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<?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',[1,2]); // Call bar event (does nothing) event('bar');
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 ) Hello, friend!

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