• Nov 19, 2022 •CodeCatch
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<?php $im = imagecreatefrompng('example.png'); $size = min(imagesx($im), imagesy($im)); $im2 = imagecrop($im, ['x' => 0, 'y' => 0, 'width' => $size, 'height' => $size]); if ($im2 !== FALSE) { imagepng($im2, 'example-cropped.png'); imagedestroy($im2); } imagedestroy($im); ?>
• Nov 18, 2022 •AustinLeath
<?php function uniqidReal($length = 8) { // uniqid gives 8 chars, can be changed if (function_exists("random_bytes")) { $bytes = random_bytes(ceil($length / 2)); } elseif (function_exists("openssl_random_pseudo_bytes")) { $bytes = openssl_random_pseudo_bytes(ceil($length / 2)); } else { throw new Exception("no cryptographically secure random function available"); } return substr(bin2hex($bytes), 0, $length); } /* //for testing for($i = 0; $i < 10; $i++) { echo "<br>"; echo uniqidReal(); } */ ?>
<?php session_start(); if(isset($_POST['search-submit'])) { $currentFilter; if(isset($_POST['search-filter']) && $_POST['search-filter'] == "search-all") { $currentFilter = "All"; } else if(isset($_POST['search-filter']) && $_POST['search-filter'] == "search-by-title") { $currentFilter = "Title"; } else if(isset($_POST['search-filter']) && $_POST['search-filter'] == "search-by-language") { $currentFilter = "Language"; } else { $currentFilter = "Username"; } } if(isset($_POST['search-submit']) && $_POST['search'] !== "") { require_once 'includes/config.php'; $searchQuery = '%' . htmlspecialchars($_POST['search']) . '%'; $statement; if(htmlspecialchars($_POST['search-filter']) == "search-all") { $statement = $conn->prepare("SELECT * FROM user_posts WHERE privacy = 0 AND title LIKE ? OR username LIKE ? OR language LIKE ?"); $statement->bind_param("sss", $searchQuery, $searchQuery, $searchQuery); } else if(htmlspecialchars($_POST['search-filter']) == "search-by-title") { $statement = $conn->prepare("SELECT * FROM user_posts WHERE privacy = 0 AND title LIKE ?"); $statement->bind_param("s", $searchQuery); } else if(htmlspecialchars($_POST['search-filter']) == "search-by-language") { $statement = $conn->prepare("SELECT * FROM user_posts WHERE privacy = 0 AND language LIKE ?"); $statement->bind_param("s", $searchQuery); } else { $statement = $conn->prepare("SELECT * FROM user_posts WHERE privacy = 0 AND username LIKE ?"); $statement->bind_param("s", $searchQuery); } $statement->execute(); $result = $statement->get_result(); } ?> <?php if(isset($_POST['search-submit']) && $_POST['search'] !== "") { if($result->num_rows > 0) { $i = 1; echo '<ul class="list-group mt-5">'; while($row = $result->fetch_assoc()) { $linkName = "post.php?postID=" . $row['postID']; $privacy = ($row['privacy'] == 0) ? "Public" : "Private"; if($privacy == "Public" || ($privacy == "Private" && (isset($_SESSION['username']) && ($row['username'] == $_SESSION["username"])))) { echo ' <a class="post-box-link" href="' . $linkName . '"> <li class="list-group-item mb-2 border rounded post-box"> <h4><span style="color: #007bff;">' . $row['title'] . '</span> | ' . $row['language'] . '</h4> <h5>' . $row['username'] . ' - ' . '<small>' . $row['uploadDate'] . '</small></h5> </li> </a> '; $i++; } } echo '</ul>'; } } ?>
<?php $json ='{"id":1,"name":"foo","interest":["wordpress","php"]}'; $obj=json_decode($json); echo $obj->interest[1]; //prints php ?>
<?php //generate 239 rgba colors for codecatch's 239 supported programming languages! //this was used to generate the colors that are used in the pie chart on https://codecatch.net/graphs.php function rgbagenerator() { $count = 239; for ($i=0; $i < $count; $i++) { echo "'rgba(". mt_rand(0,255) . ",". mt_rand(0,255) . ",". mt_rand(0,255) . ",1)',"; echo "<br>"; } } rgbagenerator(); ?>
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<?php $listOfFiles = glob("*.{jpg,png,gif,tiff,jpeg}", GLOB_BRACE); echo 'images = []; '; for($x = 0; $x <= count($listOfFiles)-1; $x++) { echo "images[" . $x . "] =" . '"' . $listOfFiles[$x] . '"' . "; "; } ?>