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<?php

/*
 * Signature:   empty(mixed $var)
 * Description: A language construct to check if a *variable* is empty. 
 */

// The following variables are considered empty:

// * false

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i=1

for f in *.png; do
    mv "$f" "draft_$((i++)).png"
done

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<?php 

function bisect($haystack, $needle, $trace = false)
{
    $min   = 0;
    $max   = count($haystack);
    $match = false;

    do {

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<?php 

function generateRandomString($length = 8)
{
    if (0 >= $length || !is_int($length)) {
        $msg = sprintf('Exception! "%s()" only accepts positive integer values of 1 or more', __FUNCTION__);
        throw new UnexpectedValueException($msg);
    }

    $ascii = array_merge(

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/**
 * Flatten array
 * 
 * Iterate over array elements.
 * Recurse into sub arrays.
 */

function flatten(a, f) {
      
    var f = f || []; // init result array

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#!/bin/bash

#
# First, create a test file with the three 
# different line ending types LF, CR & CRLF
#

echo -en 'unix!\nclassic mac!\rdos!\r\n' > orig.txt

exit $?

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<?php

// for maximum sanity
// during development

error_reporting(E_ALL|E_STRICT);
ini_set('display_errors', true);

// always remember to remove it
// it before put your code live :)

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#!/bin/bash

#
# helper function
#

function exit_with_msg() { echo "Error! $1. Exiting script."; exit 1; }

#
# hi :)

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export PS1="[\e[0;36m\u@osx\e[m:\e[0;33m\w\e[m]\$ "

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<?php

// omitted namespace declaration and imports for brevity

class HomeController extends Controller
{
    /**
     * Home page
     *
     * @Route("/", name="home_index")