Returns a string containing a specified number of characters from a string
Class: String
Parameters: $string – String from which characters are returned
start – Integer indicating the start position index within $string. d is 0 based
length (Optional) – Integer indicating how many characters to return
Syntax: $returnString=$select($string, start [,length])
Returns:
• If start≥length of $string - A zero-length string
• If length≤0 - A zero-length string
• If length is omitted - A single character string of at index start
• Else - A string containing length characters from index start
Remarks: Set length to a large arbitrary number (e.g. 999) to select all characters from index start to end of $string
Example:
//Example for the string $left method
$s=”SEIKI BATCH SCRIPT” //Set string
$result=$select($s, 6, 5) //Result (= ‘BATCH’)
message(“Selected 5 characters of “ + $s + “ are “ + $result) //Display results message
See Also: $left