- SplPriorityQueue is a specialized type…of max heap that lets you reorder elements…by assigning a value to indicate priority.…The higher the value, the higher the element…is placed in the heap.…A good example of where this type of thing…can come in useful, is in inspecting…the contents of error logs.…This is the PHP Error Log in my testing server.…It contains a huge amount of data.…If we scroll down to the bottom,…we can see that it contains more…than 57,000 lines of data.…The reason that I get so many errors on my testing server,…is because I'm testing to see if things break.…
I'm testing to find problems.…Also, I've got Display Errors turned on,…so I see the error as soon as it occurs.…But on a live server, we have to rely on the error log.…Having warnings and fatal errors mixed up with trivial items…such as notices, makes it difficult to identify…something that might be going wrong on a regular basis.…If we scroll back up to the top here,…we can see that important errors such as warnings…always begin with PHP followed by…
Author
Released
10/22/2014- Using SPL iterators
- Inspecting directories
- Working with text files
- Exporting and extracting data
- Filtering data
- Converting between arrays and iterators
- Combining and merging iterators
- Creating a repeat sequence with InfiniteIterator
- Working with data structures
Skill Level Intermediate
Duration
Views
Related Courses
-
Advanced PHP: Debugging Techniques
with Jon Peck1h 29m Intermediate -
PHP: Exporting Data to Files
with David Powers3h 42m Intermediate
-
Introduction
-
Welcome59s
-
-
1. Introducing the Standard PHP Library (SPL)
-
Introducing SPL iterators1m 59s
-
Using SPL iterators2m 6s
-
2. Exploring Files and Directories
-
3. Filtering Values
-
4. Array Iterators
-
Filtering values from JSON4m 45s
-
5. Combining and Merging Iterators
-
6. Other Iterators
-
7. SPL Data Structures
-
Using SplStack and SplQueue6m 25s
-
Understanding heaps2m 55s
-
Conclusion
-
Goodbye1m 37s
-
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.
CancelTake notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.
Share this video
Embed this video
Video: Finding important information with SplPriorityQueue