(PHP 8)
PhpToken::getTokenName — Returns the name of the token.
此函数没有参数。
An ASCII character for single-char tokens,
or one of T_* constant names for known tokens (see 解析器记号（token）列表),
or null for unknown tokens.
示例 #1 PhpToken::getTokenName() example
<?php
// known token
$token = new PhpToken(T_ECHO, 'echo');
var_dump($token->getTokenName()); // -> string(6) "T_ECHO"
// single-char token
$token = new PhpToken(ord(';'), ';');
var_dump($token->getTokenName()); // -> string(1) ";"
// unknown token
$token = new PhpToken(10000 , "\0");
var_dump($token->getTokenName()); // -> NULL