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    Copyright
    Preface
    Ch. 1. Strings
    Ch. 2. Numbers
    Ch. 3. Dates and Times
    Ch. 4. Arrays
    Introduction
    Recipe 4.1. Specifying an Array Not Beginning at Element 0
    Recipe 4.2. Storing Multiple Elements Per Key in an Array
    Recipe 4.3. Initializing an Array to a Range of Integers
    Recipe 4.4. Iterating Through an Array
    Recipe 4.5. Deleting Elements from an Array
    Recipe 4.6. Changing Array Size
    Recipe 4.7. Appending One Array to Another
    Recipe 4.8. Turning an Array into a String
    Recipe 4.9. Printing an Array with Commas
    Recipe 4.10. Checking if a Key Is in an Array
    Recipe 4.11. Checking if an Element Is in an Array
    Recipe 4.12. Finding the Position of a Value in an Array
    Recipe 4.13. Finding Elements That Pass a Certain Test
    Recipe 4.14. Finding the Largest or Smallest Valued Element in an Array
    Recipe 4.15. Reversing an Array
    Recipe 4.16. Sorting an Array
    Recipe 4.17. Sorting an Array by a Computable Field
    Recipe 4.18. Sorting Multiple Arrays
    Recipe 4.19. Sorting an Array Using a Method Instead of a Function
    Recipe 4.20. Randomizing an Array
    Recipe 4.21. Removing Duplicate Elements from an Array
    Recipe 4.22. Applying a Function to Each Element in an Array
    Recipe 4.23. Finding the Union, Intersection, or Difference of Two Arrays
    Recipe 4.24. Making an Object Act like an Array
    Recipe 4.25. Program: Printing a Horizontally Columned HTML Table
    Ch. 5. Variables
    Ch. 6. Functions
    Ch. 7. Classes and Objects
    Ch. 8. Web Basics
    Ch. 9. Form
    Ch. 10. Database Access
    Ch. 11. Sessions and Data Persistence
    Ch. 12. XML
    Ch. 13. Web Automation
    Ch. 14. Consuming Web Services
    Ch. 15. Building Web Services
    Ch. 16. Internet Services
    Ch. 17. Graphics
    Ch. 18. Security and Encryption
    Ch. 19. Internationalization and Localization
    Ch. 20. Error Handling, Debugging, and Testing
    Ch. 21. Performance Tuning and Load Testing
    Ch. 22. Regular Expressions
    Ch. 23. Files
    Ch. 24. Directories
    Ch. 25. Command-Line PHP
    Ch. 26. PEAR and PECL
    Colophon
    Index
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    Help

    Chapter 4. Arrays > Deleting Elements from an Array

    Recipe 4.5. Deleting Elements from an Array

    4.5.1. Problem

    You want to remove one or more elements from an array.

    4.5.2. Solution

    To delete one element, use unset(  ):


      

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