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소스 채널 @phpdevelopersuz · Post #2374 · 3월 6일

<?php $url = "https://t.me/liderkoder"; if (! filter_var($url, FILTER_VALIDATE_URL) === false) { echo("Url is valid"); } else { echo("Url is not valid"); } php orqalik link ni aniqlash😄 #php#liderkoder#chekurl @phpdevelopersuz | Obuna bo'ling

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Google Facts™ [ ️@googlefactss🌎]

@googlefactss · Post #40236 · 2025. 12. 02. AM 07:04

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🌍 Over 2,200 years ago, the Greek mathematician Eratosthenes calculated Earth’s circumference using only a stick and his brain — and he was almost exactly right! 📏 By observing shadows in two cities, he calculated the Earth was about 40,000 km around. Ancient genius at its finest! [Source] @googlefactss#AncientGreece#ScienceHistory#Eratosthenes#EarthCircumference#AncientScience

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