Python to PHP Equivalents

print "Hello, World!"

print("Hello, World!")

echo "Hello, World!";

len("Hello, World!")

len("Hello, World!")

strlen("Hello, World!");

str(42)

str(42)

(string) 42 or strval(42);

int("42")

int("42")

(int) "42" or intval("42");

float("42.5")

float("42.5")

(float) "42.5" or floatval("42.5");

range(5)

range(5)

range(0, 5);

def example_function():

def example_function():

function example_function() {}

class ExampleClass(object):

class ExampleClass:

class ExampleClass {}

import os

import os

include "os.php"; or require "os.php";

list([1, 2, 3])

list([1, 2, 3])

$array = array(1, 2, 3);

for i in range(3):

for i in range(3):

for ($i = 0; $i < 3; $i++) {}

if x == y: elif x > y:

if x == y: elif x > y:

if ($x == $y) {} elseif ($x > $y) {}

from math import sqrt

from math import sqrt

function sqrt($number) { return sqrt($number); }

list.append(4)

list.append(4)

$array[] = 4;

dict(a=1, b=2)

dict(a=1, b=2)

$dict = array("a" => 1, "b" => 2);

sorted([3, 1, 2])

sorted([3, 1, 2])

sort($array);

list.sort()

list.sort()

sort($array);

open("file.txt", "r")

open("file.txt", "r")

fopen("file.txt", "r");

file.read()

file.read()

fread($file, filesize("file.txt"));

file.close()

file.close()

fclose($file);

os.path.join('path', 'file')

os.path.join('path', 'file')

join(DIRECTORY_SEPARATOR, array('path', 'file'));

os.path.exists('file.txt')

os.path.exists('file.txt')

file_exists('file.txt');

json.dumps(obj)

json.dumps(obj)

json_encode($obj);

json.loads(json_data)

json.loads(json_data)

json_decode($json_data, true);

re.match(pattern, string)

re.match(pattern, string)

preg_match($pattern, $string);

time.time()

time.time()

time();

datetime.datetime.now()

datetime.datetime.now()

new DateTime();

try: ... except SomeError:

try: ... except SomeError:

try { ... } catch (SomeError $e) {}

raise ValueError("Error message")

raise ValueError("Error message")

throw new ValueError("Error message");

lambda x: x * 2

lambda x: x * 2

function ($x) { return $x * 2; };

map(lambda x: x * 2, list)

map(lambda x: x * 2, list)

array_map(function ($x) { return $x * 2; }, $array);

filter(lambda x: x % 2 == 0, list)

filter(lambda x: x % 2 == 0, list)

array_filter($array, function ($x) { return $x % 2 == 0; });

reduce(lambda x, y: x * y, list)

functools.reduce(lambda x, y: x * y, list)

array_reduce($array, function ($x, $y) { return $x * $y; });

zip(list1, list2)

zip(list1, list2)

array_map(null, $array1, $array2);

xrange(5)

range(5)

range(0, 5);

itertools.groupby(list)

itertools.groupby(list)

Not directly available, custom function needed.

socket.socket()

socket.socket()

socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

urllib.urlopen(url)

urllib.request.urlopen(url)

file_get_contents($url);

urlparse.urljoin(base, url)

urllib.parse.urljoin(base, url)

Not directly available, custom function needed.

subprocess.Popen(cmd)

subprocess.Popen(cmd)

proc_open($cmd, $descriptorspec, $pipes);

threading.Thread(target=func)

threading.Thread(target=func)

Not directly available, custom function needed or use a library like pthreads.