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<?php // Everything you enter here will be executed by our servers. Try it! if(preg_match("/^[0-9\.]+$/", '123')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9\.]+$/", '123.0')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9\.]+$/", '123,0')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9\.]+$/", '123aab0')){ echo 'true'; } else{ echo 'false'; } echo trim(' asdf 1234 '); echo 'end'; echo intval('123.53') ?>
Output for 4.3.0 - 7.1.0
truetruefalsefalseasdf 1234end123