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ASCII Space vs UTF-8 Thin Space in PHP
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| <?php | |
| /** See it live: https://onlinephp.io/c/551a0 **/ | |
| $helloWorld = [ | |
| 'ascii' => 'Hello, World!', | |
| 'utf-8' => 'Hello, World!', | |
| ]; | |
| $spacePos = strpos($helloWorld['ascii'], ' '); | |
| $outputHex = function (string $string): string { | |
| $hex = bin2hex($string); | |
| $hexParts = str_split($hex, 2); | |
| $hexString = implode(' ', $hexParts); | |
| $tab = strlen($string) < 4 ? "\t\t" : "\t"; | |
| return sprintf("|%s|$tab%s", $string, $hexString); | |
| }; | |
| foreach ($helloWorld as $encoding => $hello) { | |
| echo strtoupper($encoding) . ": \"$hello\"\n"; | |
| $parts = [ | |
| $outputHex(mb_substr($hello, 0, $spacePos)), | |
| $outputHex(mb_substr($hello, $spacePos, 1)), | |
| $outputHex(mb_substr($hello, $spacePos + 1)), | |
| ]; | |
| print_r($parts); | |
| } | |
| /* Output: | |
| ASCII: "Hello, World!" | |
| Array | |
| ( | |
| [0] => |Hello,| 48 65 6c 6c 6f 2c | |
| [1] => | | 20 | |
| [2] => |World!| 57 6f 72 6c 64 21 | |
| ) | |
| UTF-8: "Hello, World!" | |
| Array | |
| ( | |
| [0] => |Hello,| 48 65 6c 6c 6f 2c | |
| [1] => | | e2 80 89 | |
| [2] => |World!| 57 6f 72 6c 64 21 | |
| ) | |
| */ |
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