Remove newlines (\n) from the left side of a string in PHP

Description

The following code shows how to remove newlines (\n) from the left side of a string.

Example

/*from  w  ww  . j  a  v a2  s  .  c  o m*/
<?php
    $str = "\n\n\nHello World!";
    echo "Without ltrim: " . $str;
    echo "<br>";
    echo "With ltrim: " . ltrim($str);
?>

The code above generates the following result.