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PDO Prepared Inserts multiple rows in single query

... table (fielda, fieldb, ... ) values (?,?...), (?,?...).... That is basically how we want the insert statement to look like. Now, the code: function placeholders($text, $count=0, $separator=","){ $result = array(); if($count > 0){ for($x=0; $x<$count; $x++){ $re...
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PHP script - detect whether running under linux or Windows?

...TH_SEPARATOR>":" returns true for Windows too (PATH_SEPARATOR is ":" on all other OSs). – Titus Jan 8 '17 at 12:45 ...
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What's the difference between :: (double colon) and -> (arrow) in PHP?

... used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members). In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static...
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Create a CSV File for a user in PHP

...ord2,record3\n"; die; etc Edit: Here's a snippet of code I use to optionally encode CSV fields: function maybeEncodeCSVField($string) { if(strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n") !== false) { $string = '"' . str_replace('"', '""', $st...
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Convert SVG image to PNG with PHP

I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data. ...
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Get the client IP address using PHP [duplicate]

... I usually don't like nested ternaries, but I really like it in this case... – Charles Harmon Jul 18 '14 at 20:49 ...
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how to detect search engine bots with php?

...ming to them. It also depends on utility. I wouldn't use this to strip out all CSS, but I would use this to not store cookies, ignore location logging, or skip a landing page. – JonShipman Mar 26 '15 at 21:28 ...
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How to read if a checkbox is checked in PHP?

... this is the really good form to do this in pure simple php. but have to note that the value of a checkbox is string on when it is activated an a inexisting value if it is checked. – Elvis Technologies ...
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How do you Encrypt and Decrypt a PHP String?

... You may also use GCM (which removes the need for a separate MAC). Additionally, ChaCha20 and Salsa20 (provided by libsodium) are stream ciphers and do not need special modes. Unless you chose GCM above, you should authenticate the ciphertext with HMAC-SHA-256 (or, for the stream ciphers, Poly1305 -...
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How to resolve “must be an instance of string, string given” prior to PHP 7?

... supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense. You can only manually "type hint" scalar types: function foo($string) { if (!is_string($string)) { trigger_error('No, you fool!'); return; } ... } ...