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How to check for null in Twig?
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In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null.
– Pavel Petrov
Sep 19 '17 at 7:59
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Class 'DOMDocument' not found
...OM extension. You can do so on Debian / Ubuntu using:
sudo apt-get install php-dom
And on Centos / Fedora / Red Hat:
yum install php-xml
If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3.
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Fatal error: Class 'SoapClient' not found
... service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file:
11 Answers
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
.... Instead of asking my question in bulk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
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MySQL vs MySQLi when using PHP [closed]
...It should also be noted that MySQLi only works with MySQL 5+. This isn't really relevant anymore, but when MySQLi came out, MySQL 4 was still the standard. This is part of the reason the extensions are separate, the old MySQL driver staying there for compatibility purposes.
– z...
Manipulate a url string by adding GET parameters
...category'] = 2; // Overwrite if exists
$params['tags'][] = 'cool'; // Allows multiple values
// Note that this will url_encode all values
$url_parts['query'] = http_build_query($params);
// If you have pecl_http
echo http_build_url($url_parts);
// If not
echo $url_parts['scheme'] . '://' . $...
What type of hash does WordPress use?
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I don't know if this will help at all, but WP will still take the straight MD5 the first time you used the Password, then it will "salt" it. SO, if you have access to the DB, using MyPHPAdmin you can change the PW to "MyPass", select MD5 in the "Function" dro...
Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...color($new_size[0],$new_size[1]);
imagecolortransparent($new_im, imagecolorallocate($new_im, 0, 0, 0));
imagecopyresampled($new_im,$im,0,0,0,0,$new_size[0],$new_size[1],$size[0],$size[1]);
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Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
...g the most recent PHPUnit version on their PHP 7 builds. My fix was to manually download an old phar and use that instead.
– DisgruntledGoat
Mar 13 '17 at 17:12
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C语言面试那些事儿──一道指针与数组问题 - c++1y / stl - 清泛IT社区，为创新赋能！
...言指针较晦涩和难懂的地方。
理解了这两点的话，上述问题则十分简单：a + 1：现在把a看作一个指针，指针+1操作，根据C语言语义，实际增加偏移量的是指针指向类型的长度，即32位机器下的int型，即4字节，故a+1就是&a[1]，...