Online PHP editor | output 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 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: 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).
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: Blah blah (METHOD "tagHelloMethod" WAS CALLED) blah blah (METHOD "tagWorldMethod" WAS CALLED). Blah blah (METHOD "tagHelloMethod" WAS CALLED) blah blah (METHOD "tagWorldMethod" WAS CALLED).
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_FUNCTION, expecting T_PAAMAYIM_NEKUDOTAYIM in /in/nBMDX on line 45
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nBMDX on line 16 Parse error: syntax error, unexpected T_STATIC in /in/nBMDX on line 45
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nBMDX on line 16 Parse error: parse error, unexpected T_STATIC in /in/nBMDX on line 45
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nBMDX on line 16 Parse error: parse error in /in/nBMDX on line 45
Process exited with code 255.

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