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--TEST--
Test array_diff_key() function : error conditions
--FILE--
<?php
/* Prototype : array array_diff_key(array arr1, array arr2 [, array ...])
* Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments.
* Source code: ext/standard/array.c
*/
echo "*** Testing array_diff_key() : error conditions ***\n";
// Initialise the variables
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
// Testing array_diff_key with one less than the expected number of arguments
echo "\n-- Testing array_diff_key() function with less than expected no. of arguments --\n";
var_dump( array_diff_key($array1) );
// Testing array_diff_key with no arguments
echo "\n-- Testing array_diff_key() function with no arguments --\n";
var_dump( array_diff_key() );
?>
===DONE===
--EXPECTF--
*** Testing array_diff_key() : error conditions ***
-- Testing array_diff_key() function with less than expected no. of arguments --
Warning: array_diff_key(): at least 2 parameters are required, 1 given in %s on line %d
NULL
-- Testing array_diff_key() function with no arguments --
Warning: array_diff_key(): at least 2 parameters are required, 0 given in %s on line %d
NULL
===DONE===
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