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@ 2018-05-03T09:56:13Z

<?php

$string = trim('http://image.de/image.jpg');
if (empty($string)) {
    echo 'empty ';
}
echo $string;

Output
Performance
VLD
References
Branches

trim: documentation ( source)

preferences:dark modelive preview

54.4 ms | 402 KiB | 5 Q