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|
--TEST--
Test is_a() function : usage variations - wrong type for arg 2
--INI--
error_reporting=E_ALL | E_STRICT | E_DEPRECATED
--FILE--
<?php
/* Prototype : proto bool is_a(object object, string class_name)
* Description: Returns true if the object is of this class or has this class as one of its parents
* Source code: Zend/zend_builtin_functions.c
* Alias to functions:
*/
class C {
function __toString() {
return "C Instance";
}
}
echo "*** Testing is_a() : usage variations ***\n";
// Initialise function arguments not being substituted (if any)
$object = new stdclass();
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//array of values to iterate over
$values = array(
// int data
0,
1,
12345,
-2345,
// float data
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// array data
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// null data
NULL,
null,
// boolean data
true,
false,
TRUE,
FALSE,
// empty data
"",
'',
// object data
new C,
// undefined data
$undefined_var,
// unset data
$unset_var,
);
// loop through each element of the array for class_name
foreach($values as $value) {
echo @"\nArg value $value \n";
var_dump( is_a($object, $value) );
};
echo "Done";
?>
--EXPECTF--
*** Testing is_a() : usage variations ***
Notice: Undefined variable: undefined_var in %s on line 64
Notice: Undefined variable: unset_var in %s on line 67
Arg value 0
bool(false)
Arg value 1
bool(false)
Arg value 12345
bool(false)
Arg value -2345
bool(false)
Arg value 10.5
bool(false)
Arg value -10.5
bool(false)
Arg value 101234567000
bool(false)
Arg value 1.07654321E-9
bool(false)
Arg value 0.5
bool(false)
Arg value Array
Warning: is_a() expects parameter 2 to be string, array given in %s on line %d
NULL
Arg value Array
Warning: is_a() expects parameter 2 to be string, array given in %s on line %d
NULL
Arg value Array
Warning: is_a() expects parameter 2 to be string, array given in %s on line %d
NULL
Arg value Array
Warning: is_a() expects parameter 2 to be string, array given in %s on line %d
NULL
Arg value Array
Warning: is_a() expects parameter 2 to be string, array given in %s on line %d
NULL
Arg value
bool(false)
Arg value
bool(false)
Arg value 1
bool(false)
Arg value
bool(false)
Arg value 1
bool(false)
Arg value
bool(false)
Arg value
bool(false)
Arg value
bool(false)
Arg value C Instance
bool(false)
Arg value
bool(false)
Arg value
bool(false)
Done
|
