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run code in 150+ php & hhvm versions
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<?php $settings['timestamp'] = time(); $urlSafeParams = http_build_query($settings); print $urlSafeParams;
based on 9KFX2
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
timestamp=1407337970
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: http_build_query() in /in/XGllW 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/XGllW 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/XGllW on line 5