sandacn

#!/bin/bash


dir=$1

if [ ! -d $dir ];
then
    echo "$dir does not exist"
    exit 1
fi

sandacn

package main

import (
    "fmt"
    "strings"
    "time"
    "math"
)

func splitByWidthMake(str string, size int) []string {

sandacn

<?php


### run this with php 7.3 and php lower version such as php 7.2
### time php re_bench.php 
### time php73 re_bench.php

$regex_list = [
    '#Twain#',
    '#(?i)Twain#',

sandacn

#Source https://stackoverflow.com/questions/6275535/php-error-php-network-getaddresses-getaddrinfo-failed-while-getting-informat/43844746#43844746

In my case(my machine is ubuntu 16), I append /etc/resolvconf/resolv.conf.d/base file by adding below ns lines.

nameserver 8.8.8.8
nameserver 4.2.2.1
nameserver 2001:4860:4860::8844
nameserver 2001:4860:4860::8888

then run the update script,

sandacn

function mb_trim( $str ) {
    return mb_ereg_replace(
        '^[[:space:]]*([\s\S]*\S)?[[:space:]]*$', '\1', $str );
}

sandacn

#!/bin/sh
 
# Script to compile nginx on ubuntu with lua support.
 
NGX_VERSION='1.6.2'
LUAJIT_VERSION='2.0.3'
LUAJIT_MAJOR_VERSION='2.0'
NGX_DEVEL_KIT_VERSION='0.2.19'
LUA_NGINX_MODULE_VERSION='0.9.15'
 

sandacn

<?php

function is_intranet_ip($ip = null) {
    if (!$ip) {
        $ip = $_SERVER['REMOTE_ADDR'];
    }
    $long_ip = ip2long($ip);
    $ret = false;
    // 分别判断10. 192.168.  172.16-31. 127.0.0.1
    if ($long_ip >> 24 == 0xa || $long_ip >> 20 == 0xac1 || $long_ip >> 16 == 0xc0a8 || $long_ip == 0x7f000001) {

sandacn

<?php
ini_set('xdebug.trace_format', '1');
class MyPhotoBO {
    public static $SPEC_GIANT = "giant";
    public static $SPEC_BIG = "big";
    public static $SPEC_MIDDLE = "middle";
    public static $SPEC_MIDDLE_BIG = "middlebig";
    public static $SPEC_SQUARE_200 = "middlesquare";
    public static $SPEC_SQUARE_100 = "smallsquare";
    public static $SPEC_FIT_100 = "smallfit";

sandacn

<?php
## 测试 if else 和switch 哪个更快 
## 测试结果是 if else 更快

// prepare test data
$MAX = 1000000;
$data = array();
$actions = array("add", "remove", "edit");
$rates = array(1, 1, 1);
$limits = array();

sandacn

<?php
## 测试到底是i++ 快还是 ++i快


$MAX = 1000000;


$start_ts = microtime(true);
for ($i = 0; $i < $MAX; $i++) {
    $a = 1;