The difference in syntax (part) between php and python

this chapter will introduce some of the grammatical differences between php and python. it has certain reference value. friends in need can refer to it. i hope it will be helpful to you.

heredoc syntax

php
$a = <<< str
    字符串
    字符串
str;

python
print("""
　　字符串
　　字符串
""")

character case control

//php　　
(strtolower(str),strtoupper(str))$a = "hello world";print(strtolower($a));

//python　　
(str.lower(), str.upper())a = "hello world"print(a.lower())

encoding:

php:

header('content-type:text/html;charset=utf-8');

python:

#encoding=utf-8 or #coding:utf-8 in order to highlight the great artistic talent of programmers often written as # -*- coding:utf-8 -*- python3 defaults to utf-8

array operations:

create array

php：
$array = new array();
或 
$array = array("a"=>"a","b"=>"b");

 python：
array = []
或
array = [1,2,3]

add array

php:

array_push($arr, $val);

python:

array.append(val) #追加
或
array.extend(val) #合并

delete array elements

php:

array_pop(); 删除最后一个元素 
array_shift();删除第一个元素

python:

array.pop()