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oanhnn / test.php
Created November 4, 2014 08:44
test performance of array_diff on PHP
<?php
function my_array_diff($a, $b)
{
$map = $out = array();
foreach ($a as $val)
$map[$val] = 1;
foreach ($b as $val)
if (isset($map[$val]))
$map[$val] = 0;
Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
([一-龯])
Regex for matching Hirgana or Katakana (*)
([ぁ-んァ-ン])
Regex for matching Non-Hirgana or Non-Katakana
([^ぁ-んァ-ン])
Regex for matching Hirgana or Katakana or basic punctuation (、。’)