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CollectionFind::bind

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CollectionFind::bindBind value to query placeholder

Descrição

public mysql_xdevapi\CollectionFind::bind(array $placeholder_values): mysql_xdevapi\CollectionFind

It allows the user to bind a parameter to the placeholder in the search condition of the find operation. The placeholder has the form of :NAME where ':' is a common prefix that must always exists before any NAME, NAME is the actual name of the placeholder. The bind function accepts a list of placeholders if multiple entities have to be substituted in the search condition.

Parâmetros

placeholder_values

Values to substitute in the search condition; multiple values are allowed and are passed as an array where "PLACEHOLDER_NAME => PLACEHOLDER_VALUE".

Valor Retornado

A CollectionFind object, or chain with execute() to return a Result object.

Exemplos

Exemplo #1 mysql_xdevapi\CollectionFind::bind() example

<?php
$session
= mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();

$schema = $session->getSchema("addressbook");
$create = $schema->createCollection("people");
$result = $create
->add('{"name": "Alfred", "age": 18, "job": "Butler"}')
->
execute();

// ...

$collection = $schema->getCollection("people");

$result = $collection
->find('job like :job and age > :age')
->
bind(['job' => 'Butler', 'age' => 16])
->
execute();

var_dump($result->fetchAll());
?>

O exemplo acima produzirá algo semelhante a:

array(1) {
  [0]=>
  array(4) {
    ["_id"]=>
    string(28) "00005b6b536100000000000000cf"
    ["age"]=>
    int(18)
    ["job"]=>
    string(6) "Butler"
    ["name"]=>
    string(6) "Alfred"
  }
}
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