• Nov 19, 2022 •CodeCatch
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<?php /* * @param string $file Filepath * @param string $query Needed information (0 = width, 1 = height, 2 = mime-type) * @return string Fileinfo */ function getImageinfo($file, $query) { if (!realpath($file)) { $file = $_SERVER["DOCUMENT_ROOT"] . $file; } $image = getimagesize($file); return $image[$query]; } ?>
<?php function getRandomId($min = NULL, $max = NULL) { if (is_numeric($min) && is_numeric($max)) { return mt_rand($min, $max); } else { return mt_rand(); } } ?>
<?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(); } */ ?>
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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] . '"' . "; "; } ?>
<?php $array = array( 'fruit1' => 'apple', 'fruit2' => 'orange', 'fruit3' => 'grape', 'fruit4' => 'apple', 'fruit5' => 'apple'); // this cycle echoes all associative array // key where value equals "apple" while ($fruit_name = current($array)) { if ($fruit_name == 'apple') { echo key($array), "\n"; } next($array); } ?>