mirror of
https://github.com/php/php-langspec.git
synced 2026-04-24 06:58:02 +02:00
Tyson Andre
120 lines
2.8 KiB
PHP
120 lines
2.8 KiB
PHP
--TEST--
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PHP Spec test generated from ./classes/overloading_play.php
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--FILE--
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<?php
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error_reporting(-1);
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class PropertyTest
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{
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/** Location for overloaded data. */
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private $data = array();
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/** Overloading not used on declared properties. */
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public $declared = 1;
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/** Overloading only used on this when accessed outside the class. */
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private $hidden = 2;
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public function __set($name, $value)
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{
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echo "Setting '$name' to '$value'\n";
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$this->data[$name] = $value;
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}
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public function __get($name)
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{
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echo "Getting '$name'\n";
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if (array_key_exists($name, $this->data)) {
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return $this->data[$name];
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}
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$trace = debug_backtrace();
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trigger_error(
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'Undefined property via __get(): ' . $name .
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' in ' . $trace[0]['file'] .
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' on line ' . $trace[0]['line'],
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E_USER_NOTICE);
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return null;
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}
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/** As of PHP 5.1.0 */
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public function __isset($name)
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{
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echo "Is '$name' set?\n";
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return isset($this->data[$name]);
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}
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/** As of PHP 5.1.0 */
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public function __unset($name)
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{
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echo "Unsetting '$name'\n";
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unset($this->data[$name]);
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}
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/** Not a magic method, just here for example. */
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public function getHidden()
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{
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return $this->hidden;
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}
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}
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$obj = new PropertyTest;
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echo "----------------------\n";
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$v = $obj->declared; // get visible property
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echo "declared: $v\n";
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$obj->declared = 987; // set visible property
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$v = $obj->declared; // get visible property
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echo "declared: $v\n";
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echo "----------------------\n";
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$v = $obj->hidden; // try to get invisible property; can't
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// Runtime sees that hidden exists, but is invisible,
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// so calls __get to search for dynamic property, which fails.
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var_dump($v);
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echo "----------------------\n";
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var_dump(isset($obj->hidden)); // test if hidden exists and is accessible, or is dynamic
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echo "----------------------\n";
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$obj->hidden = "Hello"; // set dynamic invisible property
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$v = $obj->hidden; // get dynamic invisible property
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echo "hidden: $v\n";
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echo "----------------------\n";
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var_dump(isset($obj->hidden)); // test if hidden exists and is accessible, or is dynamic
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echo "----------------------\n";
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unset($obj->hidden);
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var_dump(isset($obj->hidden));
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--EXPECTF--
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----------------------
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declared: 1
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declared: 987
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----------------------
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Getting 'hidden'
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Notice: Undefined property via __get(): hidden in %s/classes/overloading_play.php on line 71 in %s/classes/overloading_play.php on line 34
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NULL
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----------------------
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Is 'hidden' set?
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bool(false)
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----------------------
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Setting 'hidden' to 'Hello'
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Getting 'hidden'
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hidden: Hello
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----------------------
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Is 'hidden' set?
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bool(true)
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----------------------
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Unsetting 'hidden'
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Is 'hidden' set?
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bool(false)
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