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The entity produces a non-breaking space, which is used when you don't want an automatic line break at that position. The regular space has the character code 32, while the non-breaking space has the character code 160.
  is a character entity that denotes a non-breaking or fixed space. It`s used to create a space that will not break into a new line by word wrap. Provide space the same as a regular space. Correct syntax : (must add a semi-colon at the end) is a character entity for a non-breaking space.
41. (it should have a semi-colon on the end) is an entity for a non-breaking space. Use it between two words that should not have a line break inserted between them by word wrapping. There is a good explanation about when this is appropriate grammar on the English StackExchange. It is sometimes abused to create horizontal space between ...
11. is an alias for   or &xa0;. This character is defined as "non-breaking space" in the HTML standard. So someone said "browser must treat this is a space but not break a line" in a standard and all people who created Web browsers adhered to this standard. If your editor supports it, you can also type this character.
It depends on which character set you want to use. There's no tab entity defined in ISO-8859-1 HTML - but there are a couple of whitespace characters other than such as  ,  ,and  . In ASCII, 	 is a tab. Here is a complete listing of HTML entities and a useful discussion of whitespace on Wikipedia.
Firefox renders all of the above spaces as the same width, wider than one space in the font, except for nbsp, where it renders as one space and imposes the non-breaking character. A real shame. There are cases where only a character will do, for instance when padding is being controled or passed to something else with constructs like before:
A non-breaking space is a special kind of whitespace character that isn't considered to be insignificant, so it can be used as content for a non-empty paragraph. Even if you consider CSS margins on paragraphs, since an "empty" paragraph has zero height, its vertical margins will collapse. This causes it to have no height and no margins, making ...
NBSP stands for "No-Break SPace." It is similar to a standard space character, but it prevents line breaks, or newlines from being processed between words or other elements. Typically, a string of text will wrap at the last space before the end of a line. A no-break space is treated as a standard character, so the text will not wrap wherever ...
1. "use css to achieve same" - You might be using non breaking space so your text does not drop down to the next line and outside the boundary of the element which contains the text. If you want to use CSS properties to do this instead, then one way to do this is text-overflow: "clip"; overflow: "hidden";.
A little late to answer but hopefully might help someone else. The most important while extracting content from html is to use utf8_decode() in php (Community warning: "This function is DEPRECATED as of PHP 8.2.0.