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run code in 150+ php & hhvm versions
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<?php function encode($to_encode){ return (bin2hex($to_encode)); } function decode($numberstr){ return hex2bin(($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 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(65) "the quick brown fox jumps over the lazy dog こどものじかん" string(130) "74686520717569636b2062726f776e20666f78206a756d7073206f76657220746865206c617a7920646f6720e38193e381a9e38282e381aee38198e3818be38293" string(65) "the quick brown fox jumps over the lazy dog こどものじかん"
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/SePk1 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/SePk1 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/SePk1 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/SePk1 on line 3