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Code Snippets / trunk
Code Snippets vtrunk
4.0.0-beta.2 3.10.2 3.10.1 3.10.0 3.10.0-beta.2 3.10.0-beta.1 4.0.0-beta.1 3.9.6 trunk 2.10.0 2.10.1 2.12.0 2.12.1 2.13.0 2.13.1 2.13.2 2.13.3 2.14.0 2.14.1 2.14.2 2.14.3 2.14.4 2.14.5 2.14.6 3.0.0 All 65 releases
← All changes | php/snippet-ops.php +154 -20 3.10.2 → trunk View file →
@@ -6,15 +6,14 @@
6 6 */
7 7
8 8 namespace Code_Snippets;
9 9
10 -use Code_Snippets\Core\DB;
11 -use Code_Snippets\Flat_Files\Snippet_Files;
12 10 use Exception;
13 11 use Code_Snippets\Model\Snippet;
14 12 use Code_Snippets\Utils\Validator;
15 13 use Throwable;
16 14 use function Code_Snippets\Utils\get_self_option;
15 +use function Code_Snippets\Utils\validate_network_param;
17 16 use function Code_Snippets\Utils\update_self_option;
18 17
19 18 /**
20 19 * Get the locked status for a snippet from wp_options.
@@ -24,9 +23,9 @@
24 23 *
25 24 * @return bool Whether the snippet is locked.
26 25 */
27 26 function is_snippet_locked( int $snippet_id, ?bool $network = null ): bool {
28 - $network = DB::validate_network_param( $network );
27 + $network = validate_network_param( $network );
29 28 $locked_snippets = get_self_option( $network, 'code_snippets_locked', [] );
30 29
31 30 return isset( $locked_snippets[ $snippet_id ] ) && $locked_snippets[ $snippet_id ];
32 31 }
@@ -40,9 +39,9 @@
40 39 *
41 40 * @return void
42 41 */
43 42 function set_snippet_locked( int $snippet_id, bool $locked, ?bool $network = null ): void {
44 - $network = DB::validate_network_param( $network );
43 + $network = validate_network_param( $network );
45 44 $locked_snippets = get_self_option( $network, 'code_snippets_locked', [] );
46 45
47 46 if ( $locked ) {
48 47 $locked_snippets[ $snippet_id ] = true;
@@ -64,9 +63,12 @@
64 63 function clean_active_snippets_cache( string $table_name, $scopes = false ) {
65 64 $scope_groups = $scopes
66 65 ? [ $scopes ]
67 66 : [
67 + // Content snippets.
68 68 [ 'head-content', 'body-content', 'footer-content' ],
69 +
70 + // Function snippets.
69 71 [ 'global', 'single-use', 'front-end' ],
70 72 [ 'global', 'single-use', 'admin' ],
71 73 ];
72 74
@@ -101,8 +103,24 @@
101 103 *
102 104 * @return bool Whether the group was flushed.
103 105 */
104 106 function flush_cache_group( string $group ): bool {
107 + /**
108 + * Short-circuits flushing a cache group.
109 + *
110 + * Returning a boolean skips the object cache entirely: false makes the
111 + * caller fall back to deleting the known keys one by one, for a cache
112 + * that reports group support it does not really have.
113 + *
114 + * @param bool|null $flushed Whether the group was flushed, or null to let the cache try.
115 + * @param string $group Cache group.
116 + */
117 + $flushed = apply_filters( 'code_snippets/pre_flush_cache_group', null, $group );
118 +
119 + if ( null !== $flushed ) {
120 + return (bool) $flushed;
121 + }
122 +
105 123 if ( ! function_exists( 'wp_cache_flush_group' ) ||
106 124 ! function_exists( 'wp_cache_supports' ) ||
107 125 ! wp_cache_supports( 'flush_group' ) ) {
108 126 return false;
@@ -107,9 +125,9 @@
107 125 ! wp_cache_supports( 'flush_group' ) ) {
108 126 return false;
109 127 }
110 128
111 - return (bool) wp_cache_flush_group( $group );
129 + return wp_cache_flush_group( $group );
112 130 }
113 131
114 132 /**
115 133 * Flush the cache groups belonging to other versions of the plugin.
