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|
--TEST--
Test array_merge() function : usage variations - Pass different data types to $arr1 arg
--FILE--
<?php
/*
* Pass different data types as $arr1 argument to test behaviour
*/
echo "*** Testing array_merge() : usage variations ***\n";
// Initialise function arguments not being substituted
$arr2 = array (1, 2);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// get a class
class classA
{
public function __toString() {
return "Class A object";
}
}
// heredoc string
$heredoc = <<<EOT
hello world
EOT;
// get a resource variable
$fp = fopen(__FILE__, "r");
// unexpected values to be passed to $arr1 argument
$inputs = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
// float data
/*5*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*10*/ NULL,
null,
// boolean data
/*12*/ true,
false,
TRUE,
FALSE,
// empty data
/*16*/ "",
'',
array(),
// string data
/*19*/ "string",
'string',
$heredoc,
// object data
/*22*/ new classA(),
// undefined data
/*23*/ @$undefined_var,
// unset data
/*24*/ @$unset_var,
// resource variable
/*25*/ $fp
);
// loop through each element of $inputs to check the behavior of array_merge()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump( array_merge($input, $arr2) );
$iterator++;
};
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_merge() : usage variations ***
-- Iteration 1 --
Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, int given in %s:%d
Stack trace:
#0 %s(%d): array_merge(0, Array)
#1 {main}
thrown in %s on line %d
|
