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In the PHP programming language, which of the following types of brackets is used to designate the start and end of a block of statements to be executed after an if, a for, or a while statement?
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{ ... } |
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[ ... ] |
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< ... > |
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( ... ) |
Explanation
In the PHP programming language, curly brackets { ... } are used to designate the start and end of a block of statements to be executed after an if, a for, or a while statement. This is exactly the same as is used in the programming languages C and C++.
For example, the following code will increment the variable $y four times if $x is a positive number (greater than zero):
if ($x > 0)
{
$y++;
$y++;
$y++;
$y++;
}
$y++;
$y++;
$y++;
$y++;
}
Since, in PHP, linebreaks are not important, the above code is exactly identical to the following code:
if ($x > 0) { $y++; $y++; $y++; $y++; }
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