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--TEST-- Test strtok() function : usage variations - with different token strings --FILE-- <?php /* Prototype : string strtok ( str $str, str $token ) * Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token * Source code: ext/standard/string.c */ /* * Testing strtok() : with different token strings */ echo "*** Testing strtok() : with different token strings ***\n"; // initialize all required variables $str = 'this testcase test strtok() function '; // get an unset variable $unset_var = 'string_val'; unset($unset_var); // declaring a class class sample { public function __toString() { return "obj-ect"; } } // Defining resource $file_handle = fopen(__FILE__, 'r'); // array with different values $values = array ( // integer values 0, 1, 12345, -2345, // float values 10.5, -10.5, 10.5e10, 10.6E-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 sample(), // empty string "", '', // null vlaues NULL, null, // undefined variable $undefined_var, // unset variable $unset_var, // resource $file_handle ); // loop through each element of the array and check the working of strtok() // when $token argument is supplied with different values echo "\n--- Testing strtok() by supplying different values for 'token' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $token = $values [$index]; var_dump( strtok($str, $token) ); $counter ++; } // closing the resource fclose($file_handle); echo "Done\n"; ?> --EXPECTF-- *** Testing strtok() : with different token strings *** Notice: Undefined variable: undefined_var in %s on line %d Notice: Undefined variable: unset_var in %s on line %d --- Testing strtok() by supplying different values for 'token' argument --- -- Iteration 1 -- string(37) "this testcase test strtok() function " -- Iteration 2 -- string(37) "this testcase test strtok() function " -- Iteration 3 -- string(37) "this testcase test strtok() function " -- Iteration 4 -- string(37) "this testcase test strtok() function " -- Iteration 5 -- string(37) "this testcase test strtok() function " -- Iteration 6 -- string(37) "this testcase test strtok() function " -- Iteration 7 -- string(37) "this testcase test strtok() function " -- Iteration 8 -- string(37) "this testcase test strtok() function " -- Iteration 9 -- string(37) "this testcase test strtok() function " -- Iteration 10 -- Warning: strtok() expects parameter 2 to be string, array given in %s on line %d NULL -- Iteration 11 -- Warning: strtok() expects parameter 2 to be string, array given in %s on line %d NULL -- Iteration 12 -- Warning: strtok() expects parameter 2 to be string, array given in %s on line %d NULL -- Iteration 13 -- Warning: strtok() expects parameter 2 to be string, array given in %s on line %d NULL -- Iteration 14 -- Warning: strtok() expects parameter 2 to be string, array given in %s on line %d NULL -- Iteration 15 -- string(37) "this testcase test strtok() function " -- Iteration 16 -- string(37) "this testcase test strtok() function " -- Iteration 17 -- string(37) "this testcase test strtok() function " -- Iteration 18 -- string(37) "this testcase test strtok() function " -- Iteration 19 -- string(4) "his " -- Iteration 20 -- string(37) "this testcase test strtok() function " -- Iteration 21 -- string(37) "this testcase test strtok() function " -- Iteration 22 -- string(37) "this testcase test strtok() function " -- Iteration 23 -- string(37) "this testcase test strtok() function " -- Iteration 24 -- string(37) "this testcase test strtok() function " -- Iteration 25 -- string(37) "this testcase test strtok() function " -- Iteration 26 -- Warning: strtok() expects parameter 2 to be string, resource given in %s on line %d NULL Done