- The SplFileObject class provides an object oriented…interface to working with files.…This is the class's documentation in the online PHP manual.…If we scroll down to look at the available methods,…it becomes obvious fairly quickly…that many of them duplicate file system functions…such as fgetcsv, fgets, fpassthru.…These are all functions that have been part of PHP…since PHP 4 so you might be wondering…why bother creating object oriented versions.…
Well, there are two main reasons.…The code is simpler to use…and the SplFileObject class extends SplFileInfo.…As a result, the object inherits all…the SplFileInfo methods as well.…So let's create some code to experiment with SplFileObject.…This is fileobject.php which you can find…in the chapter two folder of the exercise files.…It contains a FilesystemIterator that loops…over the files in the common/documents directory,…and then on line four, a conditional statement…uses the getExtension method to find only text files.…
If we load this page into a browser,…we can see there are two text files,…
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
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Introduction
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Welcome59s
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1. Introducing the Standard PHP Library (SPL)
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Introducing SPL iterators1m 59s
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Using SPL iterators2m 6s
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2. Exploring Files and Directories
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3. Filtering Values
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4. Array Iterators
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Filtering values from JSON4m 45s
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5. Combining and Merging Iterators
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6. Other Iterators
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7. SPL Data Structures
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Using SplStack and SplQueue6m 25s
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Understanding heaps2m 55s
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Conclusion
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Goodbye1m 37s
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Video: Working on text files with SplFileObject