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|
--TEST--
Test array_map() function : usage variations - references
--FILE--
<?php
echo "*** Testing array_map() : references ***\n";
$arr = array("k1" => "v1","k2"=>"v2");
$arr[]=&$arr["k1"];
$arr[]=&$arr;
function cb1 ($a) {var_dump ($a);return array ($a);};
var_dump( array_map("cb1", $arr));
var_dump( array_map(null, $arr));
var_dump( array_map(null, $arr, $arr));
// break cycles
$arr[0] = null;
$arr[1] = null;
echo "Done";
?>
--EXPECT--
*** Testing array_map() : references ***
string(2) "v1"
string(2) "v2"
string(2) "v1"
array(4) {
["k1"]=>
&string(2) "v1"
["k2"]=>
string(2) "v2"
[0]=>
&string(2) "v1"
[1]=>
*RECURSION*
}
array(4) {
["k1"]=>
array(1) {
[0]=>
string(2) "v1"
}
["k2"]=>
array(1) {
[0]=>
string(2) "v2"
}
[0]=>
array(1) {
[0]=>
string(2) "v1"
}
[1]=>
array(1) {
[0]=>
array(4) {
["k1"]=>
&string(2) "v1"
["k2"]=>
string(2) "v2"
[0]=>
&string(2) "v1"
[1]=>
*RECURSION*
}
}
}
array(4) {
["k1"]=>
&string(2) "v1"
["k2"]=>
string(2) "v2"
[0]=>
&string(2) "v1"
[1]=>
*RECURSION*
}
array(4) {
[0]=>
array(2) {
[0]=>
&string(2) "v1"
[1]=>
&string(2) "v1"
}
[1]=>
array(2) {
[0]=>
string(2) "v2"
[1]=>
string(2) "v2"
}
[2]=>
array(2) {
[0]=>
&string(2) "v1"
[1]=>
&string(2) "v1"
}
[3]=>
array(2) {
[0]=>
&array(4) {
["k1"]=>
&string(2) "v1"
["k2"]=>
string(2) "v2"
[0]=>
&string(2) "v1"
[1]=>
*RECURSION*
}
[1]=>
&array(4) {
["k1"]=>
&string(2) "v1"
["k2"]=>
string(2) "v2"
[0]=>
&string(2) "v1"
[1]=>
*RECURSION*
}
}
}
Done
|
