пСЙНБНДЯРБН ОН PHP
Пред.След.

CXI. Tokenizer Functions

бБЕДЕМХЕ

The tokenizer functions provide an interface to the PHP tokenizer embedded in the Zend Engine. Using these functions you may write your own PHP source analyzing or modification tools without having to deal with the language specification at the lexical level.

See also the appendix about tokens.

рПЕАНБЮМХЪ

щРХ ТСМЙЖХХ БЯЕЦДЮ ДНЯРСОМШ.

сЯРЮМНБЙЮ

Beginning with PHP 4.3.0 these functions are enabled by default. For older versions you have to configure and compile PHP with --enable-tokenizer. You can disable tokenizer support with --disable-tokenizer.

бЕПЯХЪ PHP ДКЪ Windows ХЛЕЕР БЯРПНЕММСЧ ОНДДЕПФЙС ДЮММНЦН ПЮЯЬХПЕМХЪ. щРН НГМЮВЮЕР, ВРН ДКЪ ХЯОНКЭГНБЮМХЪ ДЮММШУ ТСМЙЖХИ МЕ РПЕАСЕРЯЪ ГЮЦПСГЙЮ МХЙЮЙХУ ДНОНКМХРЕКЭМШУ ПЮЯЬХПЕМХИ.

Замечание: Builtin support for tokenizer is available with PHP 4.3.0.

оПЕДНОПЕДЕКЕММШЕ ЙНМЯРЮМРШ

оЕПЕВХЯКЕММШЕ МХФЕ ЙНМЯРЮМРШ НОПЕДЕКЕМШ ДЮММШЛ ПЮЯЬХПЕМХЕЛ Х ЛНЦСР АШРЭ ДНЯРСОМШ РНКЭЙН Б РНЛ ЯКСВЮЕ, ЕЯКХ PHP АШК ЯНАПЮМ Я ОНДДЕПФЙНИ ЩРНЦН ПЮЯЬХПЕМХЪ ХКХ ФЕ Б РНЛ ЯКСВЮЕ, ЕЯКХ ДЮММНЕ ПЮЯЬХПЕМХЕ ОНДЦПСФЮЕРЯЪ БН БПЕЛЪ БШОНКМЕМХЪ.

T_INCLUDE (integer)

T_INCLUDE_ONCE (integer)

T_EVAL (integer)

T_REQUIRE (integer)

T_REQUIRE_ONCE (integer)

T_LOGICAL_OR (integer)

T_LOGICAL_XOR (integer)

T_LOGICAL_AND (integer)

T_PRINT (integer)

T_PLUS_EQUAL (integer)

T_MINUS_EQUAL (integer)

T_MUL_EQUAL (integer)

T_DIV_EQUAL (integer)

T_CONCAT_EQUAL (integer)

T_MOD_EQUAL (integer)

T_AND_EQUAL (integer)

T_OR_EQUAL (integer)

T_XOR_EQUAL (integer)

T_SL_EQUAL (integer)

T_SR_EQUAL (integer)

T_BOOLEAN_OR (integer)

T_BOOLEAN_AND (integer)

T_IS_EQUAL (integer)

T_IS_NOT_EQUAL (integer)

T_IS_IDENTICAL (integer)

T_IS_NOT_IDENTICAL (integer)

T_IS_SMALLER_OR_EQUAL (integer)

T_IS_GREATER_OR_EQUAL (integer)

T_SL (integer)

T_SR (integer)

T_INC (integer)

T_DEC (integer)

T_INT_CAST (integer)

T_DOUBLE_CAST (integer)

T_STRING_CAST (integer)

T_ARRAY_CAST (integer)

T_OBJECT_CAST (integer)

T_BOOL_CAST (integer)

T_UNSET_CAST (integer)

T_NEW (integer)

T_EXIT (integer)

T_IF (integer)

T_ELSEIF (integer)

T_ELSE (integer)

T_ENDIF (integer)

T_LNUMBER (integer)

T_DNUMBER (integer)

T_STRING (integer)

T_STRING_VARNAME (integer)

T_VARIABLE (integer)

T_NUM_STRING (integer)

T_INLINE_HTML (integer)

T_CHARACTER (integer)

T_BAD_CHARACTER (integer)

T_ENCAPSED_AND_WHITESPACE (integer)

T_CONSTANT_ENCAPSED_STRING (integer)

T_ECHO (integer)

T_DO (integer)

T_WHILE (integer)

T_ENDWHILE (integer)

T_FOR (integer)

T_ENDFOR (integer)

T_FOREACH (integer)

T_ENDFOREACH (integer)

T_DECLARE (integer)

T_ENDDECLARE (integer)

T_AS (integer)

T_SWITCH (integer)

T_ENDSWITCH (integer)

T_CASE (integer)

T_DEFAULT (integer)

T_BREAK (integer)

T_CONTINUE (integer)

T_OLD_FUNCTION (integer)

T_FUNCTION (integer)

T_CONST (integer)

T_RETURN (integer)

T_USE (integer)

T_GLOBAL (integer)

T_STATIC (integer)

T_VAR (integer)

T_UNSET (integer)

T_ISSET (integer)

T_EMPTY (integer)

T_CLASS (integer)

T_EXTENDS (integer)

T_OBJECT_OPERATOR (integer)

T_DOUBLE_ARROW (integer)

T_LIST (integer)

T_ARRAY (integer)

T_LINE (integer)

T_FILE (integer)

T_COMMENT (integer)

T_ML_COMMENT (integer)

Замечание: T_ML_COMMENT is not defined in PHP 5. All comments in PHP 5 are of token T_COMMENT.

T_DOC_COMMENT (integer)

Замечание: T_DOC_COMMENT was introduced in PHP 5.

T_OPEN_TAG (integer)

T_OPEN_TAG_WITH_ECHO (integer)

T_CLOSE_TAG (integer)

T_WHITESPACE (integer)

T_START_HEREDOC (integer)

T_END_HEREDOC (integer)

T_DOLLAR_OPEN_CURLY_BRACES (integer)

T_CURLY_OPEN (integer)

T_PAAMAYIM_NEKUDOTAYIM (integer)

T_DOUBLE_COLON (integer)

оПХЛЕПШ

Here is a simple example PHP scripts using the tokenizer that will read in a PHP file, strip all comments from the source and print the pure code only.

Пример 1. Strip comments with the tokenizer

<?php
  $source = file_get_contents("somefile.php");
  $tokens = token_get_all($source);
  /* T_ML_COMMENT does not exist in PHP 5.
   * The following three lines define it in order to
   * preserve backwards compatibility.
   *
   * The next two lines define the PHP 5-only T_DOC_COMMENT,
   * which we will mask as T_ML_COMMENT for PHP 4.
   */
  if (!defined('T_ML_COMMENT')) {
    define('T_ML_COMMENT', T_COMMENT);
  } else {
    define('T_DOC_COMMENT', T_ML_COMMENT);
  }
  foreach ($tokens as $token) {
    if (is_string($token)) {
      // simple 1-character token
      echo $token;
    } else {
      // token array
      list($id, $text) = $token;
      switch ($id) {
        case T_COMMENT:
        case T_ML_COMMENT: // we've defined this
        case T_DOC_COMMENT: // and this
          // no action on comments
          break;
        default:
          // anything else -> output "as is"
          echo $text;
          break;
      }
    }
  }
?>
Содержание
token_get_all -- Split given source into PHP tokens
token_name -- Get the symbolic name of a given PHP token
Пред.НачалоСлед.
tidy_warning_countУровень вышеtoken_get_all

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