PHP - Manual手册 - 函数参考 - Tokenizer Functions解析器代号函数

范例

<?php

/*

*T_ML_COMMENTdoesnotexistinPHP5.

*Thefollowingthreelinesdefineitinorderto

*preservebackwardscompatibility.

*

*ThenexttwolinesdefinethePHP5onlyT_DOC_COMMENT,

*whichwewillmaskasT_ML_COMMENTforPHP4.

*/

if(!defined('T_ML_COMMENT')){

define('T_ML_COMMENT',T_COMMENT);

}else{

define('T_DOC_COMMENT',T_ML_COMMENT);

}

$source=file_get_contents('example.php');

$tokens=token_get_all($source);

foreach($tokensas$token){

if(is_string($token)){

//simple1-charactertoken

echo$token;

}else{

//tokenarray

list($id,$text)=$token;

switch($id){

caseT_COMMENT:

caseT_ML_COMMENT://we'vedefinedthis

caseT_DOC_COMMENT://andthis

//noactiononcomments

break;

default:

//anythingelse->output"asis"

echo$text;

break;

}

}

}

?>

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