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PHP filesize MB/KB conversion [duplicate]

How can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc? 12 Answers ...
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How do PHP sessions work? (not “how are they used?”)

...when his session is created. it is stored in a cookie (called, by default, PHPSESSID) that cookie is sent by the browser to the server with each request the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user. The data in the sessions files is the ...
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How to get the first word of a sentence in PHP?

... Using modern PHP syntax you can just do explode(' ',trim($myvalue))[0] – Elly Post Apr 1 '16 at 6:28 2 ...
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What does “=>” mean in PHP?

...ach statements. The '=>' links the key and the value. According to the PHP Manual, the '=>' created key/value pairs. Also, Equal or Greater than is the opposite way: '>='. In PHP the greater or less than sign always goes first: '>=', '<='. And just as a side note, excluding the sec...
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How to let PHP to create subdomain automatically for each user?

...ess htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
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Why would $_FILES be empty when uploading files to PHP?

...mpServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such...
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how to delete all cookies of my website in php

... PHP setcookie() Taken from that page, this will unset all of the cookies for your domain: // unset cookies if (isset($_SERVER['HTTP_COOKIE'])) { $cookies = explode(';', $_SERVER['HTTP_COOKIE']); foreach($cookies as ...
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PHP Pass by reference in foreach [duplicate]

...); foreach ($a as &$v) { } foreach ($a as $v) { echo $v.'-'.$a[3].PHP_EOL; } As you can see, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : ) share |...
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Convert a byte array to integer in Java and vice versa

...default short num = wrapped.getShort(); // 1 ByteBuffer dbuf = ByteBuffer.allocate(2); dbuf.putShort(num); byte[] bytes = dbuf.array(); // { 0, 1 } share | improve this answer | ...
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How do you make an array of structs in C?

... So to put it all together by using malloc(): int main(int argc, char** argv) { typedef struct{ char* firstName; char* lastName; int day; int month; int year; }STUDENT; int numStudents=3; int x; STUD...