- substr: documentation ( source)
<?php
$string_1 = "AnaHasSomeApples"; // we need to add
$string_1 = "HsSomeApples"; // we need to add
$string_1 = "HasApplesAlready"; // already exists at the beginning
$string_1 = (substr( $string_1 , 0, 3 ) !== "https") ? "Has".$string_1:$string_1;
echo $string_1;
?>