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Home Aptitude Reasoning DI VA GK CA CA Hindi Quiz Placements
$string1 . $string2
$string1 + $string2
$string1 .= $string2
$string1, $string2
json_encode()
encode_json()
json()
json_format()
file_exists()
check_file()
exists_file()
file_check()
boolean
integer
float
char
strlen()
strcount()
strlength()
strsize()
==
!=
<=>
><
header()
location()
redirect()
navigate()
to_uppercase()
strtoupper()
upper()
case_upper()
toUpper()
caseUpper()
mysql_connect()
mysqli_connect()
pdo_connect()
sql_connect()