array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'ja', ), 'this' => array ( 0 => 'ds-map.hasvalue.php', 1 => 'Ds\\Map::hasValue', ), 'up' => array ( 0 => 'class.ds-map.php', 1 => 'Ds\\Map', ), 'prev' => array ( 0 => 'ds-map.haskey.php', 1 => 'Ds\\Map::hasKey', ), 'next' => array ( 0 => 'ds-map.intersect.php', 1 => 'Ds\\Map::intersect', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/ds/ds/map/hasvalue.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL ds >= 1.0.0)
Ds\Map::hasValue — Determines whether the map contains a given value
value
The value to look for.
例1 Ds\Map::hasValue() example
<?php
$map = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
var_dump($map->hasValue(1)); // true
var_dump($map->hasValue(4)); // false
?>
上の例の出力は、 たとえば以下のようになります。
bool(true) bool(false)