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@ 2020-04-16T11:59:46Z

<?php

function foo() { trigger_error(E_USER_WARNING, 'dsadsa'); return false; }

if (!@foo()) {
    echo 'Hello world', PHP_EOL;
}

if (@!foo()) {
    echo 'Hello world', PHP_EOL;
}

Output
Performance
VLD
References
Branches

trigger_error: documentation ( source)

preferences:dark modelive preview

28.54 ms | 404 KiB | 5 Q