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array_map_variation3.phpt
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Tue Feb 21 23:48:03 2012 UTC (12 years, 6 months ago) by
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php
--TEST--
Test array_map() function : usage variations - different arrays for 'arr1' argument
--FILE--
<?php
/* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
* Description: Applies the callback to the elements of the given arrays
* Source code: ext/standard/array.c
*/
/*
* Test array_map() by passing different arrays for $arr1 argument
*/
echo "*** Testing array_map() : different arrays for 'arr1' argument ***\n";
function callback($a)
{
return ($a);
}
// different arrays
$arrays = array (
/*1*/ array(1, 2), // array with default keys and numeric values
array(1.1, 2.2), // array with default keys & float values
array( array(2), array(1)), // sub arrays
array(false,true), // array with default keys and boolean values
array(), // empty array
array(NULL), // array with NULL
array("a","aaaa","b","bbbb","c","ccccc"),
// associative arrays
/*8*/ array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values
array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values
array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values
array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value
array("one" => 1, 2 => "two", 4 => "four"), //mixed
// associative array, containing null/empty/boolean values as key/value
/*13*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
array(true => "true", false => "false", "false" => false, "true" => true),
array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
// array with repetative keys
/*18*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
);
// loop through the various elements of $arrays to test array_map()
$iterator = 1;
foreach($arrays as $arr1) {
echo "-- Iteration $iterator --\n";
var_dump( array_map('callback', $arr1) );
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_map() : different arrays for 'arr1' argument ***
-- Iteration 1 --
array(2) {
[0]=>
int(1)
[1]=>
int(2)
}
-- Iteration 2 --
array(2) {
[0]=>
float(1.1)
[1]=>
float(2.2)
}
-- Iteration 3 --
array(2) {
[0]=>
array(1) {
[0]=>
int(2)
}
[1]=>
array(1) {
[0]=>
int(1)
}
}
-- Iteration 4 --
array(2) {
[0]=>
bool(false)
[1]=>
bool(true)
}
-- Iteration 5 --
array(0) {
}
-- Iteration 6 --
array(1) {
[0]=>
NULL
}
-- Iteration 7 --
array(6) {
[0]=>
string(1) "a"
[1]=>
string(4) "aaaa"
[2]=>
string(1) "b"
[3]=>
string(4) "bbbb"
[4]=>
string(1) "c"
[5]=>
string(5) "ccccc"
}
-- Iteration 8 --
array(3) {
[1]=>
string(3) "one"
[2]=>
string(3) "two"
[3]=>
string(5) "three"
}
-- Iteration 9 --
array(3) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
}
-- Iteration 10 --
array(4) {
[1]=>
int(10)
[2]=>
int(20)
[4]=>
int(40)
[3]=>
int(30)
}
-- Iteration 11 --
array(3) {
["one"]=>
string(3) "ten"
["two"]=>
string(6) "twenty"
["three"]=>
string(6) "thirty"
}
-- Iteration 12 --
array(3) {
["one"]=>
int(1)
[2]=>
string(3) "two"
[4]=>
string(4) "four"
}
-- Iteration 13 --
array(3) {
[""]=>
string(4) "null"
["NULL"]=>
NULL
["null"]=>
NULL
}
-- Iteration 14 --
array(4) {
[1]=>
string(4) "true"
[0]=>
string(5) "false"
["false"]=>
bool(false)
["true"]=>
bool(true)
}
-- Iteration 15 --
array(3) {
[""]=>
string(6) "emptys"
["emptyd"]=>
string(0) ""
["emptys"]=>
string(0) ""
}
-- Iteration 16 --
array(6) {
[1]=>
string(0) ""
[2]=>
string(0) ""
[3]=>
NULL
[4]=>
NULL
[5]=>
bool(false)
[6]=>
bool(true)
}
-- Iteration 17 --
array(3) {
[""]=>
int(4)
[0]=>
int(5)
[1]=>
int(6)
}
-- Iteration 18 --
array(3) {
["One"]=>
int(10)
["two"]=>
int(20)
["three"]=>
int(3)
}
Done
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