Learning the Standard PHP Library

Learn how to use the iterators and data structures in the Standard PHP Library to traverse, filter, and sort data.

Introduction

• Welcome
• What you should know before watching this course
• Using the exercise files

1. Introducing the Standard PHP Library (SPL)

• What is the Standard PHP Library?
• Introducing SPL iterators
• Using SPL iterators

2. Exploring Files and Directories

• Inspecting single directories with DirectoryIterator
• Inspecting single directories with FilesystemIterator
• Inspecting directories recursively with RecursiveDirectoryIterator
• Getting information about files with SplFileInfo
• Working on text files with SplFileObject
• Using SplFileObject to convert a CSV to an array
• Exporting data to a download file with SplTempFileObject

3. Filtering Values

• Filtering a directory with GlobIterator
• Using regular expressions to filter directories with RegexIterator
• Extracting data from XML with RegexIterator and SimpleXML
• Specifying a range of items with LimitIterator
• Creating a custom filter with CallbackFilterIterator
• Creating a recursive callback filter
• Extending FilterIterator to create a reusable filter
• Creating a custom filter with RecursiveFilterIterator
• Overriding the RecursiveFilterIterator constructor
• Using ParentIterator to find elements that have children

4. Array Iterators

• Converting between arrays and iterators
• Filtering values from JSON
• Using multidimensional arrays with iterators
• Extending RecursiveIteratorIterator to build nested lists

5. Combining and Merging Iterators

• Combining iterators with AppendIterator
• Merging values from different iterators with MultipleIterator

6. Other Iterators

• Creating a repeat sequence with InfiniteIterator
• Treating the final element differently with CachingIterator
• Using RecursiveCachingIterator with multidimensional structures
• Generating an ASCII graphic tree with RecursiveTreeIterator
• NoRewindIterator and EmptyIterator

7. SPL Data Structures

• Doubly linked lists, stacks, and queues
• Sorting XML and JSON with SplDoublyLinkedList
• Using SplStack and SplQueue
• Understanding heaps
• SplMinHeap and SplMaxHeap
• Sorting XML and JSON with SplHeap
• Finding important information with SplPriorityQueue
• Keeping priority items in chronological order
• Speeding up array access with SplFixedArray

Conclusion

• Goodbye