IntlChar::isJavaSpaceChar() function in PHP

The IntlChar::isJavaSpaceChar() function is used to check whether the entered value is a space character or not according to Java conventions.

Syntax

IntlChar::isJavaSpaceChar(mixed $codepoint)

Parameters

• codepoint − A character value encoded as a UTF-8 string or an integer representing a Unicode codepoint.

Return Value

The IntlChar::isJavaSpaceChar() function returns TRUE if the value is a space character according to Java conventions, FALSE otherwise. Returns NULL on failure.

Example

The following example demonstrates different space characters and non-space characters ?

<?php
    var_dump(IntlChar::isJavaSpaceChar(""));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar("!"));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar(" "));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar("K"));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar("Kite!"));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar("\t"));
    echo "<br>";
    var_dump(IntlChar::isJavaSpaceChar("<br>"));
?>

NULL
bool(false)
bool(true)
bool(false)
NULL
bool(true)
bool(true)

Key Points

• Returns NULL for empty strings or multi-character strings
• Identifies space characters including regular space, tab (\t), and newline (
  )
• Compatible with Java's Character.isSpaceChar() method
• Part of PHP's Internationalization (Intl) extension

Conclusion

The IntlChar::isJavaSpaceChar() function provides Java-compatible space character detection in PHP. It's useful for text processing applications that need to maintain compatibility with Java's whitespace handling conventions.