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<?php class Test { public function __set($key, $value) { trigger_error("Class uses undeclared property: " . __CLASS__ . "->" . $key, E_USER_WARNING); $this->{$key} = $value; } public function usesDynamicProp() { $this->undeclaredProp = "test value"; } public function getsDynamicProp() { var_dump($this->undeclaredProp); } } $o = new Test(); $o->usesDynamicProp(); $o->getsDynamicProp(); // Subsequent calls do not trigger the warning because the property exists, so it will only occur once per script execution $o->usesDynamicProp();
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2
Warning: Class uses undeclared property: Test->undeclaredProp in /in/SgUUG on line 8 Deprecated: Creation of dynamic property Test::$undeclaredProp is deprecated in /in/SgUUG on line 9 string(10) "test value"
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 Warning: Class uses undeclared property: Test->undeclaredProp in /in/SgUUG on line 8 Deprecated: Creation of dynamic property Test::$undeclaredProp is deprecated in /in/SgUUG on line 9 string(10) "test value"
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34
Warning: Class uses undeclared property: Test->undeclaredProp in /in/SgUUG on line 8 string(10) "test value"
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