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--TEST-- Test addslashes() function : usage variations - non-string type argument --FILE-- <?php /* Prototype : string addslashes ( string $str ) * Description: Returns a string with backslashes before characters that need to be quoted in database queries etc. * Source code: ext/standard/string.c */ /* * Test addslashes() with non-string type argument such as int, float, etc */ echo "*** Testing addslashes() : with non-string type argument ***\n"; // initialize all required variables // get an unset variable $unset_var = 'string_val'; unset($unset_var); // declaring a class class sample { public function __toString() { return "obj'ct"; } } // Defining resource $file_handle = fopen(__FILE__, 'r'); // array with different values $values = array ( // integer values /*1*/ 0, 1, 12345, -2345, // float values /*5*/ 10.5, -10.5, 10.1234567e10, 10.7654321E-10, .5, // array values /*10*/ array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // boolean values /*15*/ true, false, TRUE, FALSE, // empty string /*19*/ "", '', // undefined variable /*21*/ $undefined_var, // unset variable /*22*/ $unset_var, // objects /*23*/ new sample(), // resource /*24*/ $file_handle, /*25*/ NULL, null ); // loop through each element of the array and check the working of addslashes() // when $str argument is supplied with different values echo "\n--- Testing addslashes() by supplying different values for 'str' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $str = $values [$index]; var_dump( addslashes($str) ); $counter ++; } // closing the file fclose($file_handle); ?> ===DONE=== --EXPECTF-- *** Testing addslashes() : with non-string type argument *** Notice: Undefined variable: undefined_var in %s on line %d Notice: Undefined variable: unset_var in %s on line %d --- Testing addslashes() by supplying different values for 'str' argument --- -- Iteration 1 -- string(1) "0" -- Iteration 2 -- string(1) "1" -- Iteration 3 -- string(5) "12345" -- Iteration 4 -- string(5) "-2345" -- Iteration 5 -- string(4) "10.5" -- Iteration 6 -- string(5) "-10.5" -- Iteration 7 -- string(12) "101234567000" -- Iteration 8 -- string(13) "1.07654321E-9" -- Iteration 9 -- string(3) "0.5" -- Iteration 10 -- Warning: addslashes() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 11 -- Warning: addslashes() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 12 -- Warning: addslashes() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 13 -- Warning: addslashes() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 14 -- Warning: addslashes() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 15 -- string(1) "1" -- Iteration 16 -- string(0) "" -- Iteration 17 -- string(1) "1" -- Iteration 18 -- string(0) "" -- Iteration 19 -- string(0) "" -- Iteration 20 -- string(0) "" -- Iteration 21 -- string(0) "" -- Iteration 22 -- string(0) "" -- Iteration 23 -- string(7) "obj\'ct" -- Iteration 24 -- Warning: addslashes() expects parameter 1 to be string, resource given in %s on line %d NULL -- Iteration 25 -- string(0) "" -- Iteration 26 -- string(0) "" ===DONE===