php 문자열 연습

php 문자열 연습

<?php
$source = "https://www.coupang.com:80/vp/products/184614775";
/*
{
    "protocol":"https",
    "domain": "www.coupang.com",
    "port": 80,
    "url":"/vp/products/184614775"
}
*/
#------------------------------------------------------------
$source = "/home/user/Desktop/file.xls";
/*
/home/user/Desktop/
*/
#------------------------------------------------------------
$source = "/home/user/Desktop/file.xls";
/*
file.xls
*/
#------------------------------------------------------------
$source = "file.xls";
/*
xls
*/
#------------------------------------------------------------
$source = "abcd@email.com";
/*
{
    "account_name": "abcd",
    "host": "email.com"
}
*/
#------------------------------------------------------------
$source = "abcd@@email.com";
/*
false
*/
#------------------------------------------------------------
$source = array();
$source[] = "aaa";
$source[] = "aaa";
$source[] = "bbb";
$source[] = "aaa";
/*
["aaa", "bbb"]
*/
#------------------------------------------------------------
$source = "/home//account////aaa/file.txt";
/*
/home/account/aaa/file.txt
*/
#------------------------------------------------------------
$source = array();
$source[] = "aa5a";
$source[] = "ahhaa";
$source[] = "bddddbb";
$source[] = "aaa";
/*
[4,5,7,3]
*/