New Global Constants

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- Backward Incompatible Changes »

- PHP Manual
- Migrating from PHP 7.3.x to PHP 7.4.x
- New Global Constants

## New Global Constants

### PHP Core

- `PHP_WINDOWS_EVENT_CTRL_C`
- `PHP_WINDOWS_EVENT_CTRL_BREAK`

### Multibyte String

- `MB_ONIGURUMA_VERSION`

### Sockets

Added the following FreeBSD-specific socket options:

- `SO_LABEL`
- `SO_PEERLABEL`
- `SO_LISTENQLIMIT`
- `SO_LISTENQLEN`
- `SO_USER_COOKIE`

### Tidy

- `TIDY_TAG_ARTICLE`
- `TIDY_TAG_ASIDE`
- `TIDY_TAG_AUDIO`
- `TIDY_TAG_BDI`
- `TIDY_TAG_CANVAS`
- `TIDY_TAG_COMMAND`
- `TIDY_TAG_DATALIST`
- `TIDY_TAG_DETAILS`
- `TIDY_TAG_DIALOG`
- `TIDY_TAG_FIGCAPTION`
- `TIDY_TAG_FIGURE`
- `TIDY_TAG_FOOTER`
- `TIDY_TAG_HEADER`
- `TIDY_TAG_HGROUP`
- `TIDY_TAG_MAIN`
- `TIDY_TAG_MARK`
- `TIDY_TAG_MENUITEM`
- `TIDY_TAG_METER`
- `TIDY_TAG_NAV`
- `TIDY_TAG_OUTPUT`
- `TIDY_TAG_PROGRESS`
- `TIDY_TAG_SECTION`
- `TIDY_TAG_SOURCE`
- `TIDY_TAG_SUMMARY`
- `TIDY_TAG_TEMPLATE`
- `TIDY_TAG_TIME`
- `TIDY_TAG_TRACK`
- `TIDY_TAG_VIDEO`