class AmazonApiRateLimiter { /** * Minimalna przerwa między zapytaniami (sekundy). */ const INTERVAL_SECONDS = 2; /** * Nazwa pliku blokady w katalogu log/. */ const LOCK_FILENAME = 'amazon_api_rate.lock'; /** * @var string Pełna ścieżka do pliku blokady */ private $lockFilePath; /** * @var bool Tryb debug */ private $debug; public function __construct($debug = false) { $this->debug = $debug; $this->lockFilePath = MT_ROOT . '/../log/' . self::LOCK_FILENAME; } /** * Czeka, jeśli ostatnie zapytanie było wykonane wcześniej niż INTERVAL_SECONDS temu. * * Musi być wywołane bezpośrednio przed każdym zapytaniem do Amazon API. * Blokuje inne procesy (flock LOCK_EX) na czas weryfikacji i ewentualnego czekania, * dzięki czemu kolejka zapytań jest respektowana globalnie. * * @return void */ public function wait() { $fh = fopen($this->lockFilePath, 'c+'); if ($fh === false) { $this->debug('[DEBUG AmazonApiRateLimiter] Nie można otworzyć pliku blokady: ' . $this->lockFilePath); return; } // Zablokuj - inne procesy czekają tutaj flock($fh, LOCK_EX); // Odczytaj czas ostatniego wywołania API rewind($fh); $content = fread($fh, 32); $lastCall = (float)$content; $now = microtime(true); $elapsed = $now - $lastCall; $waitTime = self::INTERVAL_SECONDS - $elapsed; if ($waitTime > 0) { $waitMicroseconds = (int)($waitTime * 1000000); $this->debug('[DEBUG AmazonApiRateLimiter] Rate limit: czekam ' . round($waitTime, 3) . 's przed zapytaniem do API.'); usleep($waitMicroseconds); } // Zapisz aktualny timestamp jako czas ostatniego wywołania ftruncate($fh, 0); rewind($fh); fwrite($fh, microtime(true)); fflush($fh); // Zwolnij blokadę - następny proces może wejść flock($fh, LOCK_UN); fclose($fh); } /** * Wypisuje komunikat diagnostyczny na stdout, jeśli tryb debug jest włączony. * * @param string $msg * @return void */ private function debug($msg) { if ($this->debug) { echo $msg . "\n"; } } } ?> Compare phones: Sharp Aquos Xx2 mini vs Realme C2 :: GSMchoice.com ';

Sharp Aquos Xx2 mini vs Realme C2

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Sharp Aquos Xx2 mini
Total value: 6,26
User opinions: 0
Realme C2
Total value: 7,08
User opinions: 0
Type TouchTouch
Waterproofness & dust-resistance IP65, IP68No data
Dimensions 126.00 x 66.00 x 8.90 mm154.30 x 73.70 x 8.50 mm
Weight 121.00 g166.00 g
Display size 4.70" 6.10"
Display Color / IGZO TFT
16M colors
1080 x 1920 px (4.70") 469 ppi		Color / IPS TFT
16M colors
720 x 1560 px (6.10") 282 ppi
Display protection
No
Buy screen protector icon_info
Corning Gorilla Glass
Buy screen protector icon_info
Additional display NoNo
Protection of the secondary display NoNo
Standard battery Li-Ion 2810 mAhBuy powerbank icon_infoLi-Ion 4000 mAhBuy powerbank icon_info
Quick battery charging NoNo
Wireless battery charging NoNo
Internal memory 16 GB16 GB, 32 GB
RAM memory 3 GB2 GB, 3 GB
Memory cards Yes
microSD, microSDHC, microSDXC
up to 200 GBBuy memory card icon_info		Yes
microSD, microSDHC, microSDXC
up to 256 GBBuy memory card icon_info
Operating system Android 5.1 LollipopAndroid 9.0 Pie
Interface -ColorOS 6.0
Processor Qualcomm Snapdragon 808 8992MediaTek Helio P22 MT6762
Processor clock 1800 MHz2000 MHz
GPU Adreno 418 @600 MHzPowerVR GE8320 @650 MHz
Touchscreen YesYes
DualSIM NoYes
SIM cards standard SingleSIM(nanoSIM) DualSIM(nanoSIM, nanoSIM)
DualSIM mode nddual standby
Hybrid DualSIM ndnanoSIM, microSD
Announced 1Q 20162Q 2019
Other names -RMX1941
GSM frequencies 850 900 1800 1900 850 900 1800 1900
UMTS 850 2100 850 900 2100
LTE standard FDD LTE: 2000, 1700FDD LTE: 2100, 1800, 900, 850
TDD LTE: 2600, 2500, 2300
CDMA 850
CDMA2000 1xEV-DO		No
Standard TD-SCDMA NoNo
UMA NoNo
A D V E R T I S E M E N T
CAMERAS - BACK

