3v4l.org

run code in 300+ PHP versions simultaneously
<?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 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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.
preferences:
250.74 ms | 401 KiB | 400 Q