3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( bin2hex( html_entity_decode( htmlspecialchars( "\xc0\x80", ENT_NOQUOTES, 'UTF-8' ) ) ) ); var_dump( bin2hex( html_entity_decode( htmlspecialchars( "\xc2", ENT_NOQUOTES, 'UTF-8' ) ) ) ); var_dump( bin2hex( html_entity_decode( htmlspecialchars( "\xe0\x80\x80", ENT_NOQUOTES, 'UTF-8' ) ) ) ); var_dump( bin2hex( html_entity_decode( htmlspecialchars( "\xf4\x90\x80\x80", ENT_NOQUOTES, 'UTF-8' ) ) ) );
Output for 5.3.4 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(0) "" string(0) "" string(0) "" string(0) ""
Output for 5.2.12 - 5.2.17, 5.3.2 - 5.3.3
string(0) "" string(0) "" string(0) "" string(8) "f4908080"
Output for 5.2.5 - 5.2.11, 5.3.0 - 5.3.1
string(4) "c080" string(0) "" string(6) "e08080" string(8) "f4908080"
Output for 4.3.2 - 5.2.4
string(4) "c080" string(4) "c200" string(6) "e08080" string(8) "f4908080"
Output for 4.3.0 - 4.3.1

Process exited with code 139.