oanhnn

<?php

/**
 * Dates in the m/d/y or d-m-y formats are disambiguated by looking at the separator between the various components: 
 * if the separator is a slash (/), then the American m/d/y is assumed; 
 * whereas if the separator is a dash (-) or a dot (.), then the European d-m-y format is assumed.
 */

strtotime('12/25/2014');
strtotime('25-12-2014');

oanhnn

<?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;

oanhnn

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 (、。’)