diff options
Diffstat (limited to 'system/helpers')
-rw-r--r-- | system/helpers/array_helper.php | 36 | ||||
-rw-r--r-- | system/helpers/captcha_helper.php | 133 | ||||
-rw-r--r-- | system/helpers/cookie_helper.php | 21 |
3 files changed, 56 insertions, 134 deletions
diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php index c46c4d103..45eaa4c10 100644 --- a/system/helpers/array_helper.php +++ b/system/helpers/array_helper.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Array Helpers * @@ -55,12 +53,7 @@ if ( ! function_exists('element')) { function element($item, $array, $default = FALSE) { - if ( ! isset($array[$item]) OR $array[$item] == "") - { - return $default; - } - - return $array[$item]; + return ( ! isset($array[$item]) OR $array[$item] == '') ? $default : $array[$item]; } } @@ -77,12 +70,7 @@ if ( ! function_exists('random_element')) { function random_element($array) { - if ( ! is_array($array)) - { - return $array; - } - - return $array[array_rand($array)]; + return is_array($array) ? $array[array_rand($array)] : $array; } } @@ -105,22 +93,14 @@ if ( ! function_exists('elements')) function elements($items, $array, $default = FALSE) { $return = array(); - if ( ! is_array($items)) { $items = array($items); } - + foreach ($items as $item) { - if (isset($array[$item])) - { - $return[$item] = $array[$item]; - } - else - { - $return[$item] = $default; - } + $return[$item] = isset($array[$item]) ? $array[$item] : $default; } return $return; @@ -128,4 +108,4 @@ if ( ! function_exists('elements')) } /* End of file array_helper.php */ -/* Location: ./system/helpers/array_helper.php */
\ No newline at end of file +/* Location: ./system/helpers/array_helper.php */ diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 4a48df27e..865a6754d 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -1,4 +1,4 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter CAPTCHA Helper * @@ -57,12 +55,9 @@ if ( ! function_exists('create_captcha')) foreach ($defaults as $key => $val) { - if ( ! is_array($data)) + if ( ! is_array($data) && ( ! isset($$key) OR $$key == '')) { - if ( ! isset($$key) OR $$key == '') - { - $$key = $val; - } + $$key = $val; } else { @@ -70,22 +65,9 @@ if ( ! function_exists('create_captcha')) } } - if ($img_path == '' OR $img_url == '') - { - return FALSE; - } - - if ( ! @is_dir($img_path)) - { - return FALSE; - } - - if ( ! is_writable($img_path)) - { - return FALSE; - } - - if ( ! extension_loaded('gd')) + if ($img_path == '' OR $img_url == '' + OR ! @is_dir($img_path) OR ! is_writeable($img_path) + OR ! extension_loaded('gd')) { return FALSE; } @@ -97,17 +79,12 @@ if ( ! function_exists('create_captcha')) $now = microtime(TRUE); $current_dir = @opendir($img_path); - while ($filename = @readdir($current_dir)) { - if ($filename != '.' && $filename != '..' && $filename != 'index.html') + if ($filename !== '.' && $filename !== '..' && $filename !== 'index.html' + && (str_replace('.jpg', '', $filename) + $expiration) < $now) { - $name = str_replace('.jpg', '', $filename); - - if (($name + $expiration) < $now) - { - @unlink($img_path.$filename); - } + @unlink($img_path.$filename); } } @@ -117,141 +94,115 @@ if ( ! function_exists('create_captcha')) // Do we have a "word" yet? // ----------------------------------- - if ($word == '') - { + if ($word == '') + { $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; - - $str = ''; - for ($i = 0; $i < 8; $i++) + $word = ''; + for ($i = 0, $mt_rand_max = strlen($pool) - 1; $i < 8; $i++) { - $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); + $word .= $pool[mt_rand(0, $mt_rand_max)]; } - $word = $str; - } + } // ----------------------------------- // Determine angle and position // ----------------------------------- - $length = strlen($word); $angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0; $x_axis = rand(6, (360/$length)-16); - $y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height); + $y_axis = ($angle >= 0) ? rand($img_height, $img_width) : rand(6, $img_height); - // ----------------------------------- // Create image - // ----------------------------------- - // PHP.net recommends imagecreatetruecolor(), but it isn't always available - if (function_exists('imagecreatetruecolor')) - { - $im = imagecreatetruecolor($img_width, $img_height); - } - else - { - $im = imagecreate($img_width, $img_height); - } + $im = function_exists('imagecreatetruecolor') + ? imagecreatetruecolor($img_width, $img_height) + : imagecreate($img_width, $img_height); // ----------------------------------- // Assign colors // ----------------------------------- - $bg_color = imagecolorallocate ($im, 255, 255, 255); $border_color = imagecolorallocate ($im, 153, 102, 102); $text_color = imagecolorallocate ($im, 204, 153, 153); $grid_color = imagecolorallocate($im, 255, 182, 182); $shadow_color = imagecolorallocate($im, 255, 240, 240); - // ----------------------------------- // Create the rectangle - // ----------------------------------- - ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color); // ----------------------------------- // Create the spiral pattern // ----------------------------------- - $theta = 1; $thetac = 7; $radius = 16; $circles = 20; $points = 32; - for ($i = 0; $i < ($circles * $points) - 1; $i++) + for ($i = 0, $cp = $circles * $points; $i < $cp - 1; $i++) { - $theta = $theta + $thetac; - $rad = $radius * ($i / $points ); + $theta += $thetac; + $rad = $radius * ($i / $points); $x = ($rad * cos($theta)) + $x_axis; $y = ($rad * sin($theta)) + $y_axis; - $theta = $theta + $thetac; + $theta += $thetac; $rad1 = $radius * (($i + 1) / $points); $x1 = ($rad1 * cos($theta)) + $x_axis; - $y1 = ($rad1 * sin($theta )) + $y_axis; + $y1 = ($rad1 * sin($theta)) + $y_axis; imageline($im, $x, $y, $x1, $y1, $grid_color); - $theta = $theta - $thetac; + $theta -= $thetac; } // ----------------------------------- // Write the text // ----------------------------------- - $use_font = ($font_path != '' && file_exists($font_path) && function_exists('imagettftext')) ? TRUE : FALSE; - - if ($use_font == FALSE) + $use_font = ($font_path != '' && file_exists($font_path) && function_exists('imagettftext')); + if ($use_font === FALSE) { $font_size = 5; - $x = rand(0, $img_width/($length/3)); + $x = rand(0, $img_width / ($length / 3)); $y = 0; } else { - $font_size = 16; - $x = rand(0, $img_width/($length/1.5)); - $y = $font_size+2; + $font_size = 16; + $x = rand(0, $img_width / ($length / 1.5)); + $y = $font_size + 2; } - for ($i = 0; $i < strlen($word); $i++) + for ($i = 0; $i < $length; $i++) { - if ($use_font == FALSE) + if ($use_font === FALSE) { - $y = rand(0 , $img_height/2); - imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color); - $x += ($font_size*2); + $y = rand(0 , $img_height / 2); + imagestring($im, $font_size, $x, $y, $word[$i], $text_color); + $x += ($font_size * 2); } else { - $y = rand($img_height/2, $img_height-3); - imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1)); + $y = rand($img_height / 2, $img_height - 3); + imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, $word[$i]); $x += $font_size; } } - // ----------------------------------- - // Create the border - // ----------------------------------- - - imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color); + // Create the border + imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $border_color); // ----------------------------------- // Generate the image // ----------------------------------- - $img_name = $now.'.jpg'; - ImageJPEG($im, $img_path.$img_name); - - $img = "<img src=\"$img_url$img_name\" width=\"$img_width\" height=\"$img_height\" style=\"border:0;\" alt=\" \" />"; - + $img = '<img src="'.$img_url.$img_name.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />'; ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img); } } -// ------------------------------------------------------------------------ - /* End of file captcha_helper.php */ -/* Location: ./system/helpers/captcha_helper.php */
\ No newline at end of file +/* Location: ./system/helpers/captcha_helper.php */ diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php index 7b439c47f..af2e1df80 100644 --- a/system/helpers/cookie_helper.php +++ b/system/helpers/cookie_helper.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Cookie Helpers * @@ -79,13 +77,7 @@ if ( ! function_exists('get_cookie')) function get_cookie($index = '', $xss_clean = FALSE) { $CI =& get_instance(); - - $prefix = ''; - - if ( ! isset($_COOKIE[$index]) && config_item('cookie_prefix') != '') - { - $prefix = config_item('cookie_prefix'); - } + $prefix = (isset($_COOKIE[$index])) ? '' : config_item('cookie_prefix'); return $CI->input->cookie($prefix.$index, $xss_clean); } @@ -97,7 +89,7 @@ if ( ! function_exists('get_cookie')) * Delete a COOKIE * * @param mixed - * @param string the cookie domain. Usually: .yourdomain.com + * @param string the cookie domain. Usually: .yourdomain.com * @param string the cookie path * @param string the cookie prefix * @return void @@ -110,6 +102,5 @@ if ( ! function_exists('delete_cookie')) } } - /* End of file cookie_helper.php */ -/* Location: ./system/helpers/cookie_helper.php */
\ No newline at end of file +/* Location: ./system/helpers/cookie_helper.php */ |