August 2013
Intermediate to advanced
140 pages
1h 49m
English
Content preview from PHP Quick Scripting Reference
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CHAPTER 19
Type Conversions
PHP will automatically convert a variable’s data type as necessary given the context in which it is used. For this reason explicit type conversions are seldom required. Nonetheless, the type of a variable or expression may be changed by performing an explicit type cast.
Explicit casts
An explicit cast is performed by placing the desired data type in parentheses before the variable or value that is to be evaluated. In the example below, the explicit cast forces the bool variable to be evaluated as an int.
$myBool = false;$myInt = (int)$myBool; // 0
One use for explicit casts can be seen when the bool variable is sent ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.