function verify_image($file) {
	$txt = file_get_contents($file);
	$image_safe = true;
	if (preg_match('#<?php#i', $txt)) { $image_safe = false; } //edit
	elseif (preg_match('#&(quot|lt|gt|nbsp|<?php);#i', $txt)) { $image_safe = false; }
	elseif (preg_match("#&\#x([0-9a-f]+);#i", $txt)) { $image_safe = false; }
	elseif (preg_match('#&\#([0-9]+);#i', $txt)) { $image_safe = false; }
	elseif (preg_match("#([a-z]*)=([\`\'\"]*)script:#iU", $txt)) { $image_safe = false; }
	elseif (preg_match("#([a-z]*)=([\`\'\"]*)javascript:#iU", $txt)) { $image_safe = false; }
	elseif (preg_match("#([a-z]*)=([\'\"]*)vbscript:#iU", $txt)) { $image_safe = false; }
	elseif (preg_match("#(<[^>]+)style=([\`\'\"]*).*expression\([^>]*>#iU", $txt)) { $image_safe = false; }
	elseif (preg_match("#(<[^>]+)style=([\`\'\"]*).*behaviour\([^>]*>#iU", $txt)) { $image_safe = false; }
	elseif (preg_match("#</*(applet|link|style|script|iframe|frame|frameset)[^>]*>#i", $txt)) { $image_safe = false; }
	return $image_safe;
}
Добавлено за 0.068 секунд, используя GeSHi 1.0.8.10