1--TEST--
2Test array_unshift() function : error conditions
3--FILE--
4<?php
5/* Prototype  : int array_unshift(array $array, mixed $var [, mixed ...])
6 * Description: Pushes elements onto the beginning of the array
7 * Source code: ext/standard/array.c
8*/
9
10echo "*** Testing array_unshift() : error conditions ***\n";
11
12// Zero arguments
13echo "\n-- Testing array_unshift() function with Zero arguments --\n";
14var_dump( array_unshift() );
15
16// Testing array_unshift with one less than the expected number of arguments
17echo "\n-- Testing array_unshift() function with less than expected no. of arguments --\n";
18$array = array(1, 2);
19var_dump( array_unshift($array) );
20echo "Done";
21?>
22--EXPECTF--
23*** Testing array_unshift() : error conditions ***
24
25-- Testing array_unshift() function with Zero arguments --
26
27Warning: array_unshift() expects at least 2 parameters, 0 given in %s on line %d
28NULL
29
30-- Testing array_unshift() function with less than expected no. of arguments --
31
32Warning: array_unshift() expects at least 2 parameters, 1 given in %s on line %d
33NULL
34Done
35