Online PHP editor | rfc for nBMDX

@ 2015-04-24T00:11:22Z

<?php
error_reporting(-1);
ini_set('display_errors', 1);

class system_tags {
	function __call($name, $params) {
		return '(METHOD "' . $name . '" WAS CALLED)';
	}
}

class App {
	function run() {
		// Prerequisites.
		$system_tags = new system_tags();
		
		$core = new \stdClass();
		$core->tags = array(
			'hello' => 'tagHelloMethod',
			'world' => 'tagWorldMethod',
		);
		
		$this->template = 'Blah blah {hello} blah blah {world}.';
		$this->withStrReplace($core, $system_tags);
		
		
		$this->template = 'Blah blah {hello} blah blah {world}.';
		$this->withRegexReplaceCallback($core, $system_tags);
	}
	
	function withStrReplace($core, $system_tags) {
	    
		foreach($core->tags as $tag_name => $tag_method) {
			$this->template = str_replace(
				'{' . $tag_name . '}', 
				$system_tags->{$tag_method}(), 
				$this->template
			);
		}
		
		echo $this->template . "\n";
	}
		
	function withRegexReplaceCallback($core, $system_tags) {
	    
		$callback = static function ($matches) use (& $tag_method, $system_tags) {
			return $system_tags->{$tag_method}();
		};
		
		foreach($core->tags as $tag_name => $tag_method) {
			$this->template = preg_replace_callback(
				'/\{' . preg_quote($tag_name) . '\}/', 
				$callback, 
				$this->template
			);
		}
		
		echo $this->template . "\n";
	}
}

$app = new App();
$app->run();

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Creation of dynamic property App::$template is deprecated in /in/nBMDX on line 22 Blah blah (METHOD "tagHelloMethod" WAS CALLED) blah blah (METHOD "tagWorldMethod" WAS CALLED). Blah blah (METHOD "tagHelloMethod" WAS CALLED) blah blah (METHOD "tagWorldMethod" WAS CALLED).

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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