @warning This is not in constructor to help enforce the Singleton

public function setup($file = false)

{

if (!$file) {

$file = HTMLPURIFIER_PREFIX . '/HTMLPurifier/EntityLookup/entities.ser';

}

$this->table = unserialize(file_get_contents($file));

}

/**

* Retrieves sole instance of the object.

* @param bool|HTMLPurifier_EntityLookup $prototype Optional prototype of custom lookup table to overload with.

* @return HTMLPurifier_EntityLookup

public static function instance($prototype = false)

{

// no references, since PHP doesn't copy unless modified

static $instance = null;

if ($prototype) {

$instance = $prototype;

} elseif (!$instance) {

$instance = new HTMLPurifier_EntityLookup();

$instance->setup();

}

return $instance;

}

// vim: et sw=4 sts=4

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