Online PHP editor | output for tS5Sd

@ 2014-04-30T00:08:00Z

<?php
function event($name,$cb = null){
	static $e = array();
	if ( is_callable($cb) ){
		empty( $e[$name] ) ? $e[$name] = array($cb) : $e[$name][] = $cb;
	} elseif ( false === empty($e[$name]) ) {
		$a = is_array($cb) ? $cb : array();
		foreach ($e[$name] as $eh) call_user_func_array($eh,$a);
	}
}

// Add a foo event handler
event('foo',function(){
	print_r(func_get_args());
});
 
// Add another foo event handler
event('foo',function(){
	echo 'Hello, friend!';
});
 
 
// Call foo event with parameters
event('foo',array(1,2));
 
// Call bar event (does nothing)
event('bar');

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Array ( [0] => 1 [1] => 2 ) Hello, friend!
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/tS5Sd on line 13
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: Parse error: parse error, unexpected T_FUNCTION in /in/tS5Sd on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/tS5Sd on line 13
Process exited with code 255.

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