PHP Custom Function br2nl Method to Convert br Line Breaks in HTML to Line Breaks in Text Input [and Function nl2br Function Opposite]

This article gives an example of php custom function br2nl implements the method of converting HTML line breaks br

The following methods will help you solve this problem.

The PHP version converts <br /Convert line breaks to text box line breaks:

The code is as follows:

function br2
  return preg_replace('/<br\\s*;?;\/;??>/i','',$text);
}

or

The code is as follows:

function br2
  $text=preg_replace('/<br\\s*;?;\/;??>/i',chr(13
  return preg_replace('/ /i,' ',$text);
}

Appendix:

The JS version converts <br /Convert line breaks to text box line breaks:

The code is as follows:

function br2nl(txt){
  var re=/(<br\/>|<br>|<BR>|<BR\/>)/g;
  var s=txt.replace(re,"\n");
  return s;
}

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