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PHP Sort Array By SubArray Value
...- $b["optionNumber"];
}
...
usort($array, "cmp_by_optionNumber");
In PHP ≥5.3, you should use an anonymous function instead:
usort($array, function ($a, $b) {
return $a['optionNumber'] - $b['optionNumber'];
});
Note that both code above assume $a['optionNumber'] is an integer. Use @St...
How can I parse a JSON file with PHP? [duplicate]
I tried to parse a JSON file using PHP. But I am stuck now.
16 Answers
16
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Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
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PHP - concatenate or directly insert variables in string
I am wondering, What is the proper way for inserting PHP variables into a string?
This way:
14 Answers
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...尽量避免创建不必要的对象，有下面一些例子来说明这个问题：
如果你需要返回一个String对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做...
Safely remove migration In Laravel
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I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the compos...
Best Practices for Laravel 4 Helpers and Basic Functions?
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The ugly, lazy and awful way: At the end of bootstrap/start.php , add an include('tools.php') and place your function in that new file.
The clean way: Create a library. That way it'll be autoloaded ONLY when you actually use it.
Create a libraries folder inside your app folder
Crea...
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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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...
Run a PHP file in a cron job using CPanel
I am just trying to run a PHP script using a cron job within CPanel - is this the correct syntax:
12 Answers
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