:create php file $(2$degree$)$create $4$ variables from this types $[$ string $,$ integer $,$ float $,$ bool $](8$degree$)$print data type for each variable $(4$degree$)$print all variables $(2$degree$)$Apply the concept of local scope $(4$degree$)$Use this function function myFunction$\{$Create variable from string type $(2$degree$)$Get the length $(2$degree$)$Convert the string into upper case $(2$degree$)$Replace some characters with some other characters $(2$degree$)$Reverse the string $(1$degree$)$Split the string into an array by comma $(3$degree$)\}$Create variable from integer type then convert into float type $(1$degree$)$Create variable from float type then convert into int type $(1$degree$)$Create variable from string type then convert into bool type $(3$degree$)$You must see the result after convert operation bool$($false$)$Create variable from int type then convert into bool type $(3$degree$)$You must see the result after convert operation bool$($false$)$