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array_diff_key_variation3.phpt
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--TEST--
Test array_diff_key() function : usage variation - Passing unexpected values to third optional argument
--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() : usage variation ***\n";
// Initialise function arguments not being substituted (if any)
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//resource variable
$fp = fopen(__FILE__, "r");
// define some classes
class classWithToString
{
public function __toString() {
return "Class A object";
}
}
class classWithoutToString
{
}
// heredoc string
$heredoc = <<<EOT
hello world
EOT;
//array of values to iterate over
$inputs = array(
// int data
'int 0' => 0,
'int 1' => 1,
'int 12345' => 12345,
'int -12345' => -12345,
// float data
'float 10.5' => 10.5,
'float -10.5' => -10.5,
'float 12.3456789000e10' => 12.3456789000e10,
'float -12.3456789000e10' => -12.3456789000e10,
'float .5' => .5,
// null data
'uppercase NULL' => NULL,
'lowercase null' => null,
// boolean data
'lowercase true' => true,
'lowercase false' =>false,
'uppercase TRUE' =>TRUE,
'uppercase FALSE' =>FALSE,
// empty data
'empty string DQ' => "",
'empty string SQ' => '',
// string data
'string DQ' => "string",
'string SQ' => 'string',
'mixed case string' => "sTrInG",
'heredoc' => $heredoc,
// object data
'instance of classWithToString' => new classWithToString(),
'instance of classWithoutToString' => new classWithoutToString(),
// undefined data
'undefined var' => @$undefined_var,
// unset data
'unset var' => @$unset_var,
// resource data
'resource' => $fp,
);
// loop through each element of the array for arr1
foreach($inputs as $key =>$value) {
echo "\n--$key--\n";
var_dump( array_diff_key($array1, $array2, $value) );
};
fclose($fp);
?>
===DONE===
--EXPECTF--
*** Testing array_diff_key() : usage variation ***
--int 0--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int 1--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int 12345--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int -12345--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float 10.5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float -10.5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float 12.3456789000e10--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float -12.3456789000e10--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float .5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase NULL--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase null--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase true--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase false--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase TRUE--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase FALSE--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--empty string DQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--empty string SQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--string DQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--string SQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--mixed case string--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--heredoc--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--instance of classWithToString--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--instance of classWithoutToString--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--undefined var--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--unset var--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--resource--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
===DONE===