3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\nReproduction\n"; class Legacy {} $a = new Legacy; $a->foo = 'bar'; echo "\nTest with Attribute\n"; #[\AllowDynamicProperties] class TestWithAttribute {} class TestChildOne extends TestWithAttribute {} $testWithAttribute = new TestWithAttribute(); $testWithAttribute->foo = 'bar'; echo "\nTest with Attribute (child class)\n"; $testChildOne = new TestChildOne(); $testChildOne->foo = 'bar'; echo "\nTest extending stdClass\n"; class TestWithStdClass extends stdClass {} class TestChildTwo extends TestWithStdClass {} $testWithAttribute = new TestWithStdClass(); $testWithAttribute->foo = 'bar'; echo "\nTest extending stdClass (child class)\n"; $testChildOne = new TestChildTwo(); $testChildOne->foo = 'bar';
Output for 8.2.10 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Reproduction Deprecated: Creation of dynamic property Legacy::$foo is deprecated in /in/fp9h8 on line 8 Test with Attribute Test with Attribute (child class) Test extending stdClass Test extending stdClass (child class)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.1.23 - 8.1.33
Reproduction Test with Attribute Test with Attribute (child class) Test extending stdClass Test extending stdClass (child class)

preferences:
103.85 ms | 409 KiB | 5 Q