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upstream sent too big header while reading response header from upstream
...ove the message, is it streaming with logged lines preceding the message? PHP message: PHP Notice: Undefined index:
Example snippet from a loop my log file:
2015/11/23 10:30:02 [error] 32451#0: *580927 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/class...
List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
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PHP how to get local IP of system
I need to get local IP of computer like 192.*....
Is this possible with PHP?
16 Answers
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Best XML Parser for PHP [duplicate]
... C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement.
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PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
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How to convert string to boolean php
...uate to boolean true unless they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that val...
Does PHP have threading?
... threads , but there is not a release yet. And nothing is coming up on the PHP website.
13 Answers
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Fastest way to check if a string is JSON in PHP?
... It's worth noting that this works correctly in theory. Unfortunately PHP's json_decode function has a number of bugs, which will allow invalid JSON to be parsed in odd ways. isJson('0123') should return false because 0123 is not JSON, however isJson('123') should return true because 123 is JSO...
PHP parse/syntax errors; and how to solve them
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What are the syntax errors?
PHP belongs to the C-style and imperative programming languages. It has rigid grammar rules, which it cannot recover from when encountering misplaced symbols or identifiers. It can't guess your coding intentions.
Most impo...
How does RewriteBase work in .htaccess
...hs in the rule's target. So say you have this rule:
RewriteRule ^foo$ bar.php [L]
The bar.php is a relative path, as opposed to:
RewriteRule ^foo$ /bar.php [L]
where the /bar.php is an absolute path. The absolute path will always be the "root" (in the directory structure above). That means tha...