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|
--TEST--
Test array_unshift() function : usage variations - unexpected values for 'array' argument
--FILE--
<?php
/* Prototype : int array_unshift(array $array, mixed $var [, mixed ...])
* Description: Pushes elements onto the beginning of the array
* Source code: ext/standard/array.c
*/
/*
* Testing the behavior of array_unshift() by giving values
* other than array values for $array argument
*/
echo "*** Testing array_unshift() : unexpected values for \$array argument ***\n";
// Initialise $var argument
$var = 12;
// get a class
class classA
{
public function __toString() {
return "Class A object";
}
}
// heredoc string
$heredoc = <<<EOT
hello world
EOT;
// get a resource variable
$fp = fopen(__FILE__, "r");
// get an unset variable
$unset_var = 10;
unset ($unset_var);
// array of unexpected values to be passed to $array argument
$arrays = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
// float data
/*5*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*10*/ NULL,
null,
// boolean data
/*12*/ true,
false,
TRUE,
FALSE,
// empty data
/*16*/ "",
'',
// string data
/*18*/ "string",
'string',
$heredoc,
// object data
/*21*/ new classA(),
// undefined data
@$undefined_var,
// unset data
@$unset_var,
// resource variable
/*24*/ $fp
);
// loop through each element of $arrays to test the functionality of array_unshift()
$iterator = 1;
foreach($arrays as $array) {
echo "\n-- Iteration $iterator --";
/* with default arguments */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
$temp_array = $array;
var_dump( array_unshift($temp_array, $var) );
// dump the resulting array
var_dump($temp_array);
/* with optional arguments */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
$temp_array = $array;
var_dump( array_unshift($temp_array, $var, "hello", 'world') );
// dump the resulting array
var_dump($temp_array);
$iterator++;
};
// close the file resource used
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_unshift() : unexpected values for $array argument ***
-- Iteration 1 --
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(0)
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(0)
-- Iteration 2 --
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(1)
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(1)
-- Iteration 3 --
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(12345)
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(12345)
-- Iteration 4 --
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(-2345)
Warning: array_unshift() expects parameter 1 to be array, integer given in %s on line %d
NULL
int(-2345)
-- Iteration 5 --
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(10.5)
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(10.5)
-- Iteration 6 --
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(-10.5)
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(-10.5)
-- Iteration 7 --
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(123456789000)
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(123456789000)
-- Iteration 8 --
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(1.23456789E-9)
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(1.23456789E-9)
-- Iteration 9 --
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(0.5)
Warning: array_unshift() expects parameter 1 to be array, float given in %s on line %d
NULL
float(0.5)
-- Iteration 10 --
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
-- Iteration 11 --
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
-- Iteration 12 --
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(true)
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(true)
-- Iteration 13 --
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(false)
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(false)
-- Iteration 14 --
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(true)
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(true)
-- Iteration 15 --
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(false)
Warning: array_unshift() expects parameter 1 to be array, boolean given in %s on line %d
NULL
bool(false)
-- Iteration 16 --
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(0) ""
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(0) ""
-- Iteration 17 --
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(0) ""
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(0) ""
-- Iteration 18 --
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(6) "string"
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(6) "string"
-- Iteration 19 --
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(6) "string"
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(6) "string"
-- Iteration 20 --
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(11) "hello world"
Warning: array_unshift() expects parameter 1 to be array, string given in %s on line %d
NULL
string(11) "hello world"
-- Iteration 21 --
Warning: array_unshift() expects parameter 1 to be array, object given in %s on line %d
NULL
object(classA)#1 (0) {
}
Warning: array_unshift() expects parameter 1 to be array, object given in %s on line %d
NULL
object(classA)#1 (0) {
}
-- Iteration 22 --
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
-- Iteration 23 --
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
Warning: array_unshift() expects parameter 1 to be array, null given in %s on line %d
NULL
NULL
-- Iteration 24 --
Warning: array_unshift() expects parameter 1 to be array, resource given in %s on line %d
NULL
resource(%d) of type (stream)
Warning: array_unshift() expects parameter 1 to be array, resource given in %s on line %d
NULL
resource(%d) of type (stream)
Done
|
