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iluuu1994iluuu1994
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Implement nullsafe ?-> operator
1 parent 08858e7 commit 942da68

30 files changed

+1361
-523
lines changed

‎Zend/tests/nullsafe_method_call/001.phpt

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--TEST--
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Test basic nullsafe method calls
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--FILE--
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<?php
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class Foo {
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function null() {
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var_dump('Foo::null()');
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return null;
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}
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function self() {
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var_dump('Foo::self()');
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return $this;
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}
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}
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var_dump(null?->bar());
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var_dump(null?->bar(var_dump('Not executed')));
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var_dump(null?->bar()->baz());
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var_dump(null?->bar()->baz(var_dump('Not executed')));
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var_dump(null?->bar()->baz);
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var_dump(null?->bar()::$baz);
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var_dump(null?->bar()::baz());
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$foo = new Foo();
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var_dump($foo->null()?->bar());
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var_dump($foo->null()?->bar(var_dump('Not executed')));
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var_dump($foo->null()?->bar()->baz());
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var_dump($foo->null()?->bar()->baz(var_dump('Not executed')));
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var_dump($foo->null()?->bar()->baz);
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var_dump($foo->null()?->bar()::$baz);
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var_dump($foo->null()?->bar()::baz());
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$foo = new Foo();
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var_dump($foo?->self()->null()?->bar());
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var_dump($foo?->self()->null()?->bar(var_dump('Not executed')));
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var_dump($foo?->self()->null()?->bar()->baz());
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var_dump($foo?->self()->null()?->bar()->baz(var_dump('Not executed')));
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var_dump($foo?->self()->null()?->bar()->baz);
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var_dump($foo?->self()->null()?->bar()::$baz);
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var_dump($foo?->self()->null()?->bar()::baz());
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var_dump($foo->self(null?->bar())->null());
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try {
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var_dump($foo?->self()[null?->bar()]);
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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--EXPECT--
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NULL
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NULL
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NULL
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NULL
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NULL
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NULL
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(11) "Foo::null()"
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NULL
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string(11) "Foo::self()"
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string(38) "Cannot use object of type Foo as array"

‎Zend/tests/nullsafe_method_call/002.phpt

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--TEST--
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Test nullsafe strict type check
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--FILE--
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<?php
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try {
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false?->bar();
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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try {
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[]?->bar();
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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try {
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(0)?->bar();
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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try {
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(0.0)?->bar();
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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try {
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''?->bar();
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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--EXPECT--
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string(39) "Call to a member function bar() on bool"
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string(40) "Call to a member function bar() on array"
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string(38) "Call to a member function bar() on int"
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string(40) "Call to a member function bar() on float"
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string(41) "Call to a member function bar() on string"

‎Zend/tests/nullsafe_method_call/003.phpt

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--TEST--
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Test basic nullsafe property fetching
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--FILE--
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<?php
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class Foo {
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public $bar = 'bar';
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}
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$null = null;
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$foo = new Foo();
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var_dump(null?->foo);
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var_dump((new Foo)?->bar);
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var_dump((new Foo)?->baz);
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var_dump("{$null?->foo}");
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var_dump("{$foo?->bar}");
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var_dump("{$foo?->baz}");
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--EXPECTF--
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NULL
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string(3) "bar"
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Warning: Undefined property: Foo::$baz in %s003.php on line 12
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NULL
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string(0) ""
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string(3) "bar"
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Warning: Undefined property: Foo::$baz in %s003.php on line 15
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string(0) ""

‎Zend/tests/nullsafe_method_call/004.phpt

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--TEST--
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Test nullsafe property assignment error
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--FILE--
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<?php
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class Foo {
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public $bar;
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}
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function test(?Foo $foo) {
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var_dump($foo?->bar = 'bar');
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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string(3) "bar"
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string(3) "bar"

‎Zend/tests/nullsafe_method_call/005.phpt

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--TEST--
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Test nullsafe property assignment op error
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--FILE--
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<?php
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class Foo {
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public $bar = 0;
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}
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function test(?Foo $foo) {
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var_dump($foo?->bar = 1);
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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int(1)
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int(1)

‎Zend/tests/nullsafe_method_call/006.phpt

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--TEST--
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Test nullsafe property post increment/decrement error
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--FILE--
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<?php
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class Foo {
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public $bar = 0;
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}
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function test(?Foo $foo) {
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var_dump(++$foo?->bar);
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var_dump($foo?->bar);
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var_dump(--$foo?->bar);
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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NULL
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NULL
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int(1)
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int(1)
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int(0)
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int(0)

‎Zend/tests/nullsafe_method_call/007.phpt

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--TEST--
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Test nullsafe property pre increment/decrement error
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--FILE--
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<?php
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class Foo {
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public $bar = 0;
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}
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function test(?Foo $foo) {
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var_dump($foo?->bar++);
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var_dump($foo?->bar);
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var_dump($foo?->bar--);
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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NULL
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NULL
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int(0)
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int(1)
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int(1)
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int(0)

‎Zend/tests/nullsafe_method_call/008.phpt

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--TEST--
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Test nullsafe property coalesce assignment error
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--SKIPIF--
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<?php if(extension_loaded("Zend OPcache")) die("skip with opcache because SSA incorrectly optimized"); ?>
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--FILE--
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<?php
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class Foo {
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public $bar;
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}
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function test(?Foo $foo) {
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var_dump($foo?->bar ??= 'bar');
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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string(3) "bar"
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string(3) "bar"

‎Zend/tests/nullsafe_method_call/009.phpt

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--TEST--
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Test fetch nullsafe property by ref error
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--FILE--
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<?php
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class Foo {
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public $bar;
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}
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function test(?Foo $foo) {
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var_dump($ref = &$foo?->bar);
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$ref = 'bar';
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var_dump($foo?->bar);
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}
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test(null);
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test(new Foo());
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--EXPECT--
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NULL
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NULL
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NULL
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string(3) "bar"

‎Zend/tests/nullsafe_method_call/010.phpt

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--TEST--
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Test fetch nested nullsafe property by ref error
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--FILE--
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<?php
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class Foo {
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public $bar;
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}
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class Bar {
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public $baz;
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}
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function test(?Foo $foo) {
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var_dump($ref = &$foo?->bar->baz);
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$ref = 'baz';
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var_dump($foo?->bar->baz);
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}
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test(null);
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$foo = new Foo();
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$foo->bar = new Bar();
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test($foo);
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--EXPECT--
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NULL
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NULL
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NULL
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string(3) "baz"

‎Zend/tests/nullsafe_method_call/011.phpt

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--TEST--
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Test isset and empty on nullsafe property
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--FILE--
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<?php
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class Foo {
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public $bar;
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}
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var_dump(isset($foo?->bar));
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var_dump(empty($foo?->bar));
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$foo = null;
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var_dump(isset($foo?->bar));
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var_dump(empty($foo?->bar));
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$foo = new Foo();
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var_dump(isset($foo?->bar));
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var_dump(empty($foo?->bar));
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$foo->bar = 'bar';
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var_dump(isset($foo?->bar));
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var_dump(empty($foo?->bar));
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--EXPECT--
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(true)
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bool(false)

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