--TEST-- Test file() function : third parameter variation --FILE-- 1, 'two' => 2); // create a file stream resource $tmp_filename = __FILE__ . ".tmp2"; $file_stream_resource = fopen($tmp_filename, "w+"); //array of values to iterate over $inputs = array( // int data 'int 0' => 0, 'int 1' => 1, 'int 12345' => 12345, 'int -12345' => -2345, // float data 'float 10.5' => 10.5, 'float -10.5' => -10.5, 'float 12.3456789000e10' => 12.3456789000e10, 'float -12.3456789000e10' => -12.3456789000e10, 'float .5' => .5, // array data 'empty array' => array(), 'int indexed array' => $index_array, 'associative array' => $assoc_array, 'nested arrays' => array('foo', $index_array, $assoc_array), // null data 'uppercase NULL' => NULL, 'lowercase null' => null, // boolean data 'lowercase true' => true, 'lowercase false' =>false, 'uppercase TRUE' =>TRUE, 'uppercase FALSE' =>FALSE, // empty data 'empty string DQ' => "", 'empty string SQ' => '', // string data 'string DQ' => "string", 'string SQ' => 'string', 'mixed case string' => "sTrInG", 'heredoc' => $heredoc, // object data 'instance of classWithToString' => new classWithToString(), 'instance of classWithoutToString' => new classWithoutToString(), // undefined data 'undefined var' => @$undefined_var, // unset data 'unset var' => @$unset_var, // file stream resource 'file stream resource' => $file_stream_resource, ); // loop through each element of the array for context foreach($inputs as $key =>$value) { echo "\n--$key--\n"; var_dump( file($filename, $flags, $value) ); }; fclose($file_stream_resource); unlink($tmp_filename); unlink($filename); ?> ===DONE=== --EXPECTF-- *** Testing file() : usage variation *** --int 0-- Error: 2 - file() expects parameter 3 to be resource, int given, %s(%d) NULL --int 1-- Error: 2 - file() expects parameter 3 to be resource, int given, %s(%d) NULL --int 12345-- Error: 2 - file() expects parameter 3 to be resource, int given, %s(%d) NULL --int -12345-- Error: 2 - file() expects parameter 3 to be resource, int given, %s(%d) NULL --float 10.5-- Error: 2 - file() expects parameter 3 to be resource, float given, %s(%d) NULL --float -10.5-- Error: 2 - file() expects parameter 3 to be resource, float given, %s(%d) NULL --float 12.3456789000e10-- Error: 2 - file() expects parameter 3 to be resource, float given, %s(%d) NULL --float -12.3456789000e10-- Error: 2 - file() expects parameter 3 to be resource, float given, %s(%d) NULL --float .5-- Error: 2 - file() expects parameter 3 to be resource, float given, %s(%d) NULL --empty array-- Error: 2 - file() expects parameter 3 to be resource, array given, %s(%d) NULL --int indexed array-- Error: 2 - file() expects parameter 3 to be resource, array given, %s(%d) NULL --associative array-- Error: 2 - file() expects parameter 3 to be resource, array given, %s(%d) NULL --nested arrays-- Error: 2 - file() expects parameter 3 to be resource, array given, %s(%d) NULL --uppercase NULL-- array(3) { [0]=> string(7) "Line 1 " [1]=> string(7) "Line 2 " [2]=> string(6) "Line 3" } --lowercase null-- array(3) { [0]=> string(7) "Line 1 " [1]=> string(7) "Line 2 " [2]=> string(6) "Line 3" } --lowercase true-- Error: 2 - file() expects parameter 3 to be resource, bool given, %s(%d) NULL --lowercase false-- Error: 2 - file() expects parameter 3 to be resource, bool given, %s(%d) NULL --uppercase TRUE-- Error: 2 - file() expects parameter 3 to be resource, bool given, %s(%d) NULL --uppercase FALSE-- Error: 2 - file() expects parameter 3 to be resource, bool given, %s(%d) NULL --empty string DQ-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --empty string SQ-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --string DQ-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --string SQ-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --mixed case string-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --heredoc-- Error: 2 - file() expects parameter 3 to be resource, string given, %s(%d) NULL --instance of classWithToString-- Error: 2 - file() expects parameter 3 to be resource, object given, %s(%d) NULL --instance of classWithoutToString-- Error: 2 - file() expects parameter 3 to be resource, object given, %s(%d) NULL --undefined var-- array(3) { [0]=> string(7) "Line 1 " [1]=> string(7) "Line 2 " [2]=> string(6) "Line 3" } --unset var-- array(3) { [0]=> string(7) "Line 1 " [1]=> string(7) "Line 2 " [2]=> string(6) "Line 3" } --file stream resource-- Error: 2 - file(): supplied resource is not a valid Stream-Context resource, %s(%d) array(3) { [0]=> string(7) "Line 1 " [1]=> string(7) "Line 2 " [2]=> string(6) "Line 3" } ===DONE===