(PHP 4, PHP 5, PHP 7) Syntax highlighting of a file mixed highlight_file ( string $filename [, bool $return = false ] ) Prints out or returns a syntax highlighted version of the code contained in filename using the colors defined in the built-in syntax highlighter for PHP. Many servers are configured to automatically highlight files with a phps extension. For example, example.phps when viewed will show the syntax highligh

(PHP 5 >= 5.1.0, PHP 7) Halts the compiler execution void __halt_compiler ( void ) Halts the execution of the compiler. This can be useful to embed data in PHP scripts, like the installation files. Byte position of the data start can be determined by the __COMPILER_HALT_OFFSET__ constant which is defined only if there is a __halt_compiler() presented in the file. Returns: No value is retur

(PHP 4, PHP 5, PHP 7) Tells what the user's browser is capable of mixed get_browser ([ string $user_agent [, bool $return_array = false ]] ) Attempts to determine the capabilities of the user's browser, by looking up the browser's information in the browscap.ini file. Parameters: user_agent The User Agent to be analyzed. By default, the value of HTTP User-Agent header is

(PHP 4, PHP 5, PHP 7) Output a message and terminate the current script void exit ([ string $status ] ) void exit ( int $status ) Terminates execution of the script. Shutdown functions and object destructors will always be executed even if exit is called. exit is a language construct and it can be called without parentheses if no status is passed. Parameters: status I

(PHP 4, PHP 5, PHP 7) Evaluate a string as PHP code mixed eval ( string $code ) Evaluates the given code as PHP. Caution The eval() language construct is very dangerous because it allows execution of arbitrary PHP code. Its use thus is discouraged. If you have carefully verified that there is no other option than to use this construct, pay special attention not to pass any user provided data into it without properly valid

(PHP 4, PHP 5, PHP 7) Equivalent to exit This language construct is equivalent to exit().

(PHP 4, PHP 5, PHP 7) Checks whether a given named constant exists bool defined ( string $name ) Checks whether the given constant exists and is defined. Note: If you want to see if a variable exists, use isset() as defined() only applies to constants. If you want to see if a function exists, use function_exists(). Parameters: name The constant name.

(PHP 4, PHP 5, PHP 7) Defines a named constant bool define ( string $name, mixed $value [, bool $case_insensitive = false ] ) Defines a named constant at runtime. Parameters: name The name of the constant. value The value of the constant. In PHP 5, value must be a scalar value (integer, float, string, boolean, or NULL). In PHP 7, array

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Returns the value of a constant mixed constant ( string $name ) Return the value of the constant indicated by name. constant() is useful if you need to retrieve the value of a constant, but do not know its name. I.e. it is stored in a variable or returned by a function. This function works also with class constants. Parameters: name T

(PHP 4, PHP 5, PHP 7) Returns connection status bitfield int connection_status ( void ) Gets the connection status bitfield. Returns: Returns the connection status bitfield, which can be used against the CONNECTION_XXX constants to determine the connection status. See also: connection_aborted() -