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Fix clone function

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Laurent Destailleur
2017-07-23 20:27:30 +02:00
parent 25b107defb
commit 9043cf759b
1 changed files with 12 additions and 4 deletions
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16
htdocs/core/lib/functions.lib.php
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@@ -624,18 +624,26 @@ function dol_buildpath($path, $type=0)
/** /**
* Create a clone of instance of object (new instance with same value for properties) * Create a clone of instance of object (new instance with same value for properties)
* Property that are reference are also new object (true clone) * With native = 0: Property that are reference are also new object (true clone). This means $this->db is not valid.
* With native = 1: Use PHP clone. Property that are reference are same pointer. This means $this->db is still valid.
* *
* @param object $object Object to clone * @param object $object Object to clone
* @param int $native Native method or true method
* @return object Object clone * @return object Object clone
* @see https://php.net/manual/language.oop5.cloning.php * @see https://php.net/manual/language.oop5.cloning.php
*/ */
function dol_clone($object) function dol_clone($object, $native=0)
{ {
//dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING); //dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
//$myclone = clone $object; // PHP clone is a shallow copy only, not a real clone, so properties of references will keep references (refer to the same target/variable if (empty($native))
$myclone=unserialize(serialize($object)); {
$myclone=unserialize(serialize($object));
}
else
{
$myclone = clone $object; // PHP clone is a shallow copy only, not a real clone, so properties of references will keep references (refer to the same target/variable)
}
return $myclone; return $myclone;
} }