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<?php function forget(&$array, $keys) { $original =& $array; foreach ((array) $keys as $key) { $parts = explode('.', $key); while (count($parts) > 1) { $part = array_shift($parts); if (isset($array[$part]) && is_array($array[$part])) { $array =& $array[$part]; } } unset($array[array_shift($parts)]); // clean up after each pass $array =& $original; } } print_r(forget(['a' => 0, 'b' => 'd']), ['b']);
Output for 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: forget(): Argument #1 ($array) could not be passed by reference in /in/CL0Kq:29 Stack trace: #0 {main} thrown in /in/CL0Kq on line 29
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 Fatal error: Uncaught Error: forget(): Argument #1 ($array) could not be passed by reference in /in/CL0Kq:29 Stack trace: #0 {main} thrown in /in/CL0Kq on line 29
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: forget(): Argument #1 ($array) cannot be passed by reference in /in/CL0Kq:29 Stack trace: #0 {main} thrown in /in/CL0Kq on line 29
Process exited with code 255.
Output for 5.4.0 - 5.4.39
Fatal error: Only variables can be passed by reference in /in/CL0Kq on line 29
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/CL0Kq on line 29
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/CL0Kq on line 29
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/CL0Kq on line 29
Process exited with code 255.
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