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--TEST-- Test dir() function : usage variations - unexpected value for 'dir' argument --SKIPIF-- <?php if (substr(PHP_OS, 0, 3) == 'WIN') { die('skip.. Not valid for Windows'); } ?> --FILE-- <?php /* * Prototype : object dir(string $directory[, resource $context]) * Description: Directory class with properties, handle and class and methods read, rewind and close * Source code: ext/standard/dir.c */ /* * Passing non string values to 'directory' argument of dir() and see * that the function outputs proper warning messages wherever expected. */ echo "*** Testing dir() : unexpected values for \$directory argument ***\n"; // get an unset variable $unset_var = 10; unset($unset_var); class A { public $var; public function init() { $this->var = 10; } } // get a resource variable $fp = fopen(__FILE__, "r"); // get a file handle $dfp = opendir( dirname(__FILE__) ); // get a dir handle // unexpected values to be passed to $directory argument $unexpected_values = array ( // array data /*1*/ array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // null data /*6*/ NULL, null, // boolean data /*8*/ true, false, TRUE, FALSE, // empty data /*12*/ "", '', // undefined data /*14*/ @$undefined_var, // unset data /*15*/ @$unset_var, // resource variable(dir and file handle) /*16*/ $fp, $dfp, // object data /*18*/ new A() ); // loop through various elements of $unexpected_values to check the behavior of dir() $iterator = 1; foreach( $unexpected_values as $unexpected_value ) { echo "\n-- Iteration $iterator --\n"; var_dump( dir($unexpected_value) ); $iterator++; } fclose($fp); closedir($dfp); echo "Done"; ?> --EXPECTF-- *** Testing dir() : unexpected values for $directory argument *** -- Iteration 1 -- Warning: dir() expects parameter 1 to be a valid path, array given in %s on line %d NULL -- Iteration 2 -- Warning: dir() expects parameter 1 to be a valid path, array given in %s on line %d NULL -- Iteration 3 -- Warning: dir() expects parameter 1 to be a valid path, array given in %s on line %d NULL -- Iteration 4 -- Warning: dir() expects parameter 1 to be a valid path, array given in %s on line %d NULL -- Iteration 5 -- Warning: dir() expects parameter 1 to be a valid path, array given in %s on line %d NULL -- Iteration 6 -- bool(false) -- Iteration 7 -- bool(false) -- Iteration 8 -- Warning: dir(1): failed to open dir: %s in %s on line %d bool(false) -- Iteration 9 -- bool(false) -- Iteration 10 -- Warning: dir(1): failed to open dir: %s in %s on line %d bool(false) -- Iteration 11 -- bool(false) -- Iteration 12 -- bool(false) -- Iteration 13 -- bool(false) -- Iteration 14 -- bool(false) -- Iteration 15 -- bool(false) -- Iteration 16 -- Warning: dir() expects parameter 1 to be a valid path, resource given in %s on line %d NULL -- Iteration 17 -- Warning: dir() expects parameter 1 to be a valid path, resource given in %s on line %d NULL -- Iteration 18 -- Warning: dir() expects parameter 1 to be a valid path, object given in %s on line %d NULL Done