php man page for pcntl_exec

PCNTL_EXEC(3)								 1							     PCNTL_EXEC(3)

pcntl_exec - Executes specified program in current process space

SYNOPSIS
       void pcntl_exec (string	$path, [array  $args], [array  $envs])

DESCRIPTION
	Executes the program with the given arguments.

PARAMETERS
	      o $path
		-$path	must  be  the  path  to  a  binary  executable	or  a  script with a valid path pointing to an executable in the shebang (
		#!/usr/local/bin/perl for example) as the first line. See your system's man execve(2) page for additional information.

	      o $args
		-$args is an array of argument strings passed to the program.

	      o $envs
		-$envs is an array of strings which are passed as environment to the program. The array is in the format of name => value, the key
		being the name of the environmental variable and the value being the value of that variable.

RETURN VALUES
	Returns FALSE on error and does not return on success.

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