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Get PHP class property by string
How do I get a property in a PHP based on a string? I'll call it magic . So what is magic ?
12 Answers
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...) can use prepared statements in the query cache. So your version of MySQL+PHP can use prepared statements with the query cache. However, make careful note of the caveats for caching query results in the MySQL documentation. There are many kinds of queries which cannot be cached or which are useless...
Calling closure assigned to object property directly
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As of PHP7, you can do
$obj = new StdClass;
$obj->fn = function($arg) { return "Hello $arg"; };
echo ($obj->fn)('World');
or use Closure::call(), though that doesn't work on a StdClass.
Before PHP7, you'd have to implem...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...y success. Tried to change everything (daemon modes, users, nginx versions etc). It just does not work for me. """open() "/dev/stderr" failed (6: No such device or address)""" (same issues with stdout, but nginx should output to stderr according to docs)
– Ivan Kleshnin
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How to get the file extension in PHP? [duplicate]
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'Only variables should be passed by reference', the PHP Manual
– dader
Dec 20 '12 at 2:01
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Using $_POST to get select option value from HTML
... Where do I put the $selectOption = $_POST['taskOption']; I put it in the php but it does nothing....
– Yunfei Chen
2 days ago
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PHP cURL custom headers
I'm wondering if/how you can add custom headers to a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers:
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Do AJAX requests retain PHP Session info?
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If PHP error reporting is turned on, you can get a session error returned with the AJAX response. I've been intermittently getting a Warning: session_write_close(): Failed to write session data (user) error lately in a project, ...
通信连接组件 · App Inventor 2 中文网
...果与服务器的连接丢失（不是服务器关闭，而是 wifi 连接问题），则不会有任何事件触发（但崩溃现已修复）。
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String comparison using '==' vs. 'strcmp()'
It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp() ?
13 Answers
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