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is_file or file_exists in PHP
...xists in directory or false if file not exists as I check in 2020 might be php version update it
– heySushil
Mar 29 at 16:43
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PHP: Storing 'objects' inside the $_SESSION
... is made, the class declaration/definition has already been encountered by PHP or can be found by an already-installed autoloader. otherwise it would not be able to deserialize the object from the session store.
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cleanest way to skip a foreach if array is empty [duplicate]
...oid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
11 Answers
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Creating a config file in PHP
I want to create a config file for my PHP project, but I'm not sure what the best way to do this is.
10 Answers
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Laravel migration: unique key is too long, even if specified
...tions guide to fix this all you have to do is edit your AppServiceProvider.php file and inside the boot method set a default string length:
use Illuminate\Database\Schema\Builder;
public function boot()
{
Builder::defaultStringLength(191);
}
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Adding minutes to date time in PHP
...ck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere.
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jQuery UI Sortable, then write order into a database
...Ted array and update the elements' positions accordingly.
For example, in PHP:
$i = 0;
foreach ($_POST['item'] as $value) {
// Execute statement:
// UPDATE [Table] SET [Position] = $i WHERE [EntityId] = $value
$i++;
}
Example on jsFiddle.
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WEB端测试与移动端测试的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试来说，比较重要的一个步骤就是报bug,在web端我们发现问题之后，可以利用系统自动工具或者其他截图工具直接截图，然后将错误的地方或者比较 重要的点进行标记，但是在移动端，截图相对来说就没那么简单了，因为这地方...
upstream sent too big header while reading response header from upstream
...ove the message, is it streaming with logged lines preceding the message? PHP message: PHP Notice: Undefined index:
Example snippet from a loop my log file:
2015/11/23 10:30:02 [error] 32451#0: *580927 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/class...
In where shall I use isset() and !empty()
...riables and not just values, so isset("foobar") will raise an error. As of PHP 5.5, empty supports both variables and expressions.
So your first question should rather be if isset returns true for a variable that holds an empty string. And the answer is:
$var = "";
var_dump(isset($var));
The typ...