How to sort by a certain key of an Array in Silex/Twig

Tag: php,arrays,sorting,twig,silex

How do I sort an array like this, by the timestamp field, using Silex and/or Twig? I've looked at the documentation, silex doesnt seem to show anything, and twig is scant http://twig.sensiolabs.org/doc/filters/sort.html.

array (size=10)
  0 => 
    array (size=3)
      'title' => string 'aaaaaa' (length=39)
      'content' => string 'zzzzzzzzzzzzzzzzz'... (length=3324)
      'timestamp' => string '2014-03-18 15:27:13' (length=19)
  1 => 
    array (size=3)
      'title' => string 'aaaaaaaaaa' (length=45)
      'content' => string 'zzzzzzzzzzzz'... (length=2895)
      'timestamp' => string '2014-02-02 12:27:13' (length=19)
  2 => 
    array (size=3)
      'title' => string 'aaaaaaaa' (length=26)
      'content' => string 'zzzzzzzzzzzzzz'... (length=2753)
      'timestamp' => string '2013-12-01 11:45:19' (length=19)

....

Best How To :

What about using some PHP?

usort($data, function($a, $b) {
    return strtotime($a['timestamp']) < strtotime($b['timestamp']) ? -1 : 1;
});

If you are getting the data from a database then you should let the database sort it for you. It is a lot faster than doing it yourself.

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javascript,arrays,sorting

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php,codeigniter,validation

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php

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php,codeigniter,calendar

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php,symfony2,rss

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arrays,ruby,csv

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php,laravel,interface,namespaces

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javascript,php,jquery,html,css3

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javascript,php,wordpress

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php,mysql,pdo

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c++,arrays,string

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php,composer-php,autoload

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php,codeigniter,pagination

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php,google-chrome,mozilla

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javascript,arrays,substring

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php

Set short_open_tag=On in php.ini And restart your Apache server...

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javascript,jquery,html,arrays,contains

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php,sql

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javascript,arrays

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php,email,laravel,laravel-4

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php,mysql

If I understand correctly you have a unix timestamp in a varchar field and you can't change this. If you compare the unix timestamp directly you will only get results that match the exact second of the timestamp. You can use FROM_UNIXTIME() to convert the timestamp in a date value...

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javascript,php

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php,mysql,mysqli,sql-injection,sql-insert

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javascript,php

Your PHP is checking if $_POST['submit'] contains a value. Your form does not contain a form element with the attribute name="submit", so therefore it fails and moves straight to the else statement. If you want to check if the form was posted then you should instead check for: if (!empty($_POST))...

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php,html,mysql,table,data

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javascript,arrays,angularjs,foreach

You cannot store key-value pair in array. Use object to store key-value pair. See comments inline in the code. var obj = {}; // Initialize the object angular.forEach(data, function(value, key) { if (value.start_date > firstdayOfWeek && value.start_date < lastdayOfWeek) { if (obj[value.firstname]) { // If already exists obj[value.firstname] += value.distance;...

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php,forms,symfony2,runtime-error

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php,laravel,laravel-5

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php,angularjs,pdo,gruntjs

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php

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php,sql-server,pdo,odbc,sqlsrv

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php,mysql

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You can use a simple array based test like var validCodes = ['IT00', 'O144', '6A1L', '4243', 'O3D5', '44SG', 'CE64', '54FS', '4422']; function validItems(items) { for (var i = 0; i < items.length; i++) { if (validCodes.indexOf(items[i]) == -1) { return items[i]; } } return ''; } var items = ["IT00",...

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ruby-on-rails,arrays,ruby,multidimensional-array

dup does not create a deep copy, it copies only the outermost object. From that docs: Produces a shallow copy of obj—the instance variables of obj are copied, but not the objects they reference. dup copies the tainted state of obj. If you are not sure how deep your object...

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php,database,mysqli

$query = "INSERT INTO `myDatabaseForAll`.`users` (`id`, `firstname`, `lastname`, `username`, `password`) VALUES (NULL, $firstname, $lastname,$username,$password)"; you need single quote around text feilds in sql queries change above query to $query = "INSERT INTO `myDatabaseForAll`.`users` (`id`, `firstname`, `lastname`, `username`, `password`) VALUES (NULL, '$firstname', '$lastname','$username','$password')"; ...

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php,time

<?php $duration="1H10M5S"; $display=str_replace(array('H','M','S'), array(' Hour(s) ',' Minute(s) ',' Seconds'), $duration); echo $display; Output 1 Hour(s) 10 Minute(s) 5 Seconds Fiddle...

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android,arrays,gridview

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php,email,codeigniter-2,phpmailer,contact-form

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php,html,select,drop-down-menu

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php

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php,mysql

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php,mysql,image

This looks like a job for glob, which returns an array of file names matching a specified pattern. I'm aware of the other answer just posted, but let's provide an alternative to regex. According to the top comment on the docs page, what you could do is something like this:...

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php,regex

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