- PHP Tutorial
- PHP - Home
- PHP - Introduction
- PHP - Installation
- PHP - History
- PHP - Syntax
- PHP - Hello World
- PHP - Comments
- PHP - Variables
- PHP - Echo/Print
- PHP - var_dump
- PHP - $ and $$ Variables
- PHP - Constants
- PHP - Magic Constants
- PHP - Data Types
- PHP - Type Casting
- PHP - Type Juggling
- PHP - Strings
- PHP - Boolean
- PHP - Integers
- PHP - Files & I/O
- PHP - Maths Functions
- PHP - Heredoc & Nowdoc
- PHP - Compound Types
- PHP - File Include
- PHP - Date & Time
- PHP - Scalar Type Declarations
- PHP - Return Type Declarations
- PHP Operators
- PHP - Operators
- PHP - Arithmatic Operators
- PHP - Comparison Operators
- PHP - Logical Operators
- PHP - Assignment Operators
- PHP - String Operators
- PHP - Array Operators
- PHP - Conditional Operators
- PHP - Spread Operator
- PHP - Null Coalescing Operator
- PHP - Spaceship Operator
- PHP Control Statements
- PHP - Decision Making
- PHP - If…Else Statement
- PHP - Switch Statement
- PHP - For Loop
- PHP - Foreach Loop
- PHP - While Loop
- PHP - Do…While Loop
- PHP - Break Statement
- PHP - Continue Statement
- PHP Arrays
- PHP - Arrays
- PHP - Indexed Array
- PHP - Associative Array
- PHP - Multidimensional Array
- PHP - Array Functions
- PHP - Constant Arrays
- PHP Functions
- PHP - Functions
- PHP - Function Parameters
- PHP - Call by value
- PHP - Call by Reference
- PHP - Default Arguments
- PHP - Named Arguments
- PHP - Variable Arguments
- PHP - Returning Values
- PHP - Passing Functions
- PHP - Recursive Functions
- PHP - Type Hints
- PHP - Variable Scope
- PHP - Strict Typing
- PHP - Anonymous Functions
- PHP - Arrow Functions
- PHP - Variable Functions
- PHP - Local Variables
- PHP - Global Variables
- PHP Superglobals
- PHP - Superglobals
- PHP - $GLOBALS
- PHP - $_SERVER
- PHP - $_REQUEST
- PHP - $_POST
- PHP - $_GET
- PHP - $_FILES
- PHP - $_ENV
- PHP - $_COOKIE
- PHP - $_SESSION
- PHP File Handling
- PHP - File Handling
- PHP - Open File
- PHP - Read File
- PHP - Write File
- PHP - File Existence
- PHP - Download File
- PHP - Copy File
- PHP - Append File
- PHP - Delete File
- PHP - Handle CSV File
- PHP - File Permissions
- PHP - Create Directory
- PHP - Listing Files
- Object Oriented PHP
- PHP - Object Oriented Programming
- PHP - Classes and Objects
- PHP - Constructor and Destructor
- PHP - Access Modifiers
- PHP - Inheritance
- PHP - Class Constants
- PHP - Abstract Classes
- PHP - Interfaces
- PHP - Traits
- PHP - Static Methods
- PHP - Static Properties
- PHP - Namespaces
- PHP - Object Iteration
- PHP - Encapsulation
- PHP - Final Keyword
- PHP - Overloading
- PHP - Cloning Objects
- PHP - Anonymous Classes
- PHP Web Development
- PHP - Web Concepts
- PHP - Form Handling
- PHP - Form Validation
- PHP - Form Email/URL
- PHP - Complete Form
- PHP - File Inclusion
- PHP - GET & POST
- PHP - File Uploading
- PHP - Cookies
- PHP - Sessions
- PHP - Session Options
- PHP - Sending Emails
- PHP - Sanitize Input
- PHP - Post-Redirect-Get (PRG)
- PHP - Flash Messages
- PHP AJAX
- PHP - AJAX Introduction
- PHP - AJAX Search
- PHP - AJAX XML Parser
- PHP - AJAX Auto Complete Search
- PHP - AJAX RSS Feed Example
- PHP XML
- PHP - XML Introduction
- PHP - Simple XML Parser
- PHP - SAX Parser Example
- PHP - DOM Parser Example
- PHP Login Example
- PHP - Login Example
- PHP - Facebook Login
- PHP - Paypal Integration
- PHP - MySQL Login
- PHP Advanced
- PHP - MySQL
- PHP.INI File Configuration
