--- /dev/null
+--TEST--
+call_user_func_array() passes by reference if the array element is referenced, regardless of function signature.
+--FILE--
+<?php
+
+function by_val($arg) {
+ $arg = 'changed';
+}
+
+function by_ref(&$arg) {
+ $arg = 'changed';
+}
+
+echo "------ Calling by_val() with unreferenced argument ------\n";
+$arg = array('original');
+call_user_func_array('by_val', $arg);
+var_dump($arg);
+
+echo "------ Calling by_ref() with unreferenced argument ------\n";
+$arg = array('original');
+call_user_func_array('by_ref', $arg);
+var_dump($arg);
+
+echo "------ Calling by_val() with referenced argument ------\n";
+$arg = array('original');
+$ref = &$arg[0];
+call_user_func_array('by_val', $arg);
+var_dump($arg);
+
+echo "------ Calling by_ref() with referenced argument ------\n";
+$arg = array('original');
+$ref = &$arg[0];
+call_user_func_array('by_ref', $arg);
+var_dump($arg);
+
+?>
+--EXPECTF--
+------ Calling by_val() with unreferenced argument ------
+array(1) {
+ [0]=>
+ %string|unicode%(8) "original"
+}
+------ Calling by_ref() with unreferenced argument ------
+
+Warning: Parameter 1 to by_ref() expected to be a reference, value given in %s on line %d
+array(1) {
+ [0]=>
+ %string|unicode%(8) "original"
+}
+------ Calling by_val() with referenced argument ------
+array(1) {
+ [0]=>
+ &%string|unicode%(7) "changed"
+}
+------ Calling by_ref() with referenced argument ------
+array(1) {
+ [0]=>
+ &%string|unicode%(7) "changed"
+}
--- /dev/null
+--TEST--
+Test call_user_func_array() function : first parameter variation
+--FILE--
+<?php
+/* Prototype : mixed call_user_func_array(string function_name, array parameters)
+ * Description: Call a user function which is the first parameter with the arguments contained in array
+ * Source code: ext/standard/basic_functions.c
+ * Alias to functions:
+ */
+
+echo "*** Testing call_user_func_array() : 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)
+$parameters = array(1, 2);
+
+//get an unset variable
+$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, $assoc_array),
+
+ // null data
+ 'uppercase NULL' => NULL,
+ 'lowercase null' => null,
+
+ // boolean data
+ 'lowercase true' => true,
+ 'lowercase false' =>false,
+ 'uppercase TRUE' =>TRUE,
+ 'uppercase FALSE' =>FALSE,
+
+ // empty data
+ 'empty string DQ' => "",
+ 'empty string SQ' => '',
+
+ // object data
+ 'instance of classWithToString' => new classWithToString(),
+ 'instance of classWithoutToString' => new classWithoutToString(),
+
+ // undefined data
+ 'undefined var' => @$undefined_var,
+
+ // unset data
+ 'unset var' => @$unset_var,
+);
+
+// loop through each element of the array for function_name
+
+foreach($inputs as $key =>$value) {
+ echo "\n--$key--\n";
+ var_dump( call_user_func_array($value, $parameters) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing call_user_func_array() : usage variation ***
+
+--int 0--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--int 1--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--int 12345--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--int -12345--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--float 10.5--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--float -10.5--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--float 12.3456789000e10--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--float -12.3456789000e10--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--float .5--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--empty array--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, array must have exactly two members, %s(%d)
+NULL
+
+--int indexed array--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, array must have exactly two members, %s(%d)
+NULL
+
+--associative array--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object, %s(%d)
+NULL
+
+--nested arrays--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, array must have exactly two members, %s(%d)
+NULL
+
+--uppercase NULL--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--lowercase null--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--lowercase true--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--lowercase false--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--uppercase TRUE--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--uppercase FALSE--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--empty string DQ--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, function '' not found or invalid function name, %s(%d)
+NULL
+
+--empty string SQ--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, function '' not found or invalid function name, %s(%d)
+NULL
+
+--instance of classWithToString--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--instance of classWithoutToString--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--undefined var--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+
+--unset var--
+Error: 2 - call_user_func_array() expects parameter 1 to be a valid callback, no array or string given, %s(%d)
+NULL
+===DONE===
--- /dev/null
+--TEST--
+Test call_user_func_array() function : second parameter variation
+--FILE--
+<?php
+/* Prototype : mixed call_user_func_array(string function_name, array parameters)
+ * Description: Call a user function which is the first parameter with the arguments contained in array
+ * Source code: ext/standard/basic_functions.c
+ * Alias to functions:
+ */
+
+echo "*** Testing call_user_func_array() : 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)
+function test_func() {
+}
+$function_name = 'test_func';
+
+//get an unset variable
+$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,
+
+ // 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' => @$unset_var,
+);
+
+// loop through each element of the array for parameters
+
+foreach($inputs as $key =>$value) {
+ echo "\n--$key--\n";
+ var_dump( call_user_func_array($function_name, $value) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing call_user_func_array() : usage variation ***
+
+--int 0--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, integer given, %s(%d)
+NULL
+
+--int 1--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, integer given, %s(%d)
+NULL
+
+--int 12345--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, integer given, %s(%d)
+NULL
+
+--int -12345--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, integer given, %s(%d)
+NULL
+
+--float 10.5--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, double given, %s(%d)
+NULL
+
+--float -10.5--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, double given, %s(%d)
+NULL
+
+--float 12.3456789000e10--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, double given, %s(%d)
+NULL
+
+--float -12.3456789000e10--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, double given, %s(%d)
+NULL
+
+--float .5--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, double given, %s(%d)
+NULL
+
+--uppercase NULL--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, null given, %s(%d)
+NULL
+
+--lowercase null--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, null given, %s(%d)
+NULL
+
+--lowercase true--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, boolean given, %s(%d)
+NULL
+
+--lowercase false--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, boolean given, %s(%d)
+NULL
+
+--uppercase TRUE--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, boolean given, %s(%d)
+NULL
+
+--uppercase FALSE--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, boolean given, %s(%d)
+NULL
+
+--empty string DQ--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--empty string SQ--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--string DQ--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--string SQ--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--mixed case string--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--heredoc--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, %unicode_string_optional% given, %s(%d)
+NULL
+
+--instance of classWithToString--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, object given, %s(%d)
+NULL
+
+--instance of classWithoutToString--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, object given, %s(%d)
+NULL
+
+--undefined var--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, null given, %s(%d)
+NULL
+
+--unset var--
+Error: 2 - call_user_func_array() expects parameter 2 to be array, null given, %s(%d)
+NULL
+===DONE===