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<?php class Foo { public $bar = ""; } $fooArr = [new Foo()]; function modifiesLocallyClonedFoo($fooArr) { $fooArr[0] = clone $fooArr[0]; $fooArr[0]->bar = "bar"; } modifiesLocallyClonedFoo($fooArr); var_dump($fooArr[0]); // Creating a reference to an array item changes the way the array behaves?!?!?!? $bar = &$fooArr[0]; modifiesLocallyClonedFoo($fooArr); var_dump($fooArr[0]);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
object(Foo)#1 (1) { ["bar"]=> string(0) "" } object(Foo)#2 (1) { ["bar"]=> string(3) "bar" }
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 8.3.5
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 object(Foo)#1 (1) { ["bar"]=> string(0) "" } object(Foo)#2 (1) { ["bar"]=> string(3) "bar" }

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