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はじめに »
« trait_exists
PHP マニュアル
関数リファレンス
変数・データ型関連
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文字タイプチェック
はじめに
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インストール手順
Ctype 関数
ctype_alnum
— 英数字かどうかを調べる
ctype_alpha
— 英字かどうかを調べる
ctype_cntrl
— 制御文字かどうかを調べる
ctype_digit
— 数字かどうかを調べる
ctype_graph
— 空白以外の印字可能な文字かどうかを調べる
ctype_lower
— 小文字かどうかを調べる
ctype_print
— 印字可能な文字かどうかを調べる
ctype_punct
— 空白、英数字以外の出力可能な文字かどうかを調べる
ctype_space
— 空白文字かどうか調べる
ctype_upper
— 大文字かどうか調べる
ctype_xdigit
— 16 進数を表す文字かどうかを調べる
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