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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
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Serializing PHP object to JSON
So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment.
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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...
When should I use Memcache instead of Memcached?
It seems that PHP has two memcached libraries named memcache and memcached . What is the difference and how do you know which one to use? Is one outdated? It seems that memcached offers more methods so I would assume that means it has had the most development - but it also seems to require exter...
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...体验也开始下降。物流配送上的巨大投入也是其资金出现问题的一个重大原因。
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“死亡”时间：7月22日，停止售货。
模式：定位于国内首家专注于95后的青少年个...
file_put_contents - failed to open stream: Permission denied
...to write a query to a file for debugging. The file is in database/execute.php . The file I want to write to is database/queries.php .
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Formatting Phone Numbers in PHP
...ore robust, international solution, I would recommend this well-maintained PHP port of Google's libphonenumber library.
Using it like this,
use libphonenumber\NumberParseException;
use libphonenumber\PhoneNumber;
use libphonenumber\PhoneNumberFormat;
use libphonenumber\PhoneNumberUtil;
$phoneUt...
What's the difference between isset() and array_key_exists()? [duplicate]
...t will return false when the array value is set to null.
See isset on the PHP documentation site.
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
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PHP 7+
As of PHP 7, this task can be performed simply by using the Null coalescing operator like this :
echo !empty($address['street2']) ?? 'Empty';
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Converting an integer to a string in PHP
Is there a way to convert an integer to a string in PHP?
14 Answers
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