php给每个段落添加空格的代码

php给每个段落添加空格的代码

<?php
  //Prepends whitespace to each line of a string
  function white_space( $string, $whitespace )
  {
    //Create an array from the string, each key having one line
    $string = explode( PHP_EOL, $string );
 
    //Loop through the array and prepend the whitespace
    foreach( $string as $line => $text )
    {
      $string[ $line ] = $whitespace . $text;
    }
 
    //Return the string
    return( implode( PHP_EOL, $string ) );
  }
?>