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App 桌面快捷方式、剪贴板、首次运行判断…App Inventor 新组件「应用工具...
...记，之后都是假。调试时用「重置首次运行」恢复。常见问题• 打开应用市场没反应：App 还没上架，详情页不存在；• 是否已安装总是假：包名写错，鸿蒙包名与安卓不同；• 粘贴返回空文本：剪贴板里没文字，或刚打开就...
PHP cURL HTTP CODE return 0
..., there is nobody to send a code back.
Tested using the code below.
<?php
$html_brand = "www.google.com";
$ch = curl_init();
$options = array(
CURLOPT_URL => $html_brand,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER => true,
CURLOPT_FOLLOWLOCATION...
php - get numeric index of associative array
...hrough the array manually to find it, but is there a better way build into PHP?
7 Answers
...
Adding days to $Date in PHP
...
All you have to do is use days instead of day like this:
<?php
$Date = "2010-09-17";
echo date('Y-m-d', strtotime($Date. ' + 1 days'));
echo date('Y-m-d', strtotime($Date. ' + 2 days'));
?>
And it outputs correctly:
2010-09-18
2010-09-19
...
How to print a debug log?
I'd like to debug some PHP code, but I guess printing a log to screen or file is fine for me.
15 Answers
...
How to Debug Variables in Smarty like in PHP var_dump()
...
You can use {php} tags
Method 1 (won't work in Smarty 3.1 or later):
{php}
$var =
$this->get_template_vars('var');
var_dump($var);
{/php}
Method 2:
{$var|@print_r}
Method 3:
{$var|@var_dump}
...
PHP Difference between array() and []
I'm writing a PHP app and I want to make sure it will work with no errors.
5 Answers
5...
How to sort an array of associative arrays by value of a given key in PHP?
... = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
As of PHP 5.5.0 you can use array_column() instead of that foreach:
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
...
A more pretty/informative Var_dump alternative in PHP? [closed]
Every decent PHP programmer has a print_r or var_dump wrapper they use, love and assign shortcut keys to, why don't we share our favourite ones .
...
How to know which version of Symfony I have?
...s the console, try reading symfony/src/Symfony/Component/HttpKernel/Kernel.php, where the version is hardcoded, for instance:
const VERSION = '2.2.0';
Just in case you are wondering, console creates an instance of Symfony\Bundle\FrameworkBundle\Console\Application. In this class construct...