What value is the PHP variable $x assigned with?

if $("1"===1)\{$

$x $=0$;

$\}$

elseif $("1">1)\{$

$x $=1$;

$\}$

elseif $(1==\text{'}1\text{'})\{$

$x $=2$;

$\}$

else $\{$

$x $=-1$;

$\}$

Question $5$ options:

undefined

$2$

$-1$

$1$

$0$