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<?php class B { } class A { public function M() { echo("this=" . get_class($this) . "\n"); $x = "this"; $$x = new B(); echo("this=" . get_class($this) . "\n"); } } $a = new A(); $a->M(); echo get_class($a);
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
this=A Fatal error: Uncaught Error: Cannot re-assign $this in /in/MeVBD:12 Stack trace: #0 /in/MeVBD(19): A->M() #1 {main} thrown in /in/MeVBD on line 12
Process exited with code 255.
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 this=A Fatal error: Uncaught Error: Cannot re-assign $this in /in/MeVBD:12 Stack trace: #0 /in/MeVBD(19): A->M() #1 {main} thrown in /in/MeVBD on line 12
Process exited with code 255.
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
this=A this=B A

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