49 lines
802 B
PHP
49 lines
802 B
PHP
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<?php
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/*
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* This file is part of PicoTools.
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*
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* (c) Frédéric Guillot http://fredericguillot.com
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace PicoTools;
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function singleton($name)
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{
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static $instance = array();
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if (! isset($instance[$name])) {
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$callback = container($name);
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if (! is_callable($callback)) {
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return null;
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}
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$instance[$name] = $callback();
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}
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return $instance[$name];
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}
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function container($name, $value = null)
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{
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static $container = array();
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if (null !== $value) {
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$container[$name] = $value;
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}
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else if (isset($container[$name])) {
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return $container[$name];
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}
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return null;
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}
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