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--TEST--
Test stristr() function : usage variations - test values for $needle argument
--FILE--
<?php
echo "*** Testing stristr() function: with unexpected inputs for 'needle' argument ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
public function __toString() {
return "sample object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
// array with different values for $input
$inputs = array (
// integer values
/*1*/ 0,
1,
-2,
-PHP_INT_MAX,
// float values
/*5*/ 10.5,
-20.5,
10.1234567e10,
// array values
/*8*/ array(),
array(0),
array(1, 2),
// boolean values
/*11*/ true,
false,
TRUE,
FALSE,
// null values
/*15*/ NULL,
null,
// objects
/*17*/ new sample(),
// resource
/*18*/ $file_handle,
// undefined variable
/*19*/ @$undefined_var,
// unset variable
/*20*/ @$unset_var
);
//defining '$pad_length' argument
$pad_length = "20";
// loop through with each element of the $inputs array to test stristr() function
$count = 1;
foreach($inputs as $input) {
echo "-- Iteration $count --\n";
try {
var_dump( stristr("Hello World", $input) );
} catch (TypeError $e) {
echo $e->getMessage(), "\n";
}
$count ++;
}
fclose($file_handle); //closing the file handle
?>
--EXPECT--
*** Testing stristr() function: with unexpected inputs for 'needle' argument ***
-- Iteration 1 --
bool(false)
-- Iteration 2 --
bool(false)
-- Iteration 3 --
bool(false)
-- Iteration 4 --
bool(false)
-- Iteration 5 --
bool(false)
-- Iteration 6 --
bool(false)
-- Iteration 7 --
bool(false)
-- Iteration 8 --
stristr(): Argument #2 ($needle) must be of type string, array given
-- Iteration 9 --
stristr(): Argument #2 ($needle) must be of type string, array given
-- Iteration 10 --
stristr(): Argument #2 ($needle) must be of type string, array given
-- Iteration 11 --
bool(false)
-- Iteration 12 --
string(11) "Hello World"
-- Iteration 13 --
bool(false)
-- Iteration 14 --
string(11) "Hello World"
-- Iteration 15 --
string(11) "Hello World"
-- Iteration 16 --
string(11) "Hello World"
-- Iteration 17 --
bool(false)
-- Iteration 18 --
stristr(): Argument #2 ($needle) must be of type string, resource given
-- Iteration 19 --
string(11) "Hello World"
-- Iteration 20 --
string(11) "Hello World"
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