3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 0xe4b8ad; echo $bin = pack("a3", "中");//中 echo "十六进制: 0x" . bin2hex($bin) . "\n";//0xe4b8ad $str = '回'; echo $bin = pack("C3", ord($str{0}), ord($str{1}), ord($str{2}));//回 $hex = strtoupper(bin2hex($bin)); echo "UTF-8编码: " . $hex . "\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/r76Vp on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/r76Vp on line 6 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/r76Vp on line 6 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/r76Vp on line 6 14989485中十六进制: 0xe4b8ad 回UTF-8编码: E59B9E
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
14989485中十六进制: 0xe4b8ad 回UTF-8编码: E59B9E
preferences:
165.26 ms | 404 KiB | 328 Q