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 '
'; wp_nonce_field( 'zn_map' ); echo '' . $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 URLKitni baarKya 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 ''; }

Physics MCQs for Entry test with answers pdf download

 I have uploaded here the best MCQs of physics for entry test preparation. These MCQs have been taken from all chapters of Physics of class 11 and class 12. 1st year and 2nd year physics chapter wise MCQs download in pdf for Entry test like MDCAT, NUMS, MCAT, ECAT, NUST, and UET tests.

Physics MCQs for Entry test PDF Download

This pdf file contains all chapters MCQs from Physics books of 1st year and 2nd year so that students may prepare for their entry tests for engineering and medical fields. These notes can be used for MDCAT, ECAT, MCAT, NUST, and NUMS entry tests. These are equally important for UET Entry Test.
Also Download: 
3. KIPS chapterwise Maths MCQs for Entry Test

STARS Academy Physics MCQs book for Entry test pdf

This book has been prepared and published by Stars Academy Lahore. The book contains all important Physics MCQs for Entry Test. Now you should know that this book is credited by STARS academy. 
These notes are very important and these are considered the best and up to date mcqs for All entry tests and also good for PPSC Physics lecturership job. These may be used for NTS job tests.
You should see the following posts:

Physics MCQs for Entry test with answers

I have given the download button below the image of the file. This is pdf book and you can download it free. Just click on the download button that is given below the image and the file will open in a new tab. You will open the file and from that you can download it in pdf free.
The students who want o attempt ECAT instead of MDCAT, has quiet similar syllabus except for the portion of Mathematics MCQs. But English portion is the same in both type of tests. So English is very important subjects for both MDCAT and ECAT Tests.
physics mcqs for entry test pdf
You may also like the following related post being helpful in your Entry test:
2. Medical Entry test preparation tips at home

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