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--TEST--
array_unshift() tests
--FILE--
<?php
$a = array();
$s = "";
var_dump(array_unshift($a, $s));
var_dump($a);
var_dump(array_unshift($s, $a));
var_dump($a);
var_dump(array_unshift($a, $a));
var_dump($a);
echo "Done\n";
?>
--EXPECTF--
int(1)
array(1) {
[0]=>
string(0) ""
}
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
array(1) {
[0]=>
string(0) ""
}
int(2)
array(2) {
[0]=>
array(1) {
[0]=>
string(0) ""
}
[1]=>
string(0) ""
}
Done
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