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|
--TEST--
Test array_filter() function : usage variations - 'input' array containing references
--FILE--
<?php
/* Prototype : array array_filter(array $input [, callback $callback])
* Description: Filters elements from the array via the callback.
* Source code: ext/standard/array.c
*/
/*
* Passing 'input' array which contains elements as reference to other data
*/
echo "*** Testing array_filter() : usage variations - 'input' containing references ***\n";
// Callback function
/* Prototype : bool callback(array $input)
* Parameter : $input - array of which each element need to be checked in function
* Return Type : returns true or false
* Description : This function checks each element of an input array if element > 5 then
* returns true else returns false
*/
function callback($input)
{
if($input > 5) {
return true;
}
else {
return false;
}
}
// initializing variables
$value1 = array(1, 2, 8);
$value2 = array(5, 6, 4);
$input = array(&$value1, 10, &$value2, 'value');
// with 'callback' argument
var_dump( array_filter($input, 'callback') );
// with default 'callback' argument
var_dump( array_filter($input) );
echo "Done"
?>
--EXPECT--
*** Testing array_filter() : usage variations - 'input' containing references ***
array(3) {
[0]=>
&array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(8)
}
[1]=>
int(10)
[2]=>
&array(3) {
[0]=>
int(5)
[1]=>
int(6)
[2]=>
int(4)
}
}
array(4) {
[0]=>
&array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(8)
}
[1]=>
int(10)
[2]=>
&array(3) {
[0]=>
int(5)
[1]=>
int(6)
[2]=>
int(4)
}
[3]=>
string(5) "value"
}
Done
|
