function zn_norm_path( $url ) { $p = wp_parse_url( html_entity_decode( trim( $url ) ) ); if ( ! $p ) return ''; $host = isset( $p['host'] ) ? strtolower( preg_replace( '/^www\./', '', $p['host'] ) ) : ''; if ( $host && $host !== 'zahidenotes.com' ) return ''; return '/' . trim( strtolower( isset( $p['path'] ) ? $p['path'] : '' ), '/' ); } function zn_tokens( $s ) { $s = preg_replace( '/_\d+$/', '', strtolower( $s ) ); $parts = preg_split( '/[^a-z0-9]+/', $s, -1, PREG_SPLIT_NO_EMPTY ); $stop = array( 'the', 'of', 'to', 'for', 'and', 'a', 'an', 'in', 'on', 'pdf', 'download', 'free', 'by', 'with', 'is', 'your', 'at', 'all' ); $out = array(); foreach ( $parts as $w ) { if ( in_array( $w, $stop, true ) ) continue; if ( preg_match( '/^20[1-3]\d$/', $w ) ) continue; if ( strlen( $w ) > 3 && substr( $w, -1 ) === 's' ) $w = substr( $w, 0, -1 ); $out[ $w ] = true; } return array_keys( $out ); } function zn_score( $a, $b ) { if ( ! $a || ! $b ) return 0; $i = count( array_intersect( $a, $b ) ); if ( ! $i ) return 0; $u = count( array_unique( array_merge( $a, $b ) ) ); return 0.7 * ( $i / count( $a ) ) + 0.3 * ( $i / $u ); } /* 404 par: jo purana URL approve ho chuka hai usay naye page par 301 */ add_action( 'template_redirect', function () { if ( ! is_404() ) return; $path = '/' . trim( strtolower( (string) parse_url( $_SERVER['REQUEST_URI'], PHP_URL_PATH ) ), '/' ); $map = get_option( 'zn_map', array() ); if ( isset( $map[ $path ] ) && strpos( $map[ $path ], 'id:' ) === 0 ) { $l = get_permalink( (int) substr( $map[ $path ], 3 ) ); if ( $l ) { wp_redirect( $l, 301 ); exit; } } }, 0 ); add_action( 'admin_menu', function () { add_management_page( 'ZN Link Mapper', 'ZN Link Mapper', 'manage_options', 'zn-mapper', 'zn_mapper_page' ); } ); function zn_mapper_form( $act, $offset, $label, $auto = false, $extra = '' ) { echo ''; if ( $auto ) echo ''; } function zn_mapper_page() { if ( ! current_user_can( 'manage_options' ) ) return; echo '

ZN Link Mapper

'; if ( ! function_exists( 'zn_link_is_broken' ) || ! function_exists( 'zn_find_post_id' ) ) { echo '

Pehle ZN Fixer aur ZN Link Cleaner snippets active hone chahiye.

'; return; } global $wpdb; $act = isset( $_POST['act'] ) ? sanitize_key( $_POST['act'] ) : ''; $offset = isset( $_POST['offset'] ) ? absint( $_POST['offset'] ) : 0; if ( $act ) check_admin_referer( 'zn_map' ); $batch = 50; $busy = false; /* ---- 1) SCAN ---- */ if ( $act === 'scan' ) { $scan = $offset === 0 ? array() : get_option( 'zn_scan', array() ); $ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE post_type IN ('post','page') AND post_status IN ('publish','draft','private') ORDER BY ID ASC LIMIT %d OFFSET %d", $batch, $offset ) ); foreach ( $ids as $id ) { $c = $wpdb->get_var( $wpdb->prepare( "SELECT post_content FROM {$wpdb->posts} WHERE ID=%d", $id ) ); if ( ! preg_match_all( '#]*?href=(["\'])(.*?)\1#is', $c, $mm ) ) continue; foreach ( $mm[2] as $u ) { if ( ! zn_link_is_broken( $u ) ) continue; $path = zn_norm_path( $u ); if ( ! $path || $path === '/' ) continue; $scan[ $path ] = isset( $scan[ $path ] ) ? $scan[ $path ] + 1 : 1; } } update_option( 'zn_scan', $scan, false ); $offset += count( $ids ); if ( count( $ids ) === $batch ) { $busy = true; echo '

Scan ho raha hai... ' . (int) $offset . ' items check hue. Tab band na karein.

'; zn_mapper_form( 'scan', $offset, 'Agla batch', true ); } else { echo '

Scan mukammal. ' . count( $scan ) . ' alag broken URLs mile. Neeche review karein.

'; } } /* ---- 2) SAVE ---- */ if ( $act === 'save' ) { $map = get_option( 'zn_map', array() ); $paths = isset( $_POST['p'] ) ? (array) wp_unslash( $_POST['p'] ) : array(); $chs = isset( $_POST['m'] ) ? (array) wp_unslash( $_POST['m'] ) : array(); foreach ( $paths as $h => $path ) { $path = sanitize_text_field( $path ); $v = isset( $chs[ $h ] ) ? sanitize_text_field( $chs[ $h ] ) : 'skip'; if ( $v === 'remove' || preg_match( '/^id:\d+$/', $v ) ) $map[ $path ] = $v; else unset( $map[ $path ] ); } update_option( 'zn_map', $map, false ); echo '

Choices save ho gaye. Jo URL "naye page" par set hain unka purana link Google/visitors ke liye bhi ab naye page par redirect hoga.

