<?php

function translate($strTranslate) {
    // Split the phrase into words
    $pieces =  explode(" ", $strTranslate);

    // Loop through each word for translation
    for ($i = 0; $i < count($pieces); $i++) {
        pigLatin($pieces[$i]);
    }
}

// Controller function for determining if word starts with vowel, then add "way"
// Otherwise, pass it on for rotation and add "ay"
// Piglatin has variations in rules, this is a common form but not only form.

function pigLatin($word) {
    if (isVowel(substr($word,0,1))) {
        echo "$word" . "way ";
    }
    else {
        echo moveLetter($word) . "ay ";
    }
}

// Recursive function to take off a non vowel letter and put it on the end
// Recall the function until a vowel is encountered and then return the word.
function moveLetter(&$word) {
    if (!isVowel(substr($word,0,1))) {
        $chLetter = strtolower(substr($word,0,1));
        $word = substr($word,1) . $chLetter;
        return moveLetter($word);
    }
    else { return $word; }
}

// Simply checks if letter is a vowel.
// For most pig latin variations, Y is considered a vowel.
function isVowel($chLetter) {
    $letters = array("a","e","i","o","u","y");

    for ($i = 0; $i < 6; $i++) {
        if (strtolower($chLetter) == $letters[$i]) { return true; }
    }

    return false;
}

translate("This is a test");

<?php  
  
function translate($strTranslate) {  
    // Split the phrase into words  
    $pieces =  explode(" ", $strTranslate);  
  
    // Loop through each word for translation  
    for ($i = 0; $i < count($pieces); $i++) {  
        $tmp .= pigLatin($pieces[$i]);  
    }  
    return($tmp);
}  
  
// Controller function for determining if word starts with vowel, then add "way"  
// Otherwise, pass it on for rotation and add "ay"  
// Piglatin has variations in rules, this is a common form but not only form.  
  
function pigLatin($word) {  
    if (isVowel(substr($word,0,1))) {  
        return "$word" . "way ";  
    }  
    else {  
        return moveLetter($word) . "ay ";  
    }  
}  
  
// Recursive function to take off a non vowel letter and put it on the end  
// Recall the function until a vowel is encountered and then return the word.  
function moveLetter(&$word) {  
    if (!isVowel(substr($word,0,1))) {  
        $chLetter = strtolower(substr($word,0,1));  
        $word = substr($word,1) . $chLetter;  
        return moveLetter($word);  
    }  
    else { return $word; }  
}  
  
// Simply checks if letter is a vowel.  
// For most pig latin variations, Y is considered a vowel.  
function isVowel($chLetter) {  
    $letters = array("a","e","i","o","u","y");  
    if (in_array(strtolower($chLetter),$letters)) { return true; }  
    return false;  
}  
  
$text = "This is a test";  
  
$temp_text = translate($text);  

echo ' '.$text.'<br>';

echo ' '.$temp_text.'<br>';


?>

Foobar, foo + bar
<?php echo 'food';
$foobar = 'foo'; ?>

oobarFay, oofay, arbay
<?php echo 'food';
$foobar = 'foo'; ?>