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--TEST--
Returning a references returned by another function
--FILE--
<?php
function &returnVarByRef () {
$b=1;
return $b;
}
function &testReturnVarByRef() {
return returnVarByRef();
}
function returnVal () {
return 1;
}
function &testReturnValByRef() {
return returnVal();
}
echo "\n---> 1. Return a variable by reference -> No warning:\n";
var_dump (testReturnVarByRef());
echo "\n---> 2. Return a value by reference -> Warning:\n";
var_dump (testReturnValByRef());
--EXPECTF--
---> 1. Return a variable by reference -> No warning:
int(1)
---> 2. Return a value by reference -> Warning:
Notice: Only variable references should be returned by reference in %s on line %d
int(1)
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