CAMERAS - BACK

First camera YesYes
Photo matrix 13.1 Mpx13 Mpx
Resolution 4128x3096 pxNo data
Optical zoom NoNo
Digital zoom No data4x
Flash Yes LEDNo
Dual-colour LED flash NoNo
Video resolution 3840x2160 px1920x1080 px
Video formats H.263, H.264, MPEG4 - 30 fpsH.263, H.264, MPEG4 - 30 fps
Additional AFAF, f/2.2
Second camera NoYes
Photo matrix nd2 Mpx
Optical zoom ndNo
Flash ndNo
Dual-colour LED flash ndNo
Video formats ndH.263, H.264, MPEG4 - 30 fps
Additional ndFF, f/2.4
CAMERAS - FRONT

CAMERAS - FRONT

First camera YesYes
Photo matrix 5 Mpx5 Mpx
Resolution 2592x1944 pxNo data
Optical zoom NoNo
Flash NoNo
Dual-colour LED flash NoNo
Video formats H.263, H.264, MPEG4 - 30 fpsH.263, H.264, MPEG4 - 30 fps
Additional -FF, f/2.0
SENSORS

SENSORS

Accelerometer NoYes
Proximity NoYes
Light NoYes
Magnetometer NoYes
Gyroscope NoNo
Barometer NoNo
Altimeter NoNo
Gravity NoYes
Hall-effect NoNo
Iris scanner NoNo
Fingerprint scanner NoNo
Thermometer NoNo
Hygrometer NoNo
Data transfer

Data transfer

xHTML YesYes
WAP Yes
v2.0		Yes
v2.0
HSCSD NoNo
HSDPA Yes
14.40 Mbit/s		Yes
HSUPA Yes
5.76 Mbit/s		Yes
HSPA YesYes
HSPA+ YesYes
LTE DL -Yes
LTE UP -Yes
WIMAX+ YesNo
GPRS YesYes
EDGE YesYes
Bluetooth Yes
v4.1		Yes
v4.2
A2DP Profile YesYes
HDMI NoNo
WiFi Yes
v802.11 a/b/g/n/ac		Yes
v802.11 b/g/n
WiFi frequencies 2,4 GHz; 5 GHz2,4 GHz
WiFi Direct NoYes
WiFi Display NoNo
DLNA NoNo
Miracast NoNo
WiFi hotspot YesNo
IrDA No dataNo
USB Yes
v2.0		Yes
v2.0
GPS YesYes
A-GPS YesYes
GLONASS NoYes
Beidou NoNo
NFC YesNo
COMMUNICATION AND MESSAGING

COMMUNICATION AND MESSAGING

Call waiting YesYes
Conferency YesYes
Call forwarding YesYes
Push To Talk NoNo
Instant Messenger YesYes
SMS YesYes
EMS NoNo
MMS YesYes
Dictionary Yes
XT9		Yes
T9
Swype NoNo
e-mail client Yes
POP3, IMAP4, SMTP		Yes
POP3, IMAP4, SMTP
Hardware QWERTY keyboard NoNo
RSS Reader YesYes
Multimedia

Multimedia

MP3 YesYes
Stereo speakers NoNo
Audio Jack 3.5 mm3.5 mm
HD Voice NoYes
Sound formats AAC, AAC+, AMR, WAV, eAAC+No data
Polyphony YesYes
Video ringtone NoNo
Ring composer NoNo
Games YesNo
Java Yes
ART		Yes
ART
Videophone NoNo
DVB-H television NoNo
TV-Out NoNo
PIM AND ADDITIONAL FUNCTIONS

PIM AND ADDITIONAL FUNCTIONS

Watch YesYes
Stopwatch YesYes
Alarm YesYes
Calculator YesYes
Currency converter NoNo
Organizer YesYes
Calendar YesYes
Flight mode YesYes
SyncML NoNo
Data and fax YesYes
Screensaver YesYes
Themes YesYes
Interchangeable covers NoNo
Voice dial YesYes
Speakerphone YesYes
Recorder YesYes
Vibrations YesYes
Sharp Aquos Xx2 mini
Total value: 6,26
Realme C2
Total value: 7,08
A D V E R T I S E M E N T

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