Fixes, Exit and Die added

Author: serkanalgur

exec.go

@@ -4,10 +4,13 @@ import (
 	"bytes"
 	"fmt"
 	"log"
+	"os"
 	"os/exec"
 )
 
 // Exec - Start a command on system
+// Original : https://www.php.net/manual/tr/function.exec.php
+// exec() executes the given command.
 func Exec(of string) {
 	var out bytes.Buffer
 	cmd := exec.Command(of)
@@ -18,7 +21,9 @@ func Exec(of string) {
 	}
 }
 
-// ShellExec - Start a command on system
+// ShellExec - Execute command via shell and return the complete output as a string
+// Original : https://www.php.net/manual/en/function.shell-exec.php
+// This function is identical to the backtick operator.
 func ShellExec(of string) {
 	var out bytes.Buffer
 	cmd := exec.Command(of)
@@ -29,3 +34,17 @@ func ShellExec(of string) {
 	}
 	fmt.Printf("%q\n", out.String())
 }
+
+// Exit - Output a message and terminate the current script
+// Original : https://www.php.net/manual/en/function.exit.php
+// Terminates execution of the script. Shutdown functions and object destructors will always be executed even if exit is called.
+func Exit(of int) {
+	os.Exit(of)
+}
+
+// Die - Equivalent to exit
+// Original : https://www.php.net/manual/en/function.die.php
+// This language construct is equivalent to exit().
+func Die(of int) {
+	os.Exit(of)
+}

time.go

@@ -8,24 +8,28 @@ import "time"
 
 // Time - Similar function of time() in PHP.
 // Original : https://www.php.net/manual/en/function.time.php
+// Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
 func Time() int64 {
 	return time.Now().Unix()
 }
 
 // Now - Similar function of time() in PHP.
 // Original : https://www.php.net/manual/en/function.time.php
+// Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
 func Now() int64 {
 	return time.Now().Unix()
 }
 
 // Sleep - Delay in seconds
 // Original : https://www.php.net/manual/en/function.sleep.php
+// Delays the program execution for the given number of seconds.
 func Sleep(t int64) {
 	time.Sleep(time.Duration(t) * time.Second)
 }
 
 // USleep - Delay in microseconds
 // Original : https://www.php.net/manual/en/function.usleep.php
+// Delays program execution for the given number of microseconds.
 func USleep(t int64) {
 	time.Sleep(time.Duration(t) * time.Microsecond)
 }