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New Stuff in PHP 7.0

1. Scalar type definitions: they come in two flavours: coercive (default) and strict. The following types for parameters can now be enforced (either coercively or strictly): strings (string), integers (int), floating-point numbers (float), and booleans (bool). They augment the other types introduced in PHP 5: class names, interfaces, array and callable.
   • https://blog.programster.org/php-strict-types
   • Typed pass-by-reference Parameters gotcha: Declared types of reference parameters are checked on function entry, but not when the function returns, so after the function had returned, the argument's type may have changed. For example:

   <?php
   function array_baz(array &$param)
   {

$param = 1;

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• Make sure xdebug is enabled in your php installation
• The following lines worked for me in my php.ini with PHP 7.2 on Windows 10

[xdebug]
zend_extension ="php_xdebug-2.6.1-7.2-vc15-x86_64.dll"
;xdebug.remote_enable=1
;xdebug.remote_handler=dbgp
;xdebug.remote_mode=req
;xdebug.remote_host=127.0.0.1
;xdebug.remote_port=9000

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<?php
/**
 * 
 * A robust way of retrieving the value of a a specified property in 
 * an instance of a class. 
 * 
 * Works with \stdClass objects created from arrays with numeric key(s) 
 * (the value of the propertie(s) with numeric key(s) in such \stdClass 
 * objects will be retrieved by this function).
 *  

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<?php
/**
 * 
 * A collection of Cfs_Model_Base_Record records.
 * @package Cfs_Model
 * 
 */
class Cfs_Model_Base_Collection extends Solar_Sql_Model_Collection {
    
    /**

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// see also https://stackoverflow.com/questions/359788/how-to-execute-a-javascript-function-when-i-have-its-name-as-a-string

window.example = function () { alert('hello world'); };

//or
name = 'example';
window[name] = function () { alert('hello world'); };

//or
window[name] = new Function( 'alert("hello world")' );

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<?php
$phpword_writer_wrapper = new \Promis2\PhpWordWriterWrapper();

// New Word document
$phpWord = new \PhpOffice\PhpWord\PhpWord();

// Do stuff with $phpWord
// ............
// ............

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Go to => Handing JSON data errors in Slim 3

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<?php
    function formatSizeUnits($bytes)
    {
        if ($bytes >= 1073741824)
        {
            $bytes = number_format($bytes / 1073741824, 2) . ' GB';
        }
        elseif ($bytes >= 1048576)
        {
            $bytes = number_format($bytes / 1048576, 2) . ' MB';

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See https://cheatsheetseries.owasp.org/, it's more comprehensive and up to date

PHP Security checklist

Basic

• Strong passwords are used.
• Passwords stored safely.
• register_globals is disabled.

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# Make sure you have already installed apache and mysql;

# install rails
# https://help.ubuntu.com/lts/serverguide/ruby-on-rails.html
sudo apt install rails

# install comman dependencies
sudo apt-get install build-essential patch ruby-dev zlib1g-dev liblzma-dev make libmysqlclient-dev imagemagick \
libmagickcore-dev libmagickwand-dev