Vos Fonctions ou astuces

<?php
if ($a < $b && $b > $c){
// ....
}

<?php
if(file_exists($f) && realpath(dirname($f)) == realpath('includes'))
?>

<?php
function isPathValid($path)
{
    if(strpos($path, '../') !== false)
        return false;

    return is_dir($path);
}
?>

<?php
include("debut.php");
echo 'bonjour, je ne suis que le contenu de la page proprement dites !';
include("fin.php");

<?php
function isPathValid($path)
{
    return (strpos($path, '../') === false) AND is_dir($path);
}
?>

<?php

function f($p) {
    return is_bool(strpos($p, '../')) && is_dir($p);
}

?>

<?php
print_r ( array_map ( create_function ( '$chaine',
                                        'return str_replace(\'machin\', \'chose\', $chaine);' ),
                                        $tableauDeChaines ) );
?>

<?php 
$baseInclude = realpath('protected/php'); //répertoire d'inclusion de base
$pageInclude = realpath(dirname('protected/php/'.$page.'.php')); //ce qu'on veut inclure

if(strpos($pageInclude, $baseInclude) !== FALSE)
    echo 'Ok pour inclure';
else 
   echo 'Tentative de hack';
?>

<?php
	function SentenceShuffler($string){
		$string = strtolower($string);
		$NuString = explode(" ", $string);
		$NuString = shuffle($NuString);
		
		$NuSentence = '';
		
		foreach($NuString as $ShuffledStr){
			$NuSentence .= $ShuffledStr;
		}
		
		return ucfirst($NuSentence);
	}
?>

<?php
	function SentenceShuffler($string){
		$string = strtolower($string);
		$NuString = explode(" ", $string);
		$NuString = shuffle($NuString);
		
		$NuSentence = implode($NuString);
		
		return ucfirst($NuSentence);
	}
?>

<?php
function SentenceShuffler($string)
{
	$words = explode(' ', strtolower($string));
	shuffle($words);
	return ucfirst(implode(' ', $words));
}