PHP commonly used built-in functions, php built-in_PHP tutorial

PHP commonly used built-in functions, php built-in

$_SERVER['SCRIPT_NAME'] returns /mantis/test.php relative path

__FILE__ returns the absolute path of the file

$_SERVER['HTTP_X_FORWARDED_PROTO']

$_SERVER['HTTPS']

$_SERVER['SERVER_PORT']

$_SERVER['REQUEST_URL']

$GLOBALS

explode

implode

$_SERVER['SERVER_NAME']

$_SERVER['HTTP_HOST']

$_SERVER['SERVER_ADDR']

trim

basename

dirname

krsort

set_time_limit()

time()

is_string()

is_bool

is_Inteter

is_float

strtotime

file_exists

fopen()

feof()

fgets()

trim()

strlen()

str_replace

isset

strpo

$_SERVER['SERVER_SOFEWARE']

realpath

DIRECTORY_SEPARATOR

PATH_SEPARATOR

set_include_path

get_include_path

count()

substr()

$_SERVER['LOCAL_ADDR']

$_SERVER['REMOTE_ADDR']

array_pad

memory_get_usage()

spl_atuoload_register

strtolower()

preg_replace

preg_match

ceil()

floor()

round()

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