Rule non_printable_character¶
Remove Zero-width space (ZWSP), Non-breaking space (NBSP) and other invisible unicode symbols.
Warning¶
Using this rule is risky¶
Risky when strings contain intended invisible characters.
Configuration¶
use_escape_sequences_in_strings¶
Whether characters should be replaced with escape sequences in strings.
Allowed types: bool
Default value: true
Examples¶
Example #1¶
Default configuration.
--- Original
+++ New
-<?php echo "Hello World !";
+<?php echo "\u{200b}Hello\u{2007}World\u{a0}!";
Example #2¶
With configuration: ['use_escape_sequences_in_strings' => false].
--- Original
+++ New
-<?php echo "Hello World !";
+<?php echo "Hello World !";
Rule sets¶
The rule is part of the following rule sets:
References¶
Fixer class: PhpCsFixer\Fixer\Basic\NonPrintableCharacterFixer
Test class: PhpCsFixer\Tests\Fixer\Basic\NonPrintableCharacterFixerTest
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.