57 lines
1.3 KiB
PHP
57 lines
1.3 KiB
PHP
<?php
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namespace nur\sery\wip\php\access;
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/**
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* Class ValueAccess: accès à une valeur unitaire
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*/
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class ValueAccess extends AbstractAccess {
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function __construct(&$dest, ?array $params=null) {
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$this->dest =& $dest;
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$this->allowNull = $params["allow_null"] ?? false;
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$this->allowFalse = $params["allow_false"] ?? true;
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$this->allowEmpty = $params["allow_empty"] ?? true;
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}
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/** @var mixed */
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protected $dest;
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function reset(&$dest): self {
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$this->dest =& $dest;
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return $this;
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}
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protected bool $allowNull;
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protected bool $allowFalse;
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protected bool $allowEmpty;
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function exists(): bool {
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return $this->allowNull || $this->dest !== null;
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}
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function available(): bool {
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if (!$this->exists()) return false;
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$value = $this->get();
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if ($value === false) return $this->allowFalse;
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if ($value === "") return $this->allowEmpty;
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return true;
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}
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function get($default=null) {
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$value = $this->dest;
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if ($value === null && !$this->allowNull) return $default;
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if ($value === false && !$this->allowFalse) return $default;
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if ($value === "" && !$this->allowEmpty) return $default;
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return $value;
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}
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function set($value): void {
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$this->dest = $value;
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}
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function del(): void {
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$this->dest = null;
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}
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}
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