Entry 6296

PHP_wikipedia-Snippet

Submitted by Patte_Punk on Aug. 21, 2010 at 10:19 a.m.
Language: PHP. Code size: 227 bytes.

<?php
function lock()
{
    $file = fopen( 'file.txt', 'r+' );
    retry:
    if( !flock( $file, LOCK_EX ) ) 
    {
        goto retry;
    }
    fwrite( $file, 'Success!' );
    fclose( $file );
    return 0;
}
?>

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