Brain Goo

PERL has a built-in function called join() that will concatenate a list with a given string. The official perldoc states:
join EXPR,LIST
Joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns that new string. Example:
$rec = join(‘:’, $login,$passwd,$uid,$gid,$gcos,$home,$shell);
From the code example, you can make CSV [...]

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use Data::Dumper;
my @array;
push @array, {‘key1′ => ‘value1′, ‘key2′ => ‘value2′};
push @array, {‘key1′ => ‘value1′, ‘key2′ => ‘value2′};
push @array, {‘key1′ => ‘value1′, ‘key2′ => ‘value2′};
print Dumper(@array);
Will give you:

$VAR1 = {
‘key2′ => ‘value2′,
‘key1′ => ‘value1′
};
$VAR2 = {
‘key2′ => ‘value2′,
‘key1′ => ‘value1′
};
$VAR3 = {
‘key2′ => ‘value2′,
‘key1′ => ‘value1′
};

Snazzy!
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When writing PHP web apps, I tend to run in to a portability issue when dealing with SQL connectivity. Since I can’t count on having the PEAR DB module available, I rolled my own set of functions to interact with a MySQL database.
The problem lies in escaping characters in your SQL queries. Do [...]

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