All the deprecated functionality listed in the following will be removed in

PHP 8.0.

- Core:

. The trace_errors ini directive has been deprecated.

. The __autoload() mechanism has been deprecated, use spl_autoload_register()

instead.

. The (unset) cast has been deprecated. This does not affect the unset($var)

language construct.

. The create_function() function has been deprecated, use anonymous functions

instead.

. The each() function has been deprecated, use a foreach loop instead.

. png2wbmp() and jpeg2wbmp() have been deprecated.

- GMP:

. The gmp_random() function has been deprecated, use gmp_random_bits() or

gmp_random_range() instead.

- Mbstring:

. The mbstring.func_overload ini directive has been deprecated.

- Standard:

. Calling parse_str() without the result argument has been deprecated.

. Calling assert() with a string argument has been deprecated, use an ordinary

expression instead.

See also: https://wiki.php.net/rfc/deprecations_php_7_2