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diff --git a/ext/standard/tests/file/readfile_variation5.phpt b/ext/standard/tests/file/readfile_variation5.phpt
new file mode 100644
index 0000000000..21856f8135
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+++ b/ext/standard/tests/file/readfile_variation5.phpt
@@ -0,0 +1,221 @@
+--TEST--
+Test readfile() function : usage variation 
+--CREDITS--
+Dave Kelsey <d_kelsey@uk.ibm.com>
+--FILE--
+<?php
+/* Prototype  : int readfile(string filename [, bool use_include_path[, resource context]])
+ * Description: Output a file or a URL 
+ * Source code: ext/standard/file.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing readfile() : usage variation ***\n";
+
+// Define error handler
+function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
+	if (error_reporting() != 0) {
+		// report non-silenced errors
+		echo "Error: $err_no - $err_msg, $filename($linenum)\n";
+	}
+}
+set_error_handler('test_error_handler');
+
+// Initialise function arguments not being substituted (if any)
+$filename = 'readFileVar5.tmp';
+$use_include_path = false;
+$h = fopen($filename,'wb');
+fwrite($h, "testing readfile");
+fclose($h);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// add arrays
+$index_array = array (1, 2, 3);
+$assoc_array = array ('one' => 1, 'two' => 2);
+
+//array of values to iterate over
+$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' => @$unset_var,
+);
+
+// loop through each element of the array for use_include_path
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      $res = readfile($filename, $value);
+      if ($res == false) {
+         echo "File not read\n";
+      }
+      else {
+         echo "\n";
+      }
+};
+
+unlink($filename);
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing readfile() : usage variation ***
+
+--int 0--
+testing readfile
+
+--int 1--
+testing readfile
+
+--int 12345--
+testing readfile
+
+--int -12345--
+testing readfile
+
+--float 10.5--
+testing readfile
+
+--float -10.5--
+testing readfile
+
+--float 12.3456789000e10--
+testing readfile
+
+--float -12.3456789000e10--
+testing readfile
+
+--float .5--
+testing readfile
+
+--empty array--
+Error: 2 - readfile() expects parameter 2 to be boolean, array given, %s(%d)
+File not read
+
+--int indexed array--
+Error: 2 - readfile() expects parameter 2 to be boolean, array given, %s(%d)
+File not read
+
+--associative array--
+Error: 2 - readfile() expects parameter 2 to be boolean, array given, %s(%d)
+File not read
+
+--nested arrays--
+Error: 2 - readfile() expects parameter 2 to be boolean, array given, %s(%d)
+File not read
+
+--uppercase NULL--
+testing readfile
+
+--lowercase null--
+testing readfile
+
+--lowercase true--
+testing readfile
+
+--lowercase false--
+testing readfile
+
+--uppercase TRUE--
+testing readfile
+
+--uppercase FALSE--
+testing readfile
+
+--empty string DQ--
+testing readfile
+
+--empty string SQ--
+testing readfile
+
+--string DQ--
+testing readfile
+
+--string SQ--
+testing readfile
+
+--mixed case string--
+testing readfile
+
+--heredoc--
+testing readfile
+
+--instance of classWithToString--
+Error: 2 - readfile() expects parameter 2 to be boolean, object given, %s(%d)
+File not read
+
+--instance of classWithoutToString--
+Error: 2 - readfile() expects parameter 2 to be boolean, object given, %s(%d)
+File not read
+
+--undefined var--
+testing readfile
+
+--unset var--
+testing readfile
+===DONE===