Finding important information with SplPriorityQueue

- 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…