3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tokens = token_get_all('<?php $a = "aaa\r\n\x12";'); foreach ($tokens as $token) { if (is_array($token)) echo (token_name($token[0]) . ': "' . $token[1] . '"'."\n"); else echo ('"' . $token . '"'."\n"); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
T_OPEN_TAG: "<?php " T_VARIABLE: "$a" T_WHITESPACE: " " "=" T_WHITESPACE: " " T_CONSTANT_ENCAPSED_STRING: ""aaa\r\n\x12"" ";"
preferences:
264.23 ms | 406 KiB | 345 Q