php - Take the last primary key id enter in the database to var -

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i need select last id entered in database , put in var. create var in php:

$timid = "" ;

but tried this:

$requete = $bdd->prepare('select last(`timid`)  `timesheets`   '); $requete->execute(array('timid'=> $_post['timid'])) or die(print_r($requete->errorinfo())); $resultat = $requete->fetch(); $timid = $resultat['timid']; echo($timid);

i know syntax of sql wrong how it?

use order id desc , using limit clause can achieve

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