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JavaScript isset() equivalent

In PHP you can do if(isset($array['foo'])) { ... } . In JavaScript you often use if(array.foo) { ... } to do the same, but this is not exactly the same statement. The condition will also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well). ...
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Uppercase Booleans vs. Lowercase in PHP

When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use. ...
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Remove a string from the beginning of a string

... want, where you can limit your replace to part of your string: http://nl3.php.net/manual/en/function.substr-replace.php (This will enable you to only look at the beginning of the string.) You could use the count parameter of str_replace ( http://nl3.php.net/manual/en/function.str-replace.php ), th...
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File Upload without Form

..., can I just send a file/files from <input type="file"> to 'upload.php' using POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'. ...
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download file using an ajax request

...ownload. Instead, you could use a success function to navigate to download.php. This will open the download prompt but won't change the current page. $.ajax({ url: 'download.php', type: 'POST', success: function() { window.location = 'download.php'; } }); Even though this ...
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Best way to parse RSS/Atom feeds with PHP [closed]

...ll formed. Are there any other options for parsing RSS and Atom feeds with PHP? 10 Answers ...
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Error in exception handler. - Laravel

...nd this helpful. But, it later creates problems when you're trying to run 'php artisan migrate ...' - as the '/app/storage/' folder gives you 'Permission Denied' error - and you go along fixing all the permissions to owner 'www-data', until you get to '/bootstrap/compiled.php' permissions error. Is ...
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Why won't my PHP app send a 404 error?

...play for 404s. The problem is, once the web server starts processing the PHP page, it's already passed the point where it would handle a 404 User: Hey, do you have anything for me at this URI webserver? Webserver: Yes, I do, it's a PHP page. It'll tell you what the response code is PHP: Hey, OM...
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Running Composer returns: “Could not open input file: composer.phar”

...l you to do the following: $ curl -sS https://getcomposer.org/installer | php $ mv composer.phar /usr/local/bin/composer Then it's likely that you, like me, ran those commands and didn't read the next part of the page telling you to stop referring to composer.phar by its full name and abbreviate ...
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What is the size limit of a post request?

... It depends on a server configuration. If you're working with PHP under Linux or similar, you can control it using .htaccess configuration file, like so: #set max post size php_value post_max_size 20M And, yes, I can personally attest to the fact that this works :) If you're using I...