Online PHP editor | output for 9rs88

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6: Warning: Undefined variable $domain in /in/9rs88 on line 14 Warning: Undefined variable $domain in /in/9rs88 on line 14 [{"url":null,"name":"Google"},{"url":null,"name":"Bing"}]
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33: Notice: Undefined variable: domain in /in/9rs88 on line 14 Notice: Undefined variable: domain in /in/9rs88 on line 14 [{"url":null,"name":"Google"},{"url":null,"name":"Bing"}]
Output for 7.4.26: [{"url":null,"name":"Google"},{"url":null,"name":"Bing"}]
Output for 7.3.0 - 7.3.33: Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/9rs88 on line 14
Process exited with code 255.
Output for 7.2.0 - 7.2.34: Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/9rs88 on line 14
Process exited with code 255.