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Are global variables in PHP considered bad practice? If so, why?

In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; . ...
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Defining a variable with or without export

... Specifically export makes the variable available to child processes via the environment. – Beano Jul 21 '09 at 13:35 ...
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How to test if a string is basically an integer in quotes using Ruby

...z/.match(string_to_check) #Is not a positive number else #Is all good ..continue end share | improve this answer | follow | ...
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Is git not case sensitive?

In the first commitment of my partial called _Electronics it was written beginning with a capital letters, then I changed it to _electronics . ...
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Is there a HTML opposite to ?

... Not allowed in the xhtml standard at least. – Dykam Aug 4 '09 at 19:56 29 ...
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Doctrine - How to print out the real sql, not just the prepared statement?

...trine is not sending a "real SQL query" to the database server : it is actually using prepared statements, which means : Sending the statement, for it to be prepared (this is what is returned by $query->getSql()) And, then, sending the parameters (returned by $query->getParameters()) and exe...
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PHP - Debugging Curl

... You can enable the CURLOPT_VERBOSE option: curl_setopt($curlhandle, CURLOPT_VERBOSE, true); When CURLOPT_VERBOSE is set, output is written to STDERR or the file specified using CURLOPT_STDERR. The output is very informative. You can also use tcpdu...
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How to validate IP address in Python? [duplicate]

...ings like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected. – krupan Nov 25 '08 at 23:58 6 ...
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Ignoring an already checked-in directory's contents?

...d only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories. ...
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The difference between fork(), vfork(), exec() and clone()

...d I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls. ...