Login Register

log

(PHP 4, PHP 5, PHP 7)

Natural logarithm

float log ( float $arg [, float $base = M_E ] )

If the optional base parameter is specified, log() returns log_basearg, otherwise log() returns the natural logarithm of arg.

Parameters:

arg

The value to calculate the logarithm for

base

The optional logarithmic base to use (defaults to 'e' and so to the natural logarithm).

Returns:

The logarithm of arg to base, if given, or the natural logarithm.

See also:

Links:

http://php.net/manual/en/function.log.php

doc_php

2016-02-24 16:02:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

Log::log public Log::log(StatementInterface $statement, $args, $time) Log a query to all active logging keys. Parameters $statement: The prepared statement o

$log.log() log(); Write a log message

logging.log() logging.log(level, msg, *args, **kwargs) Logs a message with level level on the root logger. The other arguments are interpreted as for debug().

Log::log() void log(string $level, string $message, array $context = array()) Log a message to the logs. Parameters string $level string $mes

ngMock.$log.log.logs log.logs Array of messages logged using log().