Variables and References Article
A week ago PHP 4.4.0rc1 was released - this release addresses major problems with references in PHP. But not many people are fully aware of how variables and references actually work in PHP. This is where my latest article in PHP Architect comes into play. It explains in details how assigning variables, passing variables to functions and returning variables from functions work - both by-value and by-reference.
Comments
Thanx for the article, it gives a deep insight into PHP internals.
However, there's one issue left unspoken, that is PHP5 objects internal model. It's obvious they're not just variables...
How are they implemented actually?
Consider the following lines in PHP5:
$a = new Foo(); $b = $a;
Is it equivalent internally in PHP5 to this:
$a = new Foo(); $b =& $a;
If not what the difference? Is it actually "healthy" to use & with objects in PHP5? Is there speed overhead?
I'm asking all these questions because we're using PHP5 with applications which were written solely for PHP4 yet using OOP. These applications use & almost everywhere and i wonder how PHP5 treats it internally....
Life Line
Created 6 benches, a main entrance, and a bicycle_parking; Updated 2 main entrances
Created 4 trees, a balancebeam, and 3 other objects; Updated 5 benches and 2 waste_baskets
Merge branch 'xdebug_3_5'
Merged pull request #1092
Use actual PID here, as we use that to be able to connect
Created 2 main entrances; Updated a vacant shop, a furniture shop, and a cafe; Confirmed an estate_agent office, a laundry shop, and 4 other objects
Merged pull request #1091
PHP 8.6: Fixed test expectation for 'debugInfo' name in error
Add 'strace' to run-xdebug-tests.php command
Oystercatcher Parent and Chick
Standing on the edge of a lake in the Arundel Wetlands.
#birds #birdPhotography #Birdsoffediverse #Photography #Nature #Wildlife
Updated 2 main entrances
Fixed tagging and bollard location
I hiked 8.7km in 4h4m28s
Updated a restaurant
Updated a restaurant
Updated a restaurant
I walked 5.5km in 56m26s
Created an entrance
I walked 5.7km in 1h20m50s
Updated a fitness_centre; Confirmed a charging_station
I walked 4.0km in 47m13s
I walked 1.1km in 9m32s
Also, whatnow‽
`GET /icons/blank.gif HTTP/1.1" 200 398 "https://downloads.php.net/~windows/pecl/releases/?utm_source=chatgpt.com`
WTF does that need an `utm_source` for?
I sometimes wish cache expiries could be fuzzy, like 900±15 seconds. Y'know, to prevent the thundering herd effect.
Created a chemist shop


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