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|
--TEST--
Test join() function : usage variations - unexpected values for 'glue' argument
--FILE--
<?php
/* Prototype : string join( string $glue, array $pieces )
* Description: Join array elements with a string
* Source code: ext/standard/string.c
* Alias of function: implode()
*/
/*
* testing join() by passing different unexpected value for glue argument
*/
echo "*** Testing join() : usage variations ***\n";
// initialize all required variables
$pieces = array("element1", "element2");
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
// get a resource variable
$fp = fopen(__FILE__, "r");
// define a class
class test
{
var $t = 10;
function __toString() {
return "testObject";
}
}
// array with different values
$values = array (
// integer values
0,
1,
12345,
-2345,
// float values
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// objects
new test(),
// empty string
"",
'',
// null vlaues
NULL,
null,
// resource variable
$fp,
// undefined variable
@$undefined_var,
// unset variable
@$unset_var
);
// loop through each element of the array and check the working of join()
// when $glue argument is supplied with different values
echo "\n--- Testing join() by supplying different values for 'glue' argument ---\n";
$counter = 1;
for($index = 0; $index < count($values); $index ++) {
echo "-- Iteration $counter --\n";
$glue = $values [$index];
var_dump( join($glue, $pieces) );
$counter ++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing join() : usage variations ***
--- Testing join() by supplying different values for 'glue' argument ---
-- Iteration 1 --
string(17) "element10element2"
-- Iteration 2 --
string(17) "element11element2"
-- Iteration 3 --
string(21) "element112345element2"
-- Iteration 4 --
string(21) "element1-2345element2"
-- Iteration 5 --
string(20) "element110.5element2"
-- Iteration 6 --
string(21) "element1-10.5element2"
-- Iteration 7 --
string(28) "element1101234567000element2"
-- Iteration 8 --
string(29) "element11.07654321E-9element2"
-- Iteration 9 --
string(19) "element10.5element2"
-- Iteration 10 --
Notice: Array to string conversion in %s on line %d
string(0) ""
-- Iteration 11 --
Notice: Array to string conversion in %s on line %d
string(1) "0"
-- Iteration 12 --
Notice: Array to string conversion in %s on line %d
string(1) "1"
-- Iteration 13 --
Notice: Array to string conversion in %s on line %d
string(7) "1Array2"
-- Iteration 14 --
Notice: Array to string conversion in %s on line %d
string(11) "redArraypen"
-- Iteration 15 --
string(17) "element11element2"
-- Iteration 16 --
string(16) "element1element2"
-- Iteration 17 --
string(17) "element11element2"
-- Iteration 18 --
string(16) "element1element2"
-- Iteration 19 --
string(26) "element1testObjectelement2"
-- Iteration 20 --
string(16) "element1element2"
-- Iteration 21 --
string(16) "element1element2"
-- Iteration 22 --
string(16) "element1element2"
-- Iteration 23 --
string(16) "element1element2"
-- Iteration 24 --
string(%d) "element1Resource id #%delement2"
-- Iteration 25 --
string(16) "element1element2"
-- Iteration 26 --
string(16) "element1element2"
Done
|
