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run code in 200+ php & hhvm versions
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<?php $str = html_entities("£0.00230"); preg_match("/(\W)(\d+\.\d+)/",$str,$m); print_R($m);
based on pff1B
Output for 7.0.0 - 7.2.11
Fatal error: Uncaught Error: Call to undefined function html_entities() in /in/gvqOh:3 Stack trace: #0 {main} thrown in /in/gvqOh on line 3
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught Error: Call to undefined function html_entities() in /in/gvqOh:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.11.1 - 3.21.3
Fatal error: Uncaught Error: Call to undefined function html_entities() in /in/gvqOh:3 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.3.21 - 5.6.38, hhvm-3.10.1
Fatal error: Call to undefined function html_entities() in /in/gvqOh on line 3
Process exited with code 255.