IntlChar::isJavaIDStart
IntlChar::isJavaIDStart
(PHP 7)
IntlChar::isJavaIDStart — Check if code point is permissible as the first character in a Java identifier
Description
public static bool IntlChar::isJavaIDStart ( mixed $codepoint )
Determines if the specified character is permissible as the start of a Java identifier.
In addition to IntlChar::isIDStart(), TRUE
for characters with general categories "Sc" (currency symbols) and "Pc" (connecting punctuation).
Parameters
Return Values
Returns TRUE
if codepoint
may start a Java identifier, FALSE
if not.
Examples
Example #1 Testing different code points
<?php var_dump(IntlChar::isJavaIDStart("A")); var_dump(IntlChar::isJavaIDStart("$")); var_dump(IntlChar::isJavaIDStart("\n")); var_dump(IntlChar::isJavaIDStart("\u{2603}")); ?>
The above example will output:
bool(true) bool(true) bool(false) bool(false)
See Also
- IntlChar::isIDStart() - Check if code point is permissible as the first character in an identifier
- IntlChar::isJavaIDPart() - Check if code point is permissible in a Java identifier
- IntlChar::isalpha() - Check if code point is a letter character
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https://secure.php.net/manual/en/intlchar.isjavaidstart.php