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|
--TEST--
call_user_func_array() passes by reference if the array element is referenced, regardless of function signature.
--FILE--
<?php
function by_val($arg) {
$arg = 'changed';
}
function by_ref(&$arg) {
$arg = 'changed';
}
echo "------ Calling by_val() with unreferenced argument ------\n";
$arg = array('original');
call_user_func_array('by_val', $arg);
var_dump($arg);
echo "------ Calling by_ref() with unreferenced argument ------\n";
$arg = array('original');
call_user_func_array('by_ref', $arg);
var_dump($arg);
echo "------ Calling by_val() with referenced argument ------\n";
$arg = array('original');
$ref = &$arg[0];
call_user_func_array('by_val', $arg);
var_dump($arg);
echo "------ Calling by_ref() with referenced argument ------\n";
$arg = array('original');
$ref = &$arg[0];
call_user_func_array('by_ref', $arg);
var_dump($arg);
?>
--EXPECTF--
------ Calling by_val() with unreferenced argument ------
array(1) {
[0]=>
string(8) "original"
}
------ Calling by_ref() with unreferenced argument ------
Warning: by_ref(): Argument #1 ($arg) must be passed by reference, value given in %s on line %d
array(1) {
[0]=>
string(8) "original"
}
------ Calling by_val() with referenced argument ------
array(1) {
[0]=>
&string(8) "original"
}
------ Calling by_ref() with referenced argument ------
array(1) {
[0]=>
&string(7) "changed"
}
|
