<?php
$a=array(1,2,'3',4);
$b=array('1',2,3);
var_dump($a,$b);
result:
array (size=3)
0 => int 1
1 => int 2
2 => string '3' (length=1)
?>
<?php
$a=array(1,2,'3',4);
$b=array('1',2,3);
var_dump($a,$b);
result:
array (size=3)
0 => int 1
1 => int 2
2 => string '3' (length=1)
?>