Online PHP editor | refs for dpfvk

<?php class HardcodedLocator { public function getFoo() { return null; } } class ConfigurableLocator { protected $services = array(); public function set( $name, $value ) { if ( isset( $this->services[$name] ) ) { throw new LogicException( 'Cannot redefine!' ); } $this->services[$name] = $value; } public function get( $name ) { if ( !isset( $this->services[$name] ) ) { throw new LogicException( 'No such service' ); } return $this->services[$name](); } } $hl = new HardcodedLocator(); $cl = new ConfigurableLocator(); $cl->set( 'foo', function() { return null; } ); $rounds = 10000; $htime = microtime( true ); for ( $i = 0; $i < $rounds; $i++ ) { $hl->getFoo(); } $htime = microtime( true ) - $htime; $ctime = microtime( true ); for ( $i = 0; $i < $rounds; $i++ ) { $cl->get( 'foo' ); } $ctime = microtime( true ) - $ctime; echo 'overhead: ' . ( ( $ctime - $htime ) / $rounds );