3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fixed = SplFixedArray::fromArray(range(1, 3)); $fixed->undefined = 'undefined'; $serialized = serialize($fixed); $unserialized = unserialize($serialized); var_dump($unserialized); var_export($unserialized); echo "\n"; // for comparison var_dump($fixed); var_export($fixed); echo "\n";
Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Deprecated: Creation of dynamic property SplFixedArray::$undefined is deprecated in /in/IMnI5 on line 4 Deprecated: Creation of dynamic property SplFixedArray::$undefined is deprecated in /in/IMnI5 on line 7 object(SplFixedArray)#2 (4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) ["undefined"]=> string(9) "undefined" } \SplFixedArray::__set_state(array( 0 => 1, 1 => 2, 2 => 3, 'undefined' => 'undefined', )) object(SplFixedArray)#1 (4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) ["undefined"]=> string(9) "undefined" } \SplFixedArray::__set_state(array( 0 => 1, 1 => 2, 2 => 3, 'undefined' => 'undefined', ))
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 8.2.0 - 8.2.29
Deprecated: Creation of dynamic property SplFixedArray::$undefined is deprecated in /in/IMnI5 on line 4 Deprecated: Creation of dynamic property SplFixedArray::$undefined is deprecated in /in/IMnI5 on line 7 object(SplFixedArray)#2 (4) { ["undefined"]=> string(9) "undefined" [0]=> int(1) [1]=> int(2) [2]=> int(3) } \SplFixedArray::__set_state(array( 'undefined' => 'undefined', 0 => 1, 1 => 2, 2 => 3, )) object(SplFixedArray)#1 (4) { ["undefined"]=> string(9) "undefined" [0]=> int(1) [1]=> int(2) [2]=> int(3) } \SplFixedArray::__set_state(array( 'undefined' => 'undefined', 0 => 1, 1 => 2, 2 => 3, ))
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
object(SplFixedArray)#2 (4) { [0]=> string(9) "undefined" [1]=> int(1) [2]=> int(2) [3]=> int(3) } SplFixedArray::__set_state(array( 0 => 'undefined', 1 => 1, 2 => 2, 3 => 3, )) object(SplFixedArray)#1 (4) { ["undefined"]=> string(9) "undefined" [0]=> int(1) [1]=> int(2) [2]=> int(3) } SplFixedArray::__set_state(array( 'undefined' => 'undefined', 0 => 1, 1 => 2, 2 => 3, ))
preferences:
170.33 ms | 413 KiB | 5 Q