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Get the client IP address using PHP [duplicate]

I want to get the client IP address who uses my website. I am using the PHP $_SERVER superglobal: 5 Answers ...
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Access-Control-Allow-Origin error sending a jQuery Post to Google API's

...it was not cross domain but the same domain. I just added this line to the php file which was handling the ajax request. <?php header('Access-Control-Allow-Origin: *'); ?> It worked like a charm. Thanks to the poster ...
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How to make PDF file downloadable in HTML link?

...nking to the .PDF file, instead do something like <a href="pdf_server.php?file=pdffilename">Download my eBook</a> which outputs a custom header, opens the PDF (binary safe) and prints the data to the user's browser, then they can choose to save the PDF despite their browser settings....
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Overriding class constants vs properties

... and always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware. The difference is that static:: uses "late static binding". Find more information here: http://php.net/manual/en/language.oop5.late-static-bindings.php ...
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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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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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Saving timestamp in mysql table using php

... Type safety: FROM_UNIXTIME yields a native mysql date type while php's date() returns a string. – Richard Tuin May 20 '16 at 6:19 ...
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file_put_contents(meta/services.json): failed to open stream: Permission denied

... Suggestion from vsmoraes worked for me: Laravel >= 5.4 php artisan cache:clear chmod -R 777 storage/ composer dump-autoload Laravel < 5.4 php artisan cache:clear chmod -R 777 app/storage composer dump-autoload NOTE: DO NOT DO THIS ON ANY REMOTE SERVER (DEV OR PRODUCTIO...
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Deleting an element from an array in PHP

Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element? ...
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@ character before a function call

What is the difference between these two function calls in PHP? 5 Answers 5 ...