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# LXXXI. Miscellaneous Functions

# Introduction

These functions were placed here because none of the other categories seemed to fit.

# Requirements

No external libraries are needed to build this extension.

# Installation

There is no installation needed to use these functions; they are part of the PHP core.

# Runtime Configuration

The behaviour of these functions is affected by settings in `php.ini`.

Table 1. Misc. Configuration Options

Name | Default | Changeable | Changelog
--- | --- | --- | ---
ignore_user_abort | "0" | PHP_INI_ALL |
highlight.string | "#DD0000" | PHP_INI_ALL |
highlight.comment | "#FF8000" | PHP_INI_ALL |
highlight.keyword | "#007700" | PHP_INI_ALL |
highlight.bg | "#FFFFFF" | PHP_INI_ALL |
highlight.default | "#0000BB" | PHP_INI_ALL |
highlight.html | "#000000" | PHP_INI_ALL |
browscap | NULL | PHP_INI_SYSTEM |

For further details and definitions of the PHP_INI_* constants, see the Appendix G.

Here's a short explanation of the configuration directives.

ignore_user_abort boolean

  `TRUE` by default. If changed to `FALSE` scripts will be terminated as soon as they try to output something after a client has aborted their connection.

  See also ignore_user_abort().

highlight.bg string, highlight.comment string, highlight.default string, highlight.html string, highlight.keyword string, highlight.string string

  Colors for Syntax Highlighting mode. Anything that's acceptable in <font color="??????"> would work.

browscap string

  Name (e.g.: `browscap.ini`) and location of browser capabilities file. See also get_browser().

# Resource Types

This extension has no resource types defined.

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`CONNECTION_ABORTED` (integer)

`CONNECTION_NORMAL` (integer)

`CONNECTION_TIMEOUT` (integer)

`__COMPILER_HALT_OFFSET__` (integer)

  Added in PHP 5.1.

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