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Sort array of objects by object fields
... second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class
Using arrow functions (from...
How to change the default encoding to UTF-8 for Apache?
... this answer is from 2009: in Ubuntu 18, you change this configuration in /etc/apache2/conf-available/charset.conf
– WoodrowShigeru
Jun 11 '19 at 12:51
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...fficient - a long long type in GNU C and POSIX/SuS, or sprintf('%u'...) in PHP or the BCmath extension.
What are some potentially breaking use cases even though we're not yet in 2038?
So a MySQL DATETIME has a range of 1000-9999, but TIMESTAMP only has a range of 1970-2038. If your system stores...
Parse query string into an array
...se it does not work if you use the same key multiple times (yes because in php array keys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"]=>array("lorem", "ipsum")) or do I have to create t...
Remove all files except some from a directory
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rm !(textfile.txt|backup.tar.gz|script.php|database.sql|info.txt)
The extglob (Extended Pattern Matching) needs to be enabled in BASH (if it's not enabled):
shopt -s extglob
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How to set default value to the input[type=“date”] [duplicate]
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Ah thanks for this! I am defaulting to today's date with php, and I didn't realize that my problem was just the formatting of the date. I was doing <input type="date" value="<?php echo date('m/d/Y'); ?>" name="date" id="date" title="Pick a date" /> And a variety ...
How can I brew link a specific version?
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If you have installed, for example, php 5.4 it could be switched in the following way to php 5.5:
$ php --version
PHP 5.4.32 (cli) (built: Aug 26 2014 15:14:01)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologie...
how to get the cookies from a php curl into a variable
...KIELIST which extracts all known cookies. All you need is to make sure the PHP/CURL binding can use it.
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How to [recursively] Zip a directory in PHP?
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USAGE: thisfile.php?dir=./path/to/folder (After zipping, it starts download too:)
<?php
$exclude_some_files=
array(
'mainfolder/folder1/filename.php',
'mainfolder/folder5/otherfile.php'
);
//***************built from htt...
Find nearest latitude/longitude with an SQL query
...ed below is for about 180 pizzarias scattered across the United States. In phpMyAdmin, you can use the IMPORT tab to import various file formats, including CSV (comma-separated values). Microsoft Excel and Google Spreadsheets both export to CSV format, so you can easily transfer data from spreadshee...