private function func(Token $func, &$args)
{
$functions = array("abs" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return abs($a);
}), "acos" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return acos($a);
}), "acosh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return acosh($a);
}), "addMonths" => array(2, array(Token::T_NUMBER, Token::T_DATE), Token::T_DATE, function ($a, $b) {
return Expression::addMonths($a, $b);
}), "asin" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return asin($a);
}), "asinh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return asinh($a);
}), "atan" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return atan($a);
}), "atan2" => array(2, array(Token::T_NUMBER, Token::T_NUMBER), Token::T_NUMBER, function ($a, $b) {
return atan2($a, $b);
}), "atanh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return atanh($a);
}), "ceil" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return ceil($a);
}), "concat" => array(-1, array(Token::T_TEXT), Token::T_TEXT, function ($a) {
$s = '';
foreach ($a as $v) {
$s .= isset($v) ? $v : '';
}
return $s;
}), "cos" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return cos($a);
}), "cosh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return cosh($a);
}), "count" => array(-1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
$c = 0;
foreach ($a as $v) {
if (isset($v)) {
$c += 1;
}
}
return $c;
}), "day" => array(1, array(Token::T_DATE), Token::T_NUMBER, function ($a) {
return (double) $a->format('d');
}), "exp" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return exp($a);
}), "firstDayOfMonth" => array(1, array(Token::T_DATE), Token::T_DATE, function ($a) {
return Expression::firstDayOfMonth($a);
}), "floor" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return floor($a);
}), "fullmonth" => array(1, array(Token::T_DATE), Token::T_TEXT, function ($a) {
$months = array("janvier", "février", "mars", "avril", "mai", "juin", "juillet", "août", "septembre", "octobre", "novembre", "décembre");
return $months[(int) $a->format('m') - 1] . ' ' . $a->format('Y');
}), "get" => array(2, array(Token::T_ARRAY, Token::T_NUMBER), Token::T_TEXT, function ($a, $b) {
return isset($a[$b - 1]) ? $a[$b - 1] : "";
}), "lastday" => array(2, array(Token::T_NUMBER, Token::T_NUMBER), Token::T_NUMBER, function ($a, $b) {
return Expression::lastDay($b, $a);
}), "lastDayOfMonth" => array(1, array(Token::T_DATE), Token::T_DATE, function ($a) {
return Expression::lastDayOfMonth($a);
}), "length" => array(1, array(Token::T_TEXT), Token::T_NUMBER, function ($a) {
return mb_strlen($a, 'utf8');
}), "log" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return log($a);
}), "log10" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return log10($a);
}), "lower" => array(1, array(Token::T_TEXT), Token::T_TEXT, function ($a) {
return strtolower($a);
}), "match" => array(2, array(Token::T_TEXT, Token::T_TEXT), Token::T_BOOLEAN, function ($a, $b) {
return preg_match($a, $b);
}), "max" => array(2, array(Token::T_NUMBER, Token::T_NUMBER), Token::T_NUMBER, function ($a, $b) {
return max($a, $b);
}), "min" => array(2, array(Token::T_NUMBER, Token::T_NUMBER), Token::T_NUMBER, function ($a, $b) {
return min($a, $b);
}), "money" => array(1, array(Token::T_NUMBER), Token::T_TEXT, function ($a) {
return (string) number_format($a, 2, ",", " ");
}), "month" => array(1, array(Token::T_DATE), Token::T_NUMBER, function ($a) {
return (double) $a->format('m');
}), "nextWorkDay" => array(1, array(Token::T_DATE), Token::T_DATE, function ($a) {
return Expression::nextWorkingDay($a);
}), "pow" => array(2, array(Token::T_NUMBER, Token::T_NUMBER), Token::T_NUMBER, function ($a, $b) {
return pow($a, $b);
}), "rand" => array(0, array(), Token::T_NUMBER, function () {
return rand();
}), "replace" => array(3, array(Token::T_TEXT, Token::T_TEXT, Token::T_TEXT), Token::T_TEXT, function ($a, $b, $c) {
return str_replace($a, $b, $c);
}), "round" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return round($a);
}), "sin" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return sin($a);
}), "sinh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return sinh($a);
}), "size" => array(1, array(Token::T_ARRAY), Token::T_NUMBER, function ($a) {
return count($a);
}), "split" => array(2, array(Token::T_TEXT, Token::T_TEXT), Token::T_ARRAY, function ($a, $b) {
return explode($a, $b);
}), "sqrt" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return sqrt($a);
}), "substr" => array(3, array(Token::T_TEXT, Token::T_NUMBER, Token::T_NUMBER), Token::T_TEXT, function ($a, $b, $c) {
return substr($a, $b - 1, $c);
}), "sum" => array(-1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
$s = 0;
foreach ($a as $v) {
if (isset($v)) {
$s += $v;
}
}
return $s;
}), "tan" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return tan($a);
}), "tanh" => array(1, array(Token::T_NUMBER), Token::T_NUMBER, function ($a) {
return tanh($a);
}), "upper" => array(1, array(Token::T_TEXT), Token::T_TEXT, function ($a) {
return strtoupper($a);
}), "workdays" => array(2, array(Token::T_DATE, Token::T_DATE), Token::T_NUMBER, function ($a, $b) {
return Expression::workdays($a, $b);
}), "year" => array(1, array(Token::T_DATE), Token::T_NUMBER, function ($a) {
return (double) $a->format('Y');
}));
if ($func->value == "defined") {
if (count($args) < 1) {
throw new \Exception("Illegal number (" . count($args) . ") of operands for function" . $func);
}
$arg = array_pop($args);
if ($arg->isVariable()) {
return new Token(Token::T_BOOLEAN, false);
}
if ($arg->value === null || $arg->value == "") {
return new Token(Token::T_BOOLEAN, false);
}
return new Token(Token::T_BOOLEAN, true);
}
if (!isset($functions[$func->value])) {
throw new \Exception("Unknown function : " . $func);
}
$argc = $functions[$func->value][0];
$variableArgsCount = false;
if ($argc == -1) {
$argc = count($args);
$variableArgsCount = true;
}
if (count($args) < $argc) {
throw new \Exception("Illegal number (" . count($args) . ") of operands for function" . $func);
}
$argv = array();
for (; $argc > 0; --$argc) {
$arg = array_pop($args);
if (!$variableArgsCount) {
if ($arg->isVariable()) {
return new Token(Token::T_UNDEFINED, array($arg));
}
$type = $functions[$func->value][1][$argc - 1];
if ($arg->type != $type) {
$expected = "";
switch ($type) {
case Token::T_NUMBER:
$expected = "number";
break;
case Token::T_DATE:
$expected = "date";
break;
case Token::T_BOOLEAN:
$expected = "boolean";
break;
case Token::T_TEXT:
$expected = "text";
break;
case Token::T_ARRAY:
$expected = "array";
break;
}
throw new \Exception("Illegal type for argument '" . $arg . "' : operand must be a " . $expected . " for " . $func);
}
array_unshift($argv, $arg->value);
} else {
if ($arg->isVariable()) {
unset($arg->value);
} else {
array_unshift($argv, $arg->value);
}
}
}
if ($variableArgsCount) {
$argv = array($argv);
}
return new Token($functions[$func->value][2], call_user_func_array($functions[$func->value][3], $argv));
}
