04-12-2005
string of 7 char length always...
Hi,
I know, particular value in the variable should always be of lenth 7 , but the value that is present in thevariable might be of any no.of characters less than or equal to 7... if the no.of characters in the variable is less than 7, I want to add, zeroes at the starting of the field.. How can this be done...
variable
current value It has to be
7 0000007
123 0000123
7654321 7654321
Let me know, how this can be achieved easily
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LEARN ABOUT PHP
gupnp_service_proxy_add_notify
GUPNP_SERVICE_PROXY_ADD_NOTIFY(3) 1 GUPNP_SERVICE_PROXY_ADD_NOTIFY(3)
gupnp_service_proxy_add_notify - Sets up callback for variable change notification
SYNOPSIS
bool gupnp_service_proxy_add_notify (resource $proxy, string $value, int $type, mixed $callback, [mixed $arg])
DESCRIPTION
Sets up callback to be called whenever a change notification for variable is recieved.
PARAMETERS
o $proxy
- A service proxy identifier.
o $value
- The variable to add notification for.
o $type
- The type of the variable. Type can be one of the following values:
o GUPNP_TYPE_BOOLEAN - Type of the variable is boolean.
o GUPNP_TYPE_INT - Type of the variable is integer.
o GUPNP_TYPE_LONG - Type of the variable is long.
o GUPNP_TYPE_DOUBLE - Type of the variable is double.
o GUPNP_TYPE_FLOAT - Type of the variable is float.
o GUPNP_TYPE_STRING - Type of the variable is string.
o $callback
- The callback to call when variable changes. Typically, callback function takes on three parameters. The $variable parameter
being the first, $value parameter being the second, and the $arg is third.
o $arg
- User data for $callback.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
SEE ALSO
gupnp_service_proxy_remove_notify(3).
PHP Documentation Group GUPNP_SERVICE_PROXY_ADD_NOTIFY(3)