Remove unnecessary PHPDoc-alike blocks from tests

Closes GH-5759

Use EXPECT instead of EXPECTF when possible

echo "Done\n";
?>
?>
Fatal error: Uncaught ArgumentCountError: explode() expects at least 2 parameters, 0 given in [no active file]:0
$triggerNotice+

Use EXPECT instead of EXPECTF when possible

echo "Done\n";
?>
?>
Fatal error: Uncaught ArgumentCountError: explode() expects at least 2 parameters, 0 given in [no active file]:0
$triggerNotice++;
?>
throw new Exception();
?>
?>
?>
?>
-- Testing date_parse() function with unexpected characters in $date argument --
?>
?>
-- Testing mktime() function with Zero arguments --
?>
?>
?>
echo "Done\n";
?>
echo "Done\n";
?>
echo "Done\n";
?>
?>
?>
?>
Arg value is: this is a string
?>
echo "Done";
?>
-- Testing posix_getgrgid() function with a negative group id --
echo "Done";
?>
-- Testing posix_getpgid() with negative pid --
echo "Done";
?>
-- Testing posix_getpwuid() function negative uid --
?>
echo "Done";
?>
-- Testing posix_kill() function with invalid signal --
echo "Done";
?>
-- Testing posix_strerror() function with invalid error number --
?>
-- Testing ReflectionMethod::getClosure() function with invalid object --
?>
?>
?>
-- Iteration 1 --
?>
?>
?>
echo "Done\n";
?>
echo"Done";
?>
echo "Done\n";
?>
echo "Done";
?>
-- Testing array_diff_assoc() function with zero arguments --
echo "Done";
?>
-- Testing array_diff() function with zero arguments --
-- Testing array_diff_key() function with less than expected no. of arguments --
?>
echo "Done"
?>
echo "Done";
?>
-- Iteration 1 --
echo "Done";
?>
-- Testing array_map() function with one less than expected no. of arguments --
echo "Done\n";
?>
--- Iteration 0 ---
echo"\nDone";
?>
?>
*** Variation with first two Arguments ***
echo "Done\n";
?>
echo "Done\n";
?>
echo "Done";
?>
echo "Done\n";
?>
echo "Done";
?>
echo "Done"
?>
?>
-- Testing usort() with built-in 'cmp_function': strcasecmp() --
echo "Done\n";
?>
echo "Done\n";
?>
echo "Done\n";
?>
--Iteration 1--
-- iteration 1 --
echo "Done\n";
echo "Done\n";
?>
*** Testing is_executable() on invalid files ***
echo "Done\n";
?>
echo "Done\n";
?>
*** Testing is_readable() on miscellaneous filenames ***
?>
echo "Done\n";
?>
*** Testing is_writable() with invalid filenames ***
?>
?>
echo "Done\n";
?>
?>
echo "Done\n";
?>
echo "Done\n";
?>
?>
?>
?>
?>
?>
?>
?>
-- Testing php_uname() function with invalid mode --
echo "Done\n";
?>
-- Iteration 1 --
echo "Done\n";
?>
-- Iteration 1 --
echo "Done\n";
?>

?>
*** Output for integer values ***
?>
lcg_value tests...
echo "Done\n";
?>
echo "Done\n";
?>
?>
echo "Done";
?>
-- Testing stream_set_timeout() function with a closed socket --
?>
-- Testing chr() function with no arguments --
echo "Done\n";
?>
echo "Done\n";
?>
echo "Done\n"
?>
?>
*** Using heredoc string ***
echo "Done\n";
?>
?>
Basic test WITH undefined var for result arg
?>
Test string with array values and results array
?>
-- Testing printf() function with Zero arguments --
echo "Done\n";
?>
echo "Done\n";
?>
echo "Done";
?>
-- Iteration 1 --
-- Testing sscanf() function with more than expected no. of arguments --
echo "Done\n";
?>
echo "*** Done ***";
?>
echo "*** Done ***";
?>
?>
-- Testing strval() function with object which has not toString() method --
?>
-- Variations for two arguments --
echo "\nDone";
?>
?>
?>
-- Testing strptime() function on failure --
echo "Done\n";
?>

show more ...

Clean DONE tags from tests

Remove most of the `===DONE===` tags and its variations.
Keep `===DONE===` if the test output otherwise becomes empty.

Closes GH-4872.

Adjust tests for zpp TypeError change

Trim trailing whitespace in *.phpt

Trim trailing whitespace in tests

New tests for various date extension functions. Tested on Windows, Linux and linux 64