<?php
$tmpValue = "\"test\"";
if(strpos($tmpValue, '"') === 0) { echo $newValue;
}
PD9waHAKCiR0bXBWYWx1ZSA9ICJcInRlc3RcIiI7CgoKaWYoc3RycG9zKCR0bXBWYWx1ZSwgJyInKSA9PT0gMCkgewogICAgJG5ld1ZhbHVlID0gc3Vic3RyKCR0bXBWYWx1ZSwgMSwgc3RybGVuKCR0bXBWYWx1ZSkgLSAyKTsKICAgIGVjaG8gJG5ld1ZhbHVlOwp9