@@ -128,12 +146,34 @@
128 146 // upgrading from 3.10.0 or 3.10.1 sheds the objects that would otherwise
129 147 // still be waiting to break its next rollback.
130 148 flush_cache_group( CACHE_GROUP_BASE );
131 149
132 - flush_cache_group( CACHE_GROUP );
150 + // Where the cache cannot flush a whole group, the keys this plugin writes
151 + // are deleted one by one instead, so an uninstall followed by a reinstall
152 + // of the same version cannot read snippets that no longer exist.
153 + if ( ! flush_cache_group( CACHE_GROUP ) ) {
154 + flush_known_cache_keys();
155 + }
133 156 }
134 157
135 158 /**
159 + * Delete every key this plugin is known to write in its current cache group.
160 + *
161 + * @return void
162 + */
163 +function flush_known_cache_keys(): void {
164 + // Both tables' keys go, whether this is a network: deleting a key
165 + // that was never written does not cost anything, and it keeps one path to test.
166 + $tables = [ code_snippets()->db->get_table_name( false ), code_snippets()->db->get_table_name( true ) ];
167 +
168 + foreach ( array_unique( $tables ) as $table ) {
169 + clean_snippets_cache( $table );
170 + }
171 +
172 + wp_cache_delete( Settings\CACHE_KEY, CACHE_GROUP );
173 +}
174 +
175 +/**
136 176 * Retrieve a list of snippets from the database.
137 177 * Read operation.
138 178 *
139 179 * @param array<string> $ids The IDs of the snippets to fetch.
@@ -151,9 +191,9 @@
151 191 if ( 1 === $ids_count ) {
152 192 return [ get_snippet( $ids[0], $network ) ];
153 193 }
154 194
155 - $network = DB::validate_network_param( $network );
195 + $network = validate_network_param( $network );
156 196 $table_name = code_snippets()->db->get_table_name( $network );
157 197
158 198 $snippets = wp_cache_get( "all_snippets_$table_name", CACHE_GROUP );
159 199
@@ -273,9 +313,9 @@
273 313 function get_snippet( int $id = 0, ?bool $network = null ): ?Snippet {
274 314 global $wpdb;
275 315
276 316 $id = absint( $id );
277 - $network = DB::validate_network_param( $network );
317 + $network = validate_network_param( $network );
278 318 $table_name = code_snippets()->db->get_table_name( $network );
279 319
280 320 if ( 0 === $id ) {
281 321 // If an invalid ID is provided, then return an empty snippet object.
@@ -384,9 +424,9 @@
384 424 * @since 2.0.0
385 425 */
386 426 function activate_snippet( int $id, ?bool $network = null ) {
387 427 global $wpdb;
388 - $network = DB::validate_network_param( $network );
428 + $network = validate_network_param( $network );
389 429 $table_name = code_snippets()->db->get_table_name( $network );
390 430
391 431 // Retrieve the snippet code from the database for validation before activating.
392 432 $snippet = get_snippet( $id, $network );
@@ -433,9 +473,9 @@
433 473 * @since 2.0.0
434 474 */
435 475 function activate_snippets( array $ids, ?bool $network = null ): ?array {
436 476 global $wpdb;
437 - $network = DB::validate_network_param( $network );
477 + $network = validate_network_param( $network );
438 478 $table_name = code_snippets()->db->get_table_name( $network );
439 479
440 480 $snippets = get_snippets( $ids, $network );
441 481
@@ -505,9 +545,9 @@
505 545 * @since 2.0.0
506 546 */
507 547 function deactivate_snippet( int $id, ?bool $network = null ): ?Snippet {
508 548 global $wpdb;
509 - $network = DB::validate_network_param( $network );
549 + $network = validate_network_param( $network );
510 550 $table = code_snippets()->db->get_table_name( $network );
511 551
512 552 // Set the snippet to inactive.
