Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

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>&#13;    There are two string operators. The first is the concatenation
    operator ('.'), which returns the concatenation of its right and
    left arguments. The second is the concatenating assignment
    operator ('.='), which appends the argument on the right side to
    the argument on the left side. Please read <A
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    Operators</A
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>$a = "Hello ";
$b = $a . "World!"; // now $b contains "Hello World!"

$a = "Hello ";
$a .= "World!";     // now $a contains "Hello World!"</PRE
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