InstallationThe HTTP functions are

Installation
The HTTP functions are part of the PHP core. There is no installation needed to use these functions.

PHP 5 HTTP Functions
PHP: indicates the earliest version of PHP that supports the function.

Function Description
header() Sends a raw HTTP header to a client
headers_list() Returns a list of response headers sent (or ready to send)
headers_sent() Checks if / where the HTTP headers have been sent
setcookie() Defines a cookie to be sent along with the rest of the HTTP headers
setrawcookie() Defines a cookie (without URL encoding) to be sent along with the rest of the HTTP headers

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InstallationThe HTTP functions are part of the PHP core. There is no installation needed to use these functions.PHP HTTP FunctionsPHP: indicates the earliest version of PHP that supports the function.Function Descriptionheader () Sends a raw HTTP header to a clientheaders_list () Returns a list of response headers sent (or ready to send)headers_sent () Checks if/where the HTTP headers have been sentsetcookie () Defines a cookie to be sent along with the rest of the HTTP headerssetrawcookie () Defines a cookie (without URL encoding) to be sent along with the rest of the HTTP headers

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Installation
The HTTP functions are part of the PHP core. There is no installation needed to use những functions. PHP 5 HTTP Functions PHP: ý the earliest version of PHP mà hỗ the function. Function Description header () Sends a raw HTTP header to a client headers_list () Returns a list of response headers sent (or ready to send) headers_sent () Checks if / where the HTTP headers sent được setcookie () Định nghĩa a cookie to be sent along with the rest of the HTTP headers setrawcookie () Định nghĩa a cookie (without URL encoding) to be sent along with the rest of the HTTP headers