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【メモ】PHPで複数の複数の文字で文字列を分割する

Last updated at Posted at 2018-02-12
<?php
//3語以上で分割する場合
function ex_explode($word_array, $str) {
    $return = array();

    //文字列を配列に入れる
    $array = array($str);

    //分割文字ごとにforeach
    foreach ($word_array as $value1){

        //文字列の配列を分割
        foreach ($array as $key => $value2) {
            $return = array_merge($return, explode($value1, $value2));

            //配列の最後になったら初期化
            if(count($array) - 1 === $key) {
                $array = $return;
                $return = array();
            }
        }
    }
    return $array;
}

//使う時

$word = 'タグ1,タグ2 タグ3 タグ4、タグ5';

ex_explode([' ',',','、',' ',],$word);

(参考)https://q-az.net/explode-php-extension/

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