GoLang IntlChar::isJavaIDStart

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PHP IntlChar::isJavaIDStart

PHP original manual for IntlChar::isJavaIDStart [ show | php.net ]

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

codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

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