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Learning Swift2 with PHP7
PHP BLT #1
2015-11-24
@suzuki
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Lightning Talks Driven Learning
This talk for my study.
Perhaps it is not interesting for you☻
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Language Specifications
PHP7 : Swift2
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language version
% php --version
PHP 7.0.0RC6 (cli) (built: Oct 29 2015 13:49:53) (
NTS )
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0-dev, Copyright (c) 1998-2015
Zend Technologies
% swift --version
Apple Swift version 2.1 (swiftlang-700.1.101.6
clang-700.1.76)
Target: x86_64-apple-darwin14.5.0
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comment
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type
1, 'b' => 2];
echo $hashVar['a'];
var intVar1 = 123
var intVar2:Int = 123
var floatVar1 = 1.23
var floatVar2:Float = 1.23
var doubleQuote1 = "string"
var doubleQuote2:String = "string"
// single quote is not work
//var singleQuote1 = 'string'
//var singleQuote2:String = 'string'
var arrayVar = [1, 2, 3]
var dic:Dictionary = ["a":1, "b":2]
// "!" is cast for Optional tyep
print(dic["a"]!)
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access
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operator
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if
$b) {
} elseif ($a < $b) {
} else {
}
var a = 123
var b = 456
// Parens can be ommitted.
if a > b {
} else if a < b {
} else {
}
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switch
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for
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while
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function
Array {
var result:[String] = []
for i in 0..<10 {
result.append(str + String(i))
}
return result
}
let list = foo("x")
for l in list {
print(l)
}
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class
bar;
}
}
$example = new Example();
echo $example->foo();
protocol ExampleProtocol {
func foo() -> String
}
class Base {
internal let bar = "bar"
}
class Example: Base, ExampleProtocol {
override init() {
print("initialize")
}
func foo() -> String {
return self.bar
}
}
let example = Example() // no need 'new'
print(example.foo())
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Swift Application
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CLI with Swift2
http://techlife.cookpad.com/entry/2015/11/09/150248
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CLI with Swift2
http://techlife.cookpad.com/entry/2015/11/09/150248
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#!/usr/bin/env swift
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So…
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No content
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Web Application
PHP7 : Swift2
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system structure
nginx
php-fpm
php7
index.php
nginx
fcgiwrap
swift2
index.swift
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form
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confirm
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complete
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execute
run();
#!/usr/bin/env swift
let view = View();
let app = App(view: view);
app.run()
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App::run()
public function run() {
$params = $this->parseGetVars();
$html = '';
$next = $params['next'] ?? '';
switch ($next) {
case 'confirm':
$html =
$this->view->getConfirmHtml($params);
break;
case 'complete':
$html =
$this->view->getCompleteHtml($params);
break;
default:
$html = $this->view->getFormHtml($params);
}
$this->response($html);
}
func run() {
let params = self.parseGetVars()
var html = ""
let next = params["next"] ?? ""
switch next {
case "confirm":
html = self.view.getConfirmHtml(params)
case "complete":
html = self.view.getCompleteHtml(params)
default:
html = self.view.getFormHtml(params)
}
self.response(html);
}
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htmlspecialchars
private function renderTemplate(
string $html,
array $params
): string
{
$replaceKey = [];
$replaceValue = [];
foreach ($params as $key => $value) {
$replaceKey[] = '/{{ ' . $key . ' }}/';
$replaceValue[] =
htmlspecialchars(
$value,
ENT_QUOTES ,
'UTF-8'
);
}
$replaceKey[] = '/{{ action }}/';
$replaceValue[] = 'index.php';
return preg_replace(
$replaceKey, $replaceValue, $html);
}
private func renderTemplate(html: String, params: Dictionary) ->
String {
let pattern = "\\{\\{ action \\}\\}"
let replace = "index.swift"
var html =
html.stringByReplacingOccurrencesOfString(pattern, withString: replace,
options: NSStringCompareOptions.RegularExpressionSearch, range: nil)
for (key, value) in params {
let pattern = "\\{\\{ " + key + " \\}\\}"
let replace = self.htmlspecialchars(value)
html =
html.stringByReplacingOccurrencesOfString(pattern, withString: replace,
options: NSStringCompareOptions.RegularExpressionSearch, range: nil)
}
return html;
}
private func htmlspecialchars(var html: String) -> String {
let replaceDef: Dictionary = [
"\"": """,
"'": "'",
"<": "<",
">": ">",
]
for (key, value) in replaceDef {
let pattern = key;
let replace = value;
html = html.stringByReplacingOccurrencesOfString(pattern, withString:
replace,
options: NSStringCompareOptions.RegularExpressionSearch, range: nil)
}
return html
}
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other code
https://github.com/suzuki/learning-swift2-with-php7
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Conclusion
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• Swift2 can use in web applications, maybe.
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perfect
http://perfect.org/
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• Let's use the new syntax of PHP7.
• It would be helpful to learn other programing languages.
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Thank you
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Reference
• Swift2Ͱ࡞ΔίϚϯυϥΠϯπʔϧ
• http://techlife.cookpad.com/entry/2015/11/09/150248
• Swift 2ඪ४ΨΠυϒοΫ
• http://tatsu-zine.com/books/swift2-hyojyun-guide
• PHP7ͰมΘΔ͜ͱ ——ݴޠ༷ͱΤϯδϯͷվળϙΠϯτ
• http://www.slideshare.net/hnw/phpcon-kansai20150530
• Apple͕SwiftΛΦʔϓϯιʔεԽ
• http://www.infoq.com/jp/news/2015/06/swift-opensourced