PHP Miscellaneous functions

Installation

Miscellaneous functions are part of the PHP core. These functions can be used without installation.

Runtime Configuration

The behavior of the miscellaneous function is affected by the settings in the php.ini file.

Miscellaneous configuration options:

name	default	Description	can be changed
Ignore_user_abort	"0"	FALSE indicates that the script will be terminated as long as the script attempts to output after the client terminates the connection.	Php_ini_all
Highlight.string	"#DD0000"	Color used to highlight strings that conform to PHP syntax.	Php_ini_all
Highlight.comment	"#FF8000"	Color used to highlight PHP comments.	Php_ini_all
Highlight.keyword	"#007700"	Color used for syntax highlighting of PHP keywords (such as parentheses and semicolons).	Php_ini_all
Highlight.bg	"#FFFFFF"	Background color.	Php_ini_all
Highlight.default	"#0000BB"	Default color for PHP syntax.	Php_ini_all
Highlight.html	"#000000"	The color of the HTML code.	Php_ini_all
Browscap	Null	The name and location of the browser performance file (for example: Browscap.ini).	Php_ini_system

PHP Miscellaneous functions

php: Indicates the earliest version of PHP that supports this function.

function	Description	PHP
Connection_aborted ()	Check to see if the client is disconnected.	3
Connection_status ()	Returns the current connection status.	3
Connection_timeout ()	Deprecated in PHP 4.0.5. Check if the script timed out.	3
Constant ()	Returns the value of a constant.	4
Define ()	Defines a constant.	3
Defined ()	Checks if a constant exists.	3
Die ()	Outputs a message and exits the current script.	3
Eval ()	Calculate the string as PHP code.	3
Exit ()	Outputs a message and exits the current script.	3
Get_browser ()	Returns the performance of the user's browser.	3
Highlight_file ()	The file is highlighted in PHP syntax.	4
Highlight_string ()	The PHP syntax for the string is highlighted.	4
Ignore_user_abort ()	Sets whether disconnecting from the remote client terminates execution of the script.	3
Pack ()	Loads the data into a binary string.	3
Php_check_syntax ()	Deprecated in PHP 5.0.5.	5
Php_strip_whitespace ()	Returns the source code file for deleted PHP comments and whitespace characters.	5
Show_source ()	The alias of the Highlight_file ().	4
Sleep ()	Delay code execution for several seconds.	3
Time_nanosleep ()	The deferred code executes several seconds and nanoseconds.	5
Time_sleep_until ()	Delays code execution until the specified time.	5
Uniqid ()	Generates a unique ID.	3
Unpack ()	Unpacking data from a binary string.	3
Usleep ()	The deferred code executes several microseconds.	3

PHP Miscellaneous Constants

php: Indicates the earliest version of PHP that supports this constant.

Constants	Description	PHP
connection_aborted
Connection_normal
Connection_timeout
__compiler_halt_offset__		5

PHP Miscellaneous functions