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run code in 150+ php & hhvm versions
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<?php function encode($to_encode){ return hexdec(bin2hex($to_encode)); } function decode($numberstr){ return hex2bin(dechex($numberstr)); } $str="the quick brown fox jumps over the lazy dog こどものじかん"; var_dump($str,encode($str),decode(encode($str)));
Output for 5.4.4 - 7.1.0
Warning: hex2bin(): Hexadecimal input string must have an even length in /in/nl8hA on line 3 string(65) "the quick brown fox jumps over the lazy dog こどものじかん" float(1.5607733310506E+156) bool(false)
Output for 5.4.0 - 5.4.3
string(65) "the quick brown fox jumps over the lazy dog こどものじかん" float(1.5607733310506E+156) string(0) ""
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/nl8hA on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hex2bin() in /in/nl8hA on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hex2bin() in /in/nl8hA on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hex2bin() in /in/nl8hA on line 3