--TEST--
Test function gzfile() by substituting argument 2 with emptyUnsetUndefNull values.
--SKIPIF--
<?php
if (!extension_loaded('zlib')) die ('skip zlib extension not available in this build');
?>
--FILE--
<?php


$filename = dirname(__FILE__)."/004.txt.gz";


$unset_var = 10;
unset($unset_var);

$variation = array(
  'unset var' => @$unset_var,
  'undefined var' => @$undefined_var,
  'empty string DQ' => "",
  'empty string SQ' => '',
  'uppercase NULL' => NULL,
  'lowercase null' => null,
  );


foreach ( $variation as $var ) {
  var_dump(gzfile( $filename, $var  ) );
}
?>
===DONE===
--EXPECTF--
array(6) {
  [0]=>
  string(36) "When you're taught through feelings
"
  [1]=>
  string(26) "Destiny flying high above
"
  [2]=>
  string(38) "all I know is that you can realize it
"
  [3]=>
  string(18) "Destiny who cares
"
  [4]=>
  string(19) "as it turns around
"
  [5]=>
  string(39) "and I know that it descends down on me
"
}
array(6) {
  [0]=>
  string(36) "When you're taught through feelings
"
  [1]=>
  string(26) "Destiny flying high above
"
  [2]=>
  string(38) "all I know is that you can realize it
"
  [3]=>
  string(18) "Destiny who cares
"
  [4]=>
  string(19) "as it turns around
"
  [5]=>
  string(39) "and I know that it descends down on me
"
}

Warning: gzfile() expects parameter 2 to be int, string given in %s on line %d
NULL

Warning: gzfile() expects parameter 2 to be int, string given in %s on line %d
NULL
array(6) {
  [0]=>
  string(36) "When you're taught through feelings
"
  [1]=>
  string(26) "Destiny flying high above
"
  [2]=>
  string(38) "all I know is that you can realize it
"
  [3]=>
  string(18) "Destiny who cares
"
  [4]=>
  string(19) "as it turns around
"
  [5]=>
  string(39) "and I know that it descends down on me
"
}
array(6) {
  [0]=>
  string(36) "When you're taught through feelings
"
  [1]=>
  string(26) "Destiny flying high above
"
  [2]=>
  string(38) "all I know is that you can realize it
"
  [3]=>
  string(18) "Destiny who cares
"
  [4]=>
  string(19) "as it turns around
"
  [5]=>
  string(39) "and I know that it descends down on me
"
}
===DONE===