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How do I implement a callback in PHP?

How are callbacks written in PHP? 9 Answers 9 ...
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phpinfo() - is there an easy way for seeing it?

Each time I want to see the phpinfo(); I have to: 5 Answers 5 ...
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Preferred method to store PHP arrays (json_encode vs serialize)

...pp but the vast majority of the time I will be using the array directly in PHP. 20 Answers ...
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define() vs. const

In PHP, when do you use 11 Answers 11 ...
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What is causing “Unable to allocate memory for pool” in PHP?

... More info for this APC setting: php.net/apc.configuration#ini.apc.mmap-file-mask – mikeytown2 Mar 5 '12 at 22:49 2 ...
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How to call a PHP function on the click of a button

I have created a page called functioncalling.php that contains two buttons, Submit and Insert . 12 Answers ...
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Page redirect after certain time PHP

There is a certain PHP function for redirecting after some time. I saw it somewhere but can't remember. It's like the gmail redirection after logging in. Please, could anyone remind me? ...
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Are PHP functions case sensitive?

...gging through some code, and I found some calls to mySQL_fetch_array . Is PHP case sensitive about function names? I recall reading this somewhere but can't seem to find any reference to it. ...
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GET URL parameter in PHP

I'm trying to pass a URL as a url parameter in php but when I try to get this parameter I get nothing 9 Answers ...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains. ...