isset_basic1.phpt   [plain text]

--TEST--
Test isset() function : basic functionality 
--FILE--
<?php
/* Prototype  : bool isset  ( mixed $var  [, mixed $var  [,  $...  ]] )
 * Description:  Determine if a variable is set and is not NULL
 */		

class foo {}

echo "*** Testing isset() : basic functionality ***\n";

$i = 10;
$f = 10.5;
$s = "Hello";
$a = array(1,2,3,4,5);
$b = true;
$n = NULL;
$obj = new foo;
$res = fopen(__FILE__, "r");

echo "Integer test: " . (isset($i) ? "YES": "NO")  . "\n";
echo "Float test: " . (isset($f) ? "YES": "NO") . "\n";
echo "String test: " . (isset($s) ? "YES": "NO") . "\n";
echo "Array test: " . (isset($a) ? "YES": "NO") . "\n";
echo "Boolean test: " . (isset($b) ? "YES": "NO") . "\n";
echo "Null test: " . (isset($n) ? "YES": "NO") . "\n";
echo "Object test: " . (isset($obj) ? "YES": "NO") . "\n";
echo "Resource test: " . (isset($res) ? "YES": "NO") . "\n";

echo "\n\nUnset the variables\n\n";
unset($i, $f, $s, $a, $b, $n, $obj, $res);

echo "Integer test: " . (isset($i) ? "YES": "NO")  . "\n";
echo "Float test: " . (isset($f) ? "YES": "NO") . "\n";
echo "String test: " . (isset($s) ? "YES": "NO") . "\n";
echo "Array test: " . (isset($a) ? "YES": "NO") . "\n";
echo "Boolean test: " . (isset($b) ? "YES": "NO") . "\n";
echo "Null test: " . (isset($n) ? "YES": "NO") . "\n";
echo "Object test: " . (isset($obj) ? "YES": "NO") . "\n";
echo "Resource test: " . (isset($res) ? "YES": "NO") . "\n";
?>
===DONE===
--EXPECT--
*** Testing isset() : basic functionality ***
Integer test: YES
Float test: YES
String test: YES
Array test: YES
Boolean test: YES
Null test: NO
Object test: YES
Resource test: YES


Unset the variables

Integer test: NO
Float test: NO
String test: NO
Array test: NO
Boolean test: NO
Null test: NO
Object test: NO
Resource test: NO
===DONE===