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run code in 150+ php & hhvm versions
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<?php $query_params = http_build_query(array()); var_dump($query_params); var_dump(http_build_url('http://xxxx.com', array('query' => $query_params)));
based on AoP6g
Output for 7.0.0 - 7.1.0
string(0) "" Fatal error: Uncaught Error: Call to undefined function http_build_url() in /in/uZIER:11 Stack trace: #0 {main} thrown in /in/uZIER on line 11
Process exited with code 255.
Output for 5.2.1 - 5.6.28
string(0) "" Fatal error: Call to undefined function http_build_url() in /in/uZIER on line 11
Process exited with code 255.
Output for 5.0.0 - 5.2.0
NULL Fatal error: Call to undefined function http_build_url() in /in/uZIER on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: http_build_query() in /in/uZIER on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: http_build_query() in /in/uZIER on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: http_build_query() in /in/uZIER on line 5