function _locale_import_tokenize_formula in Drupal 7
Same name and namespace in other branches
- 4 includes/locale.inc \_locale_import_tokenize_formula()
- 5 includes/locale.inc \_locale_import_tokenize_formula()
- 6 includes/locale.inc \_locale_import_tokenize_formula()
Backward compatible implementation of token_get_all() for formula parsing
Parameters
$string: A string containing the arithmetic formula.
Return value
The PHP version of the formula.
Related topics
1 call to _locale_import_tokenize_formula()
- _locale_import_parse_arithmetic in includes/
locale.inc - Parses and sanitizes an arithmetic formula into a PHP expression
File
- includes/
locale.inc, line 1386 - Administration functions for locale.module.
Code
function _locale_import_tokenize_formula($formula) {
$formula = str_replace(" ", "", $formula);
$tokens = array();
for ($i = 0; $i < strlen($formula); $i++) {
if (is_numeric($formula[$i])) {
$num = $formula[$i];
$j = $i + 1;
while ($j < strlen($formula) && is_numeric($formula[$j])) {
$num .= $formula[$j];
$j++;
}
$i = $j - 1;
$tokens[] = $num;
}
elseif ($pos = strpos(" =<>!&|", $formula[$i])) {
// We won't have a space
$next = $formula[$i + 1];
switch ($pos) {
case 1:
case 2:
case 3:
case 4:
if ($next == '=') {
$tokens[] = $formula[$i] . '=';
$i++;
}
else {
$tokens[] = $formula[$i];
}
break;
case 5:
if ($next == '&') {
$tokens[] = '&&';
$i++;
}
else {
$tokens[] = $formula[$i];
}
break;
case 6:
if ($next == '|') {
$tokens[] = '||';
$i++;
}
else {
$tokens[] = $formula[$i];
}
break;
}
}
else {
$tokens[] = $formula[$i];
}
}
return $tokens;
}