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    Php/docs/book.ctype

    • « classkit_method_rename
    • Introduction »


    • PHP Manual
    • Variable and Type Related Extensions
    • Character type checking


    • Introduction
    • Installing/Configuring
      • Requirements
      • Installation
      • Runtime Configuration
      • Resource Types
    • Predefined Constants
    • Ctype Functions
      • ctype_alnum — Check for alphanumeric character(s)
      • ctype_alpha — Check for alphabetic character(s)
      • ctype_cntrl — Check for control character(s)
      • ctype_digit — Check for numeric character(s)
      • ctype_graph — Check for any printable character(s) except space
      • ctype_lower — Check for lowercase character(s)
      • ctype_print — Check for printable character(s)
      • ctype_punct — Check for any printable character which is not whitespace or an alphanumeric character
      • ctype_space — Check for whitespace character(s)
      • ctype_upper — Check for uppercase character(s)
      • ctype_xdigit — Check for character(s) representing a hexadecimal digit


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