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@ 2018-10-26T11:10:10Z

<?php
class Test {
    
    public function read() {
        
    }
}

$test = new Test();


$i = 0;
$start = microtime(true);
while( $i < 1000000) {
    method_exists($test, 'read');
    $i++;
}
$end = microtime(true);
echo PHP_EOL . $end - $start;

Output
Performance
VLD
References
Branches

microtime: documentation ( source)
method_exists: documentation ( source)

preferences:dark modelive preview

33.63 ms | 402 KiB | 5 Q