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<?php class Foo extends SplFixedArray { public function offsetExists($index) { return parent::offsetExists($index); } } $foo = new SplFixedArray(2); $foo[0] = 'bar1'; $foo[1] = 'bar2'; var_dump($foo[0] ?? null); var_dump($foo[1] ?? null); var_dump($foo[2] ?? null);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Deprecated: Return type of Foo::offsetExists($index) should either be compatible with SplFixedArray::offsetExists($index): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/u6VOI on line 5 string(4) "bar1" string(4) "bar2" NULL
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of Foo::offsetExists($index) should either be compatible with SplFixedArray::offsetExists($index): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/u6VOI on line 5 string(4) "bar1" string(4) "bar2" NULL
Output for 7.3.17 - 7.3.33, 7.4.5 - 7.4.33, 8.0.0 - 8.0.30
string(4) "bar1" string(4) "bar2" NULL
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.16, 7.4.0 - 7.4.4
string(4) "bar1" string(4) "bar2" Fatal error: Uncaught RuntimeException: Index invalid or out of range in /in/u6VOI:17 Stack trace: #0 {main} thrown in /in/u6VOI on line 17
Process exited with code 255.
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