--TEST--
ReflectionParameter class - canBePassedByValue() method.
--FILE--
<?php
function aux($fun) {
$func = new ReflectionFunction($fun);
$parameters = $func->getParameters();
foreach($parameters as $parameter) {
echo "Name: ", $parameter->getName(), "\n";
echo "Is passed by reference: ", $parameter->isPassedByReference()?"yes":"no", "\n";
echo "Can be passed by value: ", $parameter->canBePassedByValue()?"yes":"no", "\n";
echo "\n";
}
}
echo "=> array_multisort:\n\n";
aux('array_multisort');
echo "=> sort:\n\n";
aux('sort');
echo "=> user function:\n\n";
function ufunc(&$arg1, $arg2) {}
aux('ufunc');
echo "Done.\n";
?>
--EXPECTF--
=> array_multisort:
Name: arr1
Is passed by reference: yes
Can be passed by value: yes
Name: sort_order
Is passed by reference: yes
Can be passed by value: yes
Name: sort_flags
Is passed by reference: yes
Can be passed by value: yes
Name: arr2
Is passed by reference: yes
Can be passed by value: yes
=> sort:
Name: arg
Is passed by reference: yes
Can be passed by value: no
Name: sort_flags
Is passed by reference: no
Can be passed by value: yes
=> user function:
Name: arg1
Is passed by reference: yes
Can be passed by value: no
Name: arg2
Is passed by reference: no
Can be passed by value: yes
Done.
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