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array_rand_variation3.phpt
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Tue Feb 21 23:48:03 2012 UTC (12 years, 5 months ago) by
misho
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CVS tags:
v5_4_3elwix,
v5_4_29p0,
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php
--TEST--
Test array_rand() function : usage variation - with MultiDimensional array
--FILE--
<?php
/* Prototype : mixed array_rand(array $input [, int $num_req])
* Description: Return key/keys for random entry/entries in the array
* Source code: ext/standard/array.c
*/
/*
* Test behaviour of array_rand() function when multi-dimensional array
* is passed to 'input' argument
*/
echo "*** Testing array_rand() : with multi-dimensional array ***\n";
// initialise the multi-dimensional array
$input = array(
// array with int values
/*1*/ array(1, 2, 0, -0, -1, -2),
// array with float values
array(1.23, -1.23, 0.34, -0.34, 0e2, 2e-3, -2e2, -40e-2),
// array with single quoted strings
/*3*/ array('one', '123numbers', 'hello\tworld', 'hello world\0', '12.34floatnum'),
// array with double quoted strings
array("one","123numbers", "hello\tworld", "hello world\0", "12.34floatnum"),
// array with bool values
/*5*/ array(true, TRUE, FALSE, false, TrUe, FaLsE),
// array with hexa values
array(0x123, -0x123, 0xabc, 0xABC, 0xab),
// array with null values
/*7*/ array(null, NULL, "\0", Null, NuLl)
);
// initialise 'num_req' variable
$num_req = 3;
// calling array_rand() function with multi-dimensional array
var_dump( array_rand($input, $num_req) );
// looping to test array_rand() with each sub-array in the multi-dimensional array
echo "\n*** Testing array_rand() with arrays having different types of values ***\n";
$counter = 1;
foreach($input as $arr) {
echo "\n-- Iteration $counter --\n";
var_dump( array_rand($arr) ); // with default arguments
var_dump( array_rand($arr, 3) ); // with default as well as optional arguments
$counter++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_rand() : with multi-dimensional array ***
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
*** Testing array_rand() with arrays having different types of values ***
-- Iteration 1 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 2 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 3 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 4 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 5 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 6 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
-- Iteration 7 --
int(%d)
array(3) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
}
Done
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