--TEST-- Test strval() function : basic functionality --FILE-- <?php /* Prototype : string strval ( mixed $var ) * Description: Get the string value of a variable. * Source code: ext/standard/string.c */ echo "*** Testing strval() : basic variations ***\n"; error_reporting(E_ALL ^ E_NOTICE); $simple_heredoc =<<<EOT Simple HEREDOC string EOT; //array of values to iterate over $values = array( // Simple strings /*1*/ "Hello World", 'Hello World', // String with control chars /*3*/ "String\nwith\ncontrol\ncharacters\r\n", // String with quotes /*4*/ "String with \"quotes\"", //Numeric String /*5*/ "123456", // Hexadecimal string /*6*/ "0xABC", //Heredoc String /*7*/ $simple_heredoc ); // loop through each element of the array for strval $iterator = 1; foreach($values as $value) { echo "\n-- Iteration $iterator --\n"; var_dump( strval($value) ); $iterator++; }; ?> ===DONE=== --EXPECTF-- *** Testing strval() : basic variations *** -- Iteration 1 -- string(11) "Hello World" -- Iteration 2 -- string(11) "Hello World" -- Iteration 3 -- string(32) "String with control characters " -- Iteration 4 -- string(20) "String with "quotes"" -- Iteration 5 -- string(6) "123456" -- Iteration 6 -- string(5) "0xABC" -- Iteration 7 -- string(21) "Simple HEREDOC string" ===DONE===