Fonction PHP mysqli poll()
Définition et utilisation
La fonction poll() / mysqli_poll() est utilisée pour interroger les connexions.
Syntaxe
Style orienté objet :
$mysqli -> poll(read, error, reject, seconds, microseconds)
Style procédural :
mysqli_poll(read, error, reject, seconds, microseconds)
Valeurs des paramètres
Parameter | Description |
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read | Required. Specifies a list of connections to check for outstanding results that can be read |
error | Required. Specifies a list of connections on which an error occurred, like query failure or lost connection |
reject | Required. Specifies a list of connections rejected because no asynchronous query has been run on for which the function could poll results |
seconds | Required. Specifies the maximum number of seconds to wait |
microseconds | Optional. Specifies the maximum number of microseconds to wait. Default is 0 |
Détails techniques
Valeur de retour : | Le nombre de connexions prêtes en cas de succès. FAUX en cas d'échec |
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Version PHP : | 5.3+ |
❮ Référence PHP MySQLi