- PHP - Array Destructuring
- PHP - Coding Standard
- PHP - Regular Expression
- PHP - Error Handling
- PHP - Try…Catch
- PHP - Bugs Debugging
- PHP - For C Developers
- PHP - For PERL Developers
- PHP - Frameworks
- PHP - Core PHP vs Frame Works
- PHP - Design Patterns
- PHP - Filters
- PHP - JSON
- PHP - Exceptions
- PHP - Special Types
- PHP - Hashing
- PHP - Encryption
- PHP - is_null() Function
- PHP - System Calls
- PHP - HTTP Authentication
- PHP - Swapping Variables
- PHP - Closure::call()
- PHP - Filtered unserialize()
- PHP - IntlChar
- PHP - CSPRNG
- PHP - Expectations
- PHP - Use Statement
- PHP - Integer Division
- PHP - Deprecated Features
- PHP - Removed Extensions & SAPIs
- PHP - PEAR
- PHP - CSRF
- PHP - FastCGI Process
- PHP - PDO Extension
- PHP - Built-In Functions
- PHP Useful Resources
- PHP - Questions & Answers
- PHP - Useful Resources
- PHP - Discussion
PHP - imap_headers() Function
PHP−IMAP functions helps you to access email accounts, IMAP stands for Internet Mail Access Protocol using these functions you can also work with NNTP, POP3 protocols and local mailbox access methods.
The imap_headers() function accepts a resource value representing an IMAP stream as a parameter, retrieves and returns headers for all the messages in the specified mailbox.
Syntax
imap_headers($imap_stream);
Parameters
Sr.No | Parameter & Description |
---|---|
1 |
imap_stream (Mandatory) This is a string value representing an IMAP stream, return value of the imap_open() function. |
Return Values
This function returns an array of strings where each string contains header info.
PHP Version
This function was first introduced in PHP Version 4 and works in all the later versions.
Example
Following example demonstrates the usage of the imap_headers() function −
<html> <body> <?php //Establishing connection $url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX"; $id = "tutorialspoint.test@gmail.com"; $pwd = "cohondob_123"; $imap = imap_open($url, $id, $pwd); print("Connection established...."."<br>"); //Fetching the headers of all messages print("Headers of all messages: "."<br>"); $res = imap_headers($imap); foreach ($res as $msg) { print($msg); print("<br>"); } //Closing the connection imap_close($imap); ?> </body> </html>
Output
This will generate the following output −
Connection established.... Headers of all messages: 1)22-Oct-2020 Sender1 (4857 chars) U 2)22-Oct-2020 Sender1 (4858 chars) 3)25-Oct-2020 Sender2 (4880 chars) 4)25-Oct-2020 Sender 2 (4882 chars) U 5)25-Oct-2020 Sender 3 (4884 chars) 6)25-Oct-2020 Sender 3 (4883 chars) 7)26-Oct-2020 Sender 3 (4888 chars)
Example
Following is another example of this function −
<html> <body> <?php //Establishing connection $url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX"; $id = "tutorialspoint.test@gmail.com"; $pwd = "cohondob_123"; $imap = imap_open($url, $id, $pwd); print("Connection established...."."<br>"); //Fetching the headers of all messages print("Headers of all messages: "."<br>"); $res = imap_headers($imap); print_r($res); //Closing the connection imap_close($imap); ?> </body> </html>
Output
This will generate the following output −
Connection established.... Headers of all messages: Array ( [0] => 1 ) 22-Oct-2020 KrishnaKasyap Bhagav (4857 chars) [1] => U 2)22-Oct-2020 KrishnaKasyap Bhagav (4858 chars) [2] => 3)25-Oct-2020 KrishnaKasyap Bhagav (4880 chars) [3] => 4)25-Oct-2020 KrishnaKasyap Bhagav (4882 chars) [4] => U 5))