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run code in 300+ PHP versions simultaneously
<?php class WP_Post { public $filter; public function __get( $property ) { return $this->$property; } } $post = new WP_Post(); $post->filter = 'foo'; var_dump( $post->filter ); unset( $post->filter ); var_dump( $post->filter );
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.4, 8.3.6 - 8.3.14, 8.4.1 - 8.4.2
string(3) "foo" Warning: Undefined property: WP_Post::$filter in /in/66Nvl on line 7 NULL
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 string(3) "foo" Warning: Undefined property: WP_Post::$filter in /in/66Nvl on line 7 NULL
Output for 7.4.0 - 7.4.33
string(3) "foo" Notice: Undefined property: WP_Post::$filter in /in/66Nvl on line 7 NULL
preferences:
108.53 ms | 408 KiB | 5 Q