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|
--TEST--
Test array_diff() function : usage variations - array with different data types as values
--FILE--
<?php
/* Prototype : array array_diff(array $arr1, array $arr2 [, array ...])
* Description: Returns the entries of $arr1 that have values which are not
* present in any of the others arguments.
* Source code: ext/standard/array.c
*/
/*
* Test how array_diff() compares indexed arrays containing different
* data types as values in place of $arr1
*/
echo "*** Testing array_diff() : usage variations ***\n";
// Initialise function arguments not being substituted (if any)
$array = array(1, 2);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//get heredoc
$heredoc = <<<END
This is a heredoc
END;
//array of values to iterate over
$values = array(
/*1*/"empty array" => array(),
/*2*/
"int" => array(
// int data
0,
1,
12345,
-2345),
/*3*/
"float" => array(
// float data
10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5),
/*4*/
"null" => array(
// null data
NULL,
null),
/*5*/
"boolean" => array(
// boolean data
true,
false,
TRUE,
FALSE),
/*6*/
"empty" => array(
// empty data
"",
''),
/*7*/
"string" => array(
// string data
"string",
'string',
$heredoc),
/*8*/
"binary" => array(
// binary data
b"binary",
(binary)"binary"),
/*9*/
"undefined" => array(
// undefined data
@$undefined_var),
/*10*/
"unset" => array(
// unset data
@$unset_var)
);
// loop through each element of the array for arr1
$iterator = 1;
foreach($values as $value) {
echo "\n Iteration: $iterator \n";
var_dump( array_diff($value, $array) );
$iterator++;
};
echo "Done";
?>
--EXPECTF--
*** Testing array_diff() : usage variations ***
Iteration: 1
array(0) {
}
Iteration: 2
array(3) {
[0]=>
int(0)
[2]=>
int(12345)
[3]=>
int(-2345)
}
Iteration: 3
array(5) {
[0]=>
float(10.5)
[1]=>
float(-10.5)
[2]=>
float(123456789000)
[3]=>
float(1.23456789E-9)
[4]=>
float(0.5)
}
Iteration: 4
array(2) {
[0]=>
NULL
[1]=>
NULL
}
Iteration: 5
array(2) {
[1]=>
bool(false)
[3]=>
bool(false)
}
Iteration: 6
array(2) {
[0]=>
string(0) ""
[1]=>
string(0) ""
}
Iteration: 7
array(3) {
[0]=>
string(6) "string"
[1]=>
string(6) "string"
[2]=>
string(17) "This is a heredoc"
}
Iteration: 8
array(2) {
[0]=>
string(6) "binary"
[1]=>
string(6) "binary"
}
Iteration: 9
array(1) {
[0]=>
NULL
}
Iteration: 10
array(1) {
[0]=>
NULL
}
Done
|
