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マルチバイト文字がそのままのjson_encode

Posted at 2012-04-26

print json_jap(array("jap"=>"あいうえお","intType"=>1234567890,"strInt"=>"1234567890"));
{"jap":"あいうえお","intType":1234567890,"strInt":"1234567890"}

json_jap.php

<?php
function json_jap($obj){
    $str=json_encode($obj);
    $str=preg_replace_callback('{\\\\u([0-9a-f]{4})}',function($m){return mb_convert_encoding(hex2bin($m[1]),'UTF-8','UTF-16');},$str);
    $str=str_replace(['\/','&gt;','&lt;','&apos;','&amp;'],['/','>','<','\'','&'],$str);
    return $str;
}
?>

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