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?: operator (the 'Elvis operator') in PHP
...se ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
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edited Feb 1 '12 at 21:09
bdukes
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Is quoting the value of url() really necessary?
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245
The W3C says quotes are optional, all three of your ways are legal.
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