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How to force a web browser NOT to cache images

... I use PHP's file modified time function, for example: echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />"; If you change the image then the new image is used rather than the cached one, due to havi...
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PHP validation/regex for URL

...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018 – S. Imp May 12 '17 at 21:53  |  show 1...
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Formatting a number with leading zeros in PHP [duplicate]

... from the page linked above, here's a sample "zero-padded integers": <?php $isodate = sprintf("%04d-%02d-%02d", $year, $month, $day); ?> share | improve this answer | ...
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

... Please, take a look at mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you ca...
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PHP Timestamp into DateTime

...romFormat('U', $timeStamp); Where 'U' means Unix epoch. See docs: http://php.net/manual/en/datetime.createfromformat.php share | improve this answer | follow ...
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File upload progress bar with jQuery

...responseText); } }); }); html: <form action="file-echo2.php" method="post" enctype="multipart/form-data"> <input type="file" name="myfile"><br> <input type="submit" value="Upload File to Server"> </form> <div class="progress"> <div ...
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Is there an equivalent for var_dump (PHP) in Javascript?

...low.com/a/11315561/1403755 which is essentially a duplicate of print_r for php – TorranceScott Aug 14 '14 at 21:50 add a comment  |  ...
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How do I grep recursively?

... I can get: /home/vonc/gitpoc/passenger/gitlist/github #grep --include="*.php" -nRHI "hidden" * src/GitList/Application.php:43: 'git.hidden' => $config->get('git', 'hidden') ? $config->get('git', 'hidden') : array(), src/GitList/Provider/GitServiceProvider.php:21: ...
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Checking if form has been submitted - PHP

... type="submit" name="treasure" value="go!"> </form> Then in the PHP handler: if (isset($_POST['treasure'])){ echo "treasure will be set if the form has been submitted (to TRUE, I believe)"; } share | ...
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Facebook share link without JavaScript

... You could use <a href="https://www.facebook.com/sharer/sharer.php?u=#url" target="_blank">Share</a> Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this. Create a server side page for example: "/sharer....