public function AbstractLexer::peek in Plug 7

Moves the lookahead token forward.

Return value

array|null The next token or NULL if there are no more tokens ahead.

1 call to AbstractLexer::peek()

AbstractLexer::glimpse in lib/doctrine/lexer/lib/Doctrine/Common/Lexer/AbstractLexer.php

Peeks at the next token, returns it and immediately resets the peek.

File

lib/doctrine/lexer/lib/Doctrine/Common/Lexer/AbstractLexer.php, line 217

Class

AbstractLexer

Base class for writing simple lexers, i.e. for creating small DSLs.

Namespace

Doctrine\Common\Lexer

Code

public function peek() {
  if (isset($this->tokens[$this->position + $this->peek])) {
    return $this->tokens[$this->position + $this->peek++];
  }
  else {
    return null;
  }
}