1 files changed, 203 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_key_exists_variation1.phpt b/ext/standard/tests/array/array_key_exists_variation1.phpt
new file mode 100644
index 000000000..2f50d3e86
--- /dev/null
+++ b/ext/standard/tests/array/array_key_exists_variation1.phpt
@@ -0,0 +1,203 @@
+--TEST--
+Test array_key_exists() function : usage variations - Pass different data types as $key arg
+--FILE--
+<?php
+/* Prototype  : bool array_key_exists(mixed $key, array $search)
+ * Description: Checks if the given key or index exists in the array 
+ * Source code: ext/standard/array.c
+ * Alias to functions: key_exists
+ */
+
+/*
+ * Pass different data types as $key argument to array_key_exists() to test behaviour
+ */
+
+echo "*** Testing array_key_exists() : usage variations ***\n";
+
+// Initialise function arguments not being substituted
+$search = array ('zero', 'key' => 'val', 'two');
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "key";
+  }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+key
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $key argument
+$inputs = array(
+
+       // int data
+/*1*/  0,
+       1,
+       12345,
+       -2345,
+
+       // float data
+/*5*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5,
+
+       // null data
+/*10*/ NULL,
+       null,
+
+       // boolean data
+/*12*/ true,
+       false,
+       TRUE,
+       FALSE,
+       
+       // empty data
+/*16*/ "",
+       '',
+       array(),
+
+       // string data
+/*19*/ "key",
+       'key',
+       $heredoc,
+       
+       // object data
+/*22*/ new classA(),
+
+       // undefined data
+/*23*/ @$undefined_var,
+
+       // unset data
+/*24*/ @$unset_var,
+
+       // resource variable
+/*25*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_key_exists()
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump( array_key_exists($input, $search) );
+  $iterator++;
+};
+
+fclose($fp);
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_key_exists() : usage variations ***
+
+-- Iteration 1 --
+bool(true)
+
+-- Iteration 2 --
+bool(true)
+
+-- Iteration 3 --
+bool(false)
+
+-- Iteration 4 --
+bool(false)
+
+-- Iteration 5 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 6 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 7 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 8 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 9 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 10 --
+bool(false)
+
+-- Iteration 11 --
+bool(false)
+
+-- Iteration 12 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 13 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 14 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 15 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 16 --
+bool(false)
+
+-- Iteration 17 --
+bool(false)
+
+-- Iteration 18 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 19 --
+bool(true)
+
+-- Iteration 20 --
+bool(true)
+
+-- Iteration 21 --
+bool(true)
+
+-- Iteration 22 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+
+-- Iteration 23 --
+bool(false)
+
+-- Iteration 24 --
+bool(false)
+
+-- Iteration 25 --
+
+Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
+bool(false)
+Done
+\ No newline at end of file