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Getting the name of a child class in the parent class (static context)
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in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references:
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edit: an example of late static binding in PHP 5.3 (mentioned in comments). no...
PHP Sort Array By SubArray Value
...parison functions just require a return of 1, 0, or -1 indicating the sort order for two elements.
– Tesserex
Mar 19 '10 at 13:19
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If isset $_POST
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empty space is considered as set. You need to use empty() for checking all null options.
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Set cURL to use local virtual hosts
...nd. The default config file is checked for in the following places in this order:
1) curl tries to find the "home dir": It first checks for the CURL_HOME and then the HOME environment variables. Failing that, it uses getpwuid() on UNIX-like systems (which returns the home dir
given ...
Python append() vs. + operator on lists, why do these give different results?
...st. Specifically, it appends each of the elements of sequence in iteration order.
An aside
Being an operator, + returns the result of the expression as a new value. Being a non-chaining mutator method, list.extend() modifies the subject list in-place and returns nothing.
Arrays
I've added this due t...
How to send multiple data fields via Ajax? [closed]
...ing AJAX, but I can't find a way to send multiple data fields via my AJAX call.
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Accurate way to measure execution times of php scripts
I want to know how many milliseconds a PHP for-loop takes to execute.
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How can I get useful error messages in PHP?
...ple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
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Best way to select random rows PostgreSQL
... select * from table where random() < 0.01;
EXPLAIN select * from table order by random() limit 1000;
A quick test on a large table1 shows, that the ORDER BY first sorts the complete table and then picks the first 1000 items. Sorting a large table not only reads that table but also involves rea...
PHP session lost after redirect
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First, carry out these usual checks:
Make sure session_start(); is called before any sessions are being called. So a safe bet would be to put it at the beginning of your page, immediately after the opening <?php declaration before anything else. Also ensure there are no whitespaces/tabs be...