Use $this to refer to the current object. Use self to refer to the current class. In other words, use $this->member for non-static members, use self::$member for static members.
Source: When to use self vs this -stackoverflow
# To use the "confirm" target inside another target, | |
# use the " if $(MAKE) -s confirm ; " syntax. | |
mycommand: | |
@if $(MAKE) -s confirm ; then \ | |
execute_your_command_here ; \ | |
fi | |
.PHONY: mycommand | |
# The CI environment variable can be set to a non-empty string, |
<VirtualHost *:80> | |
ServerName hostname | |
DocumentRoot /path/to/web | |
DirectoryIndex app.php | |
<Directory /path/to/web> | |
Require all granted | |
AllowOverride None | |
</Directory> |
// g++ -lstdc++ -Wno-write-strings fetch.cpp -o fetch | |
#ifdef _WIN32 // Windows | |
#include <winsock2.h> | |
#include <ws2tcpip.h> | |
#define MSG_NOSIGNAL 0 | |
#else // Linux + Mac | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <netinet/in.h> |
function drips(){ | |
docker ps -q | xargs -n 1 docker inspect --format '{{ .NetworkSettings.IPAddress }} {{ .Name }}' | sed 's/ \// /' | |
} |
Use $this to refer to the current object. Use self to refer to the current class. In other words, use $this->member for non-static members, use self::$member for static members.
Source: When to use self vs this -stackoverflow
<?php | |
/** | |
* This class can add WSSecurity authentication support to SOAP clients | |
* implemented with the PHP 5 SOAP extension. | |
* | |
* It extends the PHP 5 SOAP client support to add the necessary XML tags to | |
* the SOAP client requests in order to authenticate on behalf of a given | |
* user with a given password. | |
* |
<?php | |
$validator = new Validator(); | |
// Each validation rule is a property of the validator object. | |
$validator->username = function($value, $key, $self) | |
{ | |
if(preg_match('~\W~', $value)) | |
{ | |
return 'Your username must only contain letters and numbers'; |
/***************************************************************************** | |
* Copyright (c) 2011 Kenneth Waters | |
* | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a | |
* copy of this software and associated documentation files (the "Software"), | |
* to deal in the Software without restriction, including without limitation | |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
* and/or sell copies of the Software, and to permit persons to whom the | |
* Software is furnished to do so, subject to the following conditions: |