public static function isSymbol($s)
{
$__tmp = strlen($s);
if ($__tmp == 0) {
return false;
}
$ch = $s[0];
if (isDigit($ch)) {
return false;
}
for ($i = 0; $i < $__tmp; $i++) {
$ch = $s[$i];
if (!(isChar($ch) || isDigit($ch) || $ch == '_')) {
return false;
}
}
return true;
}
function isAlnum($char)
{
return isAlpha($char) || isDigit($char);
}
<?php
function isDigit($aString)
{
$len = strlen($aString);
for ($i = 0; $i < $len; $i++) {
$theChar = $aString[$i];
if ($theChar < '0' || $theChar > '9') {
return false;
}
}
return true;
}
foreach (file($argv[1]) as $line) {
$list = explode(",", trim($line));
$words = array();
$digits = array();
foreach ($list as $element) {
if (isDigit($element)) {
$digits[] = $element;
} else {
$words[] = $element;
}
}
echo implode(",", $words);
if (count($words) > 0 && count($digits) > 0) {
echo "|";
}
echo implode(",", $digits);
echo "\n";
}