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<?php class SomeClass {} $instance = new SomeClass(); $reference = &$instance; echo (($instance === $reference) ? 'TRUE' : 'FALSE') ."\n"; $assigned = $instance; echo (($instance === $assigned) ? 'TRUE' : 'FALSE') ."\n"; $instance = null; echo $instance . "\n"; echo $reference . "\n"; echo $assigned . "\n";
Output for 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
TRUE TRUE Fatal error: Uncaught Error: Object of class SomeClass could not be converted to string in /in/Qo8vB:18 Stack trace: #0 {main} thrown in /in/Qo8vB on line 18
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 TRUE TRUE Fatal error: Uncaught Error: Object of class SomeClass could not be converted to string in /in/Qo8vB:18 Stack trace: #0 {main} thrown in /in/Qo8vB on line 18
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
TRUE TRUE Recoverable fatal error: Object of class SomeClass could not be converted to string in /in/Qo8vB on line 18
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
TRUE TRUE Catchable fatal error: Object of class SomeClass could not be converted to string in /in/Qo8vB on line 18
Process exited with code 255.

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