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a175aa9dca
The read_dimension() handler in BP_VAR_IS mode will now call offsetExists() before caling offsetGet(). This has always been a problem, however recently the issue has been exacerbated, because the null-coalesce operator ?? makes it visible for non-nested array accesses. Also fixes #69659.
65 lines
1.3 KiB
PHP
65 lines
1.3 KiB
PHP
--TEST--
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Bug #71731: Null coalescing operator and ArrayAccess
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--FILE--
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<?php
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class AA implements ArrayAccess {
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private $data = [];
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public function offsetExists($name) {
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echo "offsetExists($name)\n";
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return array_key_exists($name, $this->data);
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}
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public function &offsetGet($name) {
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echo "offsetGet($name)\n";
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if (!array_key_exists($name, $this->data)) {
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throw new Exception('Unknown offset');
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}
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return $this->data[$name];
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}
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public function offsetSet($name, $value) {
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echo "offsetSet($name)\n";
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$this->data[$name] = $value;
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}
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public function offsetUnset($name) {
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echo "offsetUnset($name)\n";
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unset($this->data[$name]);
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}
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}
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$aa = new AA;
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var_dump(isset($aa[0][1][2]));
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var_dump(isset($aa[0]->foo));
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var_dump($aa[0] ?? 42);
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var_dump($aa[0][1][2] ?? 42);
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$aa[0] = new AA;
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$aa[0][1] = new AA;
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var_dump(isset($aa[0][1][2]));
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var_dump($aa[0][1][2] ?? 42);
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?>
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--EXPECT--
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offsetExists(0)
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bool(false)
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offsetExists(0)
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bool(false)
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offsetExists(0)
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int(42)
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offsetExists(0)
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int(42)
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offsetSet(0)
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offsetGet(0)
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offsetSet(1)
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offsetExists(0)
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offsetGet(0)
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offsetExists(1)
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offsetGet(1)
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offsetExists(2)
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bool(false)
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offsetExists(0)
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offsetGet(0)
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offsetExists(1)
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offsetGet(1)
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offsetExists(2)
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int(42)
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