<?php
function lowerCase($string){
$new_string = "";
$length = strlen($string);
for($i = 0; $i < $length; $i++){
if(ord($string[$i]) >= 65 && ord($string[$i]) <= 91){
$new_string .= chr(ord($string[$i]) + 32);
}else{
$new_string .= $string[$i];
}
}
return $new_string;
}
function lower_word($string1, $string2){
$string1 = lowerCase($string1);
$string2 = lowerCase($string2);
$len1 = strlen($string1);
$len2 = strlen($string2);
if($len1 < $len2){
$min_len = $len1;
}else{
$min_len = $len2;
}
for($i = 0; $i < $min_len; $i++){
if($string1[$i] > $string2[$i]){
return $string2;
}elseif($string1[$i] < $string2[$i]){
return $string1;
}
}
if($len1 < $len2){
return $string1;
}else{
return $string2;
}
}
echo lower_word('Bat', 'ball');
function lowerCase($string){
$new_string = "";
$length = strlen($string);
for($i = 0; $i < $length; $i++){
if(ord($string[$i]) >= 65 && ord($string[$i]) <= 91){
$new_string .= chr(ord($string[$i]) + 32);
}else{
$new_string .= $string[$i];
}
}
return $new_string;
}
function lower_word($string1, $string2){
$string1 = lowerCase($string1);
$string2 = lowerCase($string2);
$len1 = strlen($string1);
$len2 = strlen($string2);
if($len1 < $len2){
$min_len = $len1;
}else{
$min_len = $len2;
}
for($i = 0; $i < $min_len; $i++){
if($string1[$i] > $string2[$i]){
return $string2;
}elseif($string1[$i] < $string2[$i]){
return $string1;
}
}
if($len1 < $len2){
return $string1;
}else{
return $string2;
}
}
echo lower_word('Bat', 'ball');
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