August 2000
Intermediate to advanced
800 pages
13h 15m
English
Content preview from Core PHP Programming: Using PHP to Build Dynamic Web SitesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Accessing Properties and Methods
The properties of an instance are variables, just like any other PHP variable. To refer to them, however, you must use the -> operator. You do not use a dollar sign in front of the property name. For an example, refer to the line in Listing 6.1 that prints the name property of the currentUser object.
Use of -> can be chained. If an object's property contains an object itself, you can use two -> operators to get to a property on the inner object. The parser in PHP 3 was unable to deal with complex expressions like this. In PHP 4 you are not limited this way. You may even place these expressions within double-quoted strings. See Listing 6.2 for an example of an object that contains an array of objects.
Unlike object-oriented ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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