php で動的関数

<?php

class Foo {
  public static function a() {
    echo( "Foo::a()\n" );
  }

  public static function by_name() {
    echo( "Foo::by_name()\n" );
  }

  public static function by_column(
    $column,
    $param
  ) {
    echo( "Foo::by_column_" . $column . "(" . $param . ")\n" );
  }

  function __call( $name, $params ) {
    $names = split( '[_]', $name );
    if( $names[0] && $names[0] == "find" && $names[1] && $names[1] == "by" && $names[2] ) {
      Foo::by_column( $names[2], $params[0] );
    }
  }

}

$cname = "Foo";

$cname::a();

$bname = "by_";

$dname = $bname . "name";

//$cname::$bname . "name"();
$cname::$dname();

$inst = new Foo;

 $inst->find_by_session( "hoge" );

?>

　こうやってみれば、スクリプトはオモロイかも…。