Submission #162929

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Source Code Expand

<?php

/* debug */
$debug = 0;

/* first module start (setup $input) */
if(isset($debug) && $debug) 
{
    $input=<<<EOF
asfeijla
EOF;
} else 
{
    $input = file_get_contents('php://stdin');
}

echo (preg_match("/^a$/", $input) ? "-1" : 'a').PHP_EOL;
exit;

/*
 *---------------------------------------------------------------
 * funcs
 *---------------------------------------------------------------
 */

/**
 * 0 only debug output
 */

function unset_multi(array $arr, array $unset_keys, $rename_key = FALSE)
{
    foreach ($unset_keys as $key)
    {
        unset($arr[$key]);
    }
    if ($rename_key)
        $arr = array_values($arr);
    return $arr;
}

function partition_word ($line) 
{
    return explode(" ", $line);
}

function partition_line ($text) 
{
    $text = gather_linereturn ($text);
    return explode("\n", $text);
}

function partition_word_all($text) 
{
    $lines = partition_line($text);
    $values = array();
    foreach ($lines as $line) 
    {
        $values[] = partition_word($line);
    }
    return $values;
}

function gather_linereturn($str) 
{
    return str_replace(array("\r\n", "\r"), "\n", $str);
}

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