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IntlChar::isJavaIDStart
(PHP 7)
IntlChar::isJavaIDStart — Check if code point is permissible as the first character in a Java identifier
Description
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
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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Steph