aerospike_predicatebetween.md

Aerospike::predicateBetween

Aerospike::predicateBetween - helper method for building the between WHERE predicate

Description

public array Aerospike::predicateBetween ( string $bin, int $min, int $max )

Aerospike::predicateBetween() will return an array that can be passed as the $where arguement in Aerospike::query().

Parameters

bin the bin name operand

min the integer value to start with

max the integer value to end with

Return Values

Returns an array with the following structure:

Associative Array:
  bin => bin name
  op => Aerospike::OP_BETWEEN
  val => array

or NULL on failure.

Examples

<?php

$config = array("hosts"=>array(array("addr"=>"localhost", "port"=>3000)));
$db = new Aerospike($config);
if (!$db->isConnected()) {
   echo "Aerospike failed to connect[{$db->errorno()}]: {$db->error()}\n";
   exit(1);
}

$where = Aerospike::predicateBetween("age", 30, 39);
var_dump($where);

?>

We expect to see:

array(3) {
  ["bin"]=>
  string(3) "age"
  ["op"]=>
  string(1) "BETWEEN"
  ["val"]=>
  array(2) {
    [0]=>
    int(30)
    [1]=>
    int(39)
  }
}