<?php
	$str = pack("H*","F09F8C80F09F8C80F09F97BFF09F97BE");
 
	print($str);
	print("\n");
 
	// preg_match_allの第三引数が省略可能になったのは5.4.0から。
	// このサイトはPHP 5.2.11だから無理。
	// http://p...content-available-to-author-only...p.net/manual/en/function.preg-match-all.php
 
 
	// http://w...content-available-to-author-only...p.net/manual/en/reference.pcre.pattern.modifiers.php
	// u (PCRE8)
	// This modifier turns on additional functionality of PCRE 
	// that is incompatible with Perl.
	// Pattern strings are treated as UTF-8.
	// This modifier is available from PHP 4.1.0 or greater on Unix
	// and from PHP 4.2.3 on win32. 
	// UTF-8 validity of the pattern is checked since PHP 4.3.5.
 
 
	$x = null;
	print(preg_match_all("/[\\x{1F300}-\\x{1f5ff}]/u",$str,$x));
?>

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