--TEST--
Test prev() function : error conditions - Pass incorrect number of arguments
--FILE--
<?php
/* Prototype : mixed prev(array $array_arg)
* Description: Move array argument's internal pointer to the previous element and return it
* Source code: ext/standard/array.c
*/
/*
* Pass incorrect number of arguments to prev() to test behaviour
*/
echo "*** Testing prev() : error conditions ***\n";
// Zero arguments
echo "\n-- Testing prev() function with Zero arguments --\n";
var_dump( prev() );
//Test prev with one more than the expected number of arguments
echo "\n-- Testing prev() function with more than expected no. of arguments --\n";
$array_arg = array(1, 2);
$extra_arg = 10;
var_dump( prev($array_arg, $extra_arg) );
?>
===DONE===
--EXPECTF--
*** Testing prev() : error conditions ***
-- Testing prev() function with Zero arguments --
Warning: prev() expects exactly 1 parameter, 0 given in %s on line %d
NULL
-- Testing prev() function with more than expected no. of arguments --
Warning: prev() expects exactly 1 parameter, 2 given in %s on line %d
NULL
===DONE===
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