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@ 2014-01-28T16:40:27Z

<?php

echo "Are you sure you want to do this?  Type 'yes' to continue: ";
$handle = fopen ("php://stdin","r");
$line = fgets($handle);
if(trim($line) != 'yes'){
    echo "ABORTING!\n";
    exit;
}
echo "\n";
echo "Thank you, continuing...\n";

Output
Performance
VLD
References
Branches

trim: documentation ( source)
fgets: documentation ( source)
fopen: documentation ( source)

preferences:dark modelive preview

32.36 ms | 402 KiB | 5 Q