File http/response.php

1:	<?php
2:
3:	namespace nightmare\http;
4:
5:	class response
6:	{
7:	private $data;
8:	/**
9:	* @var int
10:	*/
11:	private $status;
12:	/**
13:	* @var array
14:	*/
15:	private $headers = [];
16:	/**
17:	* @var bool
18:	*/
19:	private static $is_sended = false;
20:
21:	/**
22:	* @param mixed $data
23:	* @param int $status
24:	* @param array $headers
25:	*/
26:	public function __construct(
27:	$data = null,
28:	$status = 200,
29:	$headers = []
30:	) {
31:	$this->data = $data;
32:	$this->status = $status;
33:	$this->headers = $headers;
34:	}
35:
36:	/**
37:	* @param mixed $data
38:	* @return self
39:	*/
40:	public function data($data)
41:	{
42:	$this->data = $data;
43:	return $this;
44:	}
45:	/**
46:	* @param int $status
47:	* @return self
48:	*/
49:	public function status($status)
50:	{
51:	$this->status = $status;
52:	return $this;
53:	}
54:
55:	/**
56:	* @param bool $prettify
57:	* @return self
58:	*/
59:	public function json($prettify = false)
60:	{
61:	$this->headers += ['Content-Type: application/json'];
62:
63:	if (is_array($this->data) \|\| is_object($this->data)) {
64:	$flags = 0;
65:
66:	$flags \|= JSON_UNESCAPED_UNICODE \| JSON_UNESCAPED_SLASHES;
67:
68:	if ($prettify) {
69:	$flags \|= JSON_PRETTY_PRINT;
70:	}
71:
72:	$this->data = json_encode($this->data, $flags);
73:	}
74:
75:	return $this;
76:	}
77:
78:	/**
79:	* @param array $headers
80:	* @return self
81:	*/
82:	public function headers($headers)
83:	{
84:	$this->headers = $headers;
85:	return $this;
86:	}
87:
88:	/**
89:	* @return void
90:	*/
91:	public function send()
92:	{
93:	static $is_sended;
94:
95:	if ($is_sended) {
96:	return;
97:	} else {
98:	$is_sended = true;
99:	}
100:
101:	if (is_array($this->data)) {
102:	$this->json();
103:	}
104:
105:	http_response_code($this->status);
106:
107:	$this->headers = array_unique($this->headers);
108:	foreach ($this->headers as $header) {
109:	header($header);
110:	}
111:
112:	echo $this->data;
113:
114:	if (\function_exists('fastcgi_finish_request')) {
115:	fastcgi_finish_request();
116:	} elseif (\function_exists('litespeed_finish_request')) {
117:	litespeed_finish_request();
118:	} elseif (!\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
119:	static::close_output_buffers(0, true);
120:	flush();
121:	}
122:	}
123:
124:	/**
125:	* @param int $targetLevel
126:	* @param bool $flush
127:	* @return void
128:	*/
129:	public static function close_output_buffers($targetLevel, $flush)
130:	{
131:	$status = ob_get_status(true);
132:	$level = \count($status);
133:	$flags = \PHP_OUTPUT_HANDLER_REMOVABLE \| ($flush ? \PHP_OUTPUT_HANDLER_FLUSHABLE : \PHP_OUTPUT_HANDLER_CLEANABLE);
134:
135:	while ($level-- > $targetLevel && ($s = $status[$level]) && (!isset($s['del']) ? !isset($s['flags']) \|\| ($s['flags'] & $flags) === $flags : $s['del'])) {
136:	if ($flush) {
137:	ob_end_flush();
138:	} else {
139:	ob_end_clean();
140:	}
141:	}
142:	}
143:
144:	public static function finish() {
145:	if (\function_exists('fastcgi_finish_request')) {
146:	fastcgi_finish_request();
147:	} elseif (\function_exists('litespeed_finish_request')) {
148:	litespeed_finish_request();
149:	} elseif (!\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
150:	static::close_output_buffers(0, true);
151:	flush();
152:	}
153:	}
154:	}
155:

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