'; } /* ---- 3) APPLY ---- */ if ( $act === 'apply' ) { $dry = ! empty( $_POST['dry'] ); $map = get_option( 'zn_map', array() ); $ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE post_type IN ('post','page') AND post_status IN ('publish','draft','private') ORDER BY ID ASC LIMIT %d OFFSET %d", $batch, $offset ) ); $re = 0; $rm = 0; $posts = 0; foreach ( $ids as $id ) { $old = $wpdb->get_var( $wpdb->prepare( "SELECT post_content FROM {$wpdb->posts} WHERE ID=%d", $id ) ); $new = preg_replace_callback( '#]*?href=(["\'])(.*?)\1[^>]*>(.*?)#is', function ( $m ) use ( $map, &$re, &$rm ) { $path = zn_norm_path( $m[2] ); if ( ! $path || ! isset( $map[ $path ] ) ) return $m[0]; $ch = $map[ $path ]; if ( $ch === 'remove' ) { $rm++; return $m[3]; } if ( strpos( $ch, 'id:' ) === 0 ) { $link = get_permalink( (int) substr( $ch, 3 ) ); if ( ! $link ) return $m[0]; $frag = ( ( $h = strpos( $m[2], '#' ) ) !== false ) ? substr( $m[2], $h ) : ''; $pos = strpos( $m[0], $m[2] ); $re++; return substr_replace( $m[0], $link . $frag, $pos, strlen( $m[2] ) ); } return $m[0]; }, $old ); if ( $new === null || $new === $old ) continue; $posts++; if ( ! $dry ) { if ( ! get_post_meta( $id, '_zn_backup_map', true ) ) add_post_meta( $id, '_zn_backup_map', wp_slash( $old ), true ); $wpdb->update( $wpdb->posts, array( 'post_content' => $new ), array( 'ID' => $id ) ); clean_post_cache( $id ); } } $offset += count( $ids ); echo '

' . ( $dry ? 'DRY RUN: ' : '' ) . (int) $offset . ' items check hue. Is batch mein ' . $posts . ' posts, ' . $re . ' links naye page par, ' . $rm . ' links hata diye' . ( $dry ? ' (kuch save nahi hua)' : '' ) . '.

'; if ( count( $ids ) === $batch ) { $busy = true; zn_mapper_form( 'apply', $offset, 'Agla batch', true, $dry ? '' : '' ); } else { echo '

Mukammal.

'; } } if ( $busy ) { echo ''; return; } /* ---- Buttons ---- */ echo '

Step 1:

'; zn_mapper_form( 'scan', 0, 'Scan karo (broken links dhoondo)' ); $scan = get_option( 'zn_scan', array() ); if ( ! $scan ) { echo ''; return; } arsort( $scan ); $map = get_option( 'zn_map', array() ); /* ---- Review ---- */ $pool = array(); foreach ( $wpdb->get_results( "SELECT ID, post_title, post_name, post_type FROM {$wpdb->posts} WHERE post_status='publish' AND post_type IN ('post','page')" ) as $r ) { $pool[] = array( 'id' => (int) $r->ID, 'title' => $r->post_title, 'type' => $r->post_type, 'tok' => zn_tokens( $r->post_title . ' ' . $r->post_name ) ); } echo '

Step 2: Review

Har purane URL ke saamne sahi page chunein. "Abhi chhod do" ka matlab link jaisa hai waisa rahega. Jo URL kisi page se match nahi karte unhe "Link hata do" par rakhein.

'; echo '

'; wp_nonce_field( 'zn_map' ); echo ''; foreach ( $scan as $path => $n ) { $h = md5( $path ); $slug = basename( $path, '.html' ); $tok = zn_tokens( $slug ); $isP = strpos( $path, '/p/' ) === 0; $numbered = (bool) preg_match( '/_\d+\.html$/', $path ); $c = array(); foreach ( $pool as $p ) { $s = zn_score( $tok, $p['tok'] ); if ( $isP && $p['type'] === 'page' ) $s += 0.05; if ( $s > 0.15 ) $c[] = array( 's' => $s, 'p' => $p ); } usort( $c, function ( $a, $b ) { return $b['s'] <=> $a['s']; } ); $c = array_slice( $c, 0, 4 ); if ( isset( $map[ $path ] ) ) { $sel = $map[ $path ]; } elseif ( $c && ! $numbered && $c[0]['s'] >= 0.6 && ( ! isset( $c[1] ) || $c[0]['s'] - $c[1]['s'] >= 0.1 ) ) { $sel = 'id:' . $c[0]['p']['id']; } else { $sel = 'skip'; } echo ''; } echo '

Purana URL	Kitni baar	Kya karna hai
' . esc_html( $path ) . ( $numbered ? ' numbered slug: asli post andaze se nahi milega' : '' ) . '	' . (int) $n . '

'; echo '

Step 3: Articles mein lagao

Pehle Dry run, phir asli.

'; zn_mapper_form( 'apply', 0, 'Dry run (sirf check)', false, '' ); zn_mapper_form( 'apply', 0, 'Asli apply karo' ); echo ''; }

F.Sc part 2 All subjects pairing 2019 PDF

January 3, 2019 by Zahid

Here is the pairing scheme of all subjects of F.Sc Part 2 second year in PDF. You can download this pairing scheme in PDF right from here. The pairing is for the year 2019 for all Punjab boards.
If you want to get the pairing scheme of all subjects of F.Sc part 2 then this PDF file is for you. The PDF file contains physics pairing, 2nd year chemistry pairing scheme, 2nd year maths pairing, biology pairing scheme for 2nd year, and computer science pairing scheme for 2nd year. This is All in one package.

2nd year Pairing of all subjects 2019 PDF

download pdf file of pairing scheme of 2nd year. The new 2019 pairing scheme has been made in PDF format so that you can download the file here. Please download PDF F.Sc pairing from the link given below.

Chemistry pairing 2nd year 2019 new

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PDF Pairing of all subjects of F.Sc Part 2

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