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Unicode codepoint escape syntax in PHP 7
PHP 7 takes a Unicode codepoint in hexadecimal form as input and produces the outputs in UTF-8 character format within a double-quoted string. It could be any combination of hexadecimal digits, 2, 4, 6, and above. We can write Unicode characters by using a double-quoted or here docstring, without calling a function. Leading zero is optional in any hexadecimal form.
<html> <head> <title>UTF-8 Character </title> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> </head> </html>
Note: We can construct the full Unicode characters using “\u{xxx}” syntax.
Some languages, for example, Hebrew and Arabic are read from right to left instead of left to right. We can reverse the text using the U+202E Unicode character for the right to left override.
Example
<?php
echo "\u{202E} show reversed text";
echo "\u{202D}";
?>Output
It will show the text in reverse form like
txet desrever wohs
Example: Unicode codepoint escape syntax
<html>
<head>
<title>“Tutorialpoint : Unicode codepoint escape syntax:”;</title>
</head>
<body>
<?php
echo "\u{aaa}";
echo "\u{0000aaa}";
echo "\u{9999}";
?>
</body>
</html>Output
The output for the above program will be
પપ香
Character escaping is now much easier in PHP 7 than before. Including the Unicode within a string without any difficulty.
Example
<?php echo 'You owe me £500.'; ?>
Output
You owe me £500.
In the above example, Standard A to Z and 0 to 9 characters are used. It also holds a special character the Pound symbol (£). In the old version of PHP, it was necessary to escape these types of characters, or else, it would produce its character code 163 within the string. So, the output could look like 163300 or something to that effect.In the older versions of PHP, the Pound symbol had to escape, otherwise, there would have been an issue.
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