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 | count_chars文字列で使用されている文字に関する情報を返す 説明
   arraystring count_chars(string  $string, int$mode= 0)
    パラメータ
 
 戻り値
    
 変更履歴
 例
 例1 count_chars の例 上の例の出力は以下となります。 There were 4 instance(s) of " " in the string. There were 1 instance(s) of "." in the string. There were 1 instance(s) of "F" in the string. There were 2 instance(s) of "T" in the string. There were 1 instance(s) of "a" in the string. There were 1 instance(s) of "d" in the string. There were 1 instance(s) of "e" in the string. There were 2 instance(s) of "n" in the string. There were 2 instance(s) of "o" in the string. There were 1 instance(s) of "s" in the string. There were 1 instance(s) of "w" in the string. 参考
 
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