php basic usefull keyworld
if
else
elseif/else if
Alternative syntax for control structures
while
do-while
for
foreach
break
continue
switch
declare
return
require
include
require_once
include_once
goto
php best practice programming example with globle keyword <?php $a = 0; $b = 2; function s() { global $a; $a += 1 ; return $a; } function m() { global $a; $a -= 1 ; return $a; } s(); m(); s(); s(); s(); s(); s(); s(); m(); echo $a; ?>
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