513 553 $result = $wpdb->update(
@@ -547,9 +587,9 @@
547 587 * @since 2.0.0
548 588 */
549 589 function delete_snippet( int $id, ?bool $network = null ): bool {
550 590 global $wpdb;
551 - $network = DB::validate_network_param( $network );
591 + $network = validate_network_param( $network );
552 592 $table = code_snippets()->db->get_table_name( $network );
553 593
554 594 $snippet = get_snippet( $id, $network );
555 595
@@ -591,9 +631,9 @@
591 631 * @since 3.8.0
592 632 */
593 633 function trash_snippet( int $id, ?bool $network = null ): bool {
594 634 global $wpdb;
595 - $network = DB::validate_network_param( $network );
635 + $network = validate_network_param( $network );
596 636 $table = code_snippets()->db->get_table_name( $network );
597 637
598 638 $snippet = get_snippet( $id, $network );
599 639
@@ -622,9 +662,9 @@
622 662 * @since 3.8.0
623 663 */
624 664 function restore_snippet( int $id, ?bool $network = null ): bool {
625 665 global $wpdb;
626 - $network = DB::validate_network_param( $network );
666 + $network = validate_network_param( $network );
627 667 $table = code_snippets()->db->get_table_name( $network );
628 668
629 669 $result = $wpdb->update( $table, [ 'active' => '0' ], [ 'id' => $id ], [ '%d' ] );
630 670
@@ -702,13 +742,12 @@
702 742
703 743 // Update the last modification date if necessary.
704 744 $snippet->update_modified();
705 745
746 + // Strip any wrapper markup that came along with the pasted code.
747 + $snippet->code = normalize_snippet_code( $snippet->code, $snippet->type );
748 +
706 749 if ( 'php' === $snippet->type ) {
707 - // Remove tags from beginning and end of snippet.
708 - $snippet->code = preg_replace( '|^\s*<\?(php)?|', '', $snippet->code );
709 - $snippet->code = preg_replace( '|\?>\s*$|', '', $snippet->code );
710 -
711 750 // Deactivate snippet if code contains errors.
712 751 if ( $snippet->active && 'single-use' !== $snippet->scope ) {
713 752 test_snippet_code( $snippet );
714 753
@@ -725,8 +764,13 @@
725 764
726 765 // Shared network snippets are always considered inactive.
727 766 $snippet->active = $snippet->active && ! $snippet->shared_network;
728 767
768 + // Snippet authorship: track who created and who last edited each snippet.
769 + // `created_by` is fixed at insert time; `updated_by` reflects every save.
770 + $current_user_id = get_current_user_id();
771 + $author_id = $current_user_id > 0 ? $current_user_id : null;
772 +
729 773 // Build the list of data to insert (excluding locked, which is stored in wp_options).
730 774 $data = [
731 775 'name' => $snippet->name,
732 776 'description' => $snippet->desc,
@@ -738,12 +782,14 @@
738 782 'active' => intval( $snippet->active ),
739 783 'modified' => $snippet->modified,
740 784 'revision' => $snippet->revision,
741 785 'cloud_id' => $snippet->cloud_id_owner ? $snippet->cloud_id_owner : null,
786 + 'updated_by' => $author_id,
742 787 ];
743 788
744 789 // Create a new snippet if the ID is not set.
745 790 if ( 0 === $snippet->id ) {
791 + $data['created_by'] = $author_id;
746 792 $result = $wpdb->insert( $table, $data, '%s' );
747 793 if ( false === $result ) {
748 794 return null;
749 795 }
@@ -789,8 +835,40 @@
789 835 return $updated;
790 836 }
791 837
792 838 /**
839 + * Resolve a user ID to a compact author object for display.
840 + *
841 + * Returns the user's ID, display name, and avatar URL, or null when the ID is
842 + * empty or the user no longer exists. Results are cached per request, so a list
843 + * of snippets sharing authors only triggers one lookup per distinct user.
844 + *
845 + * @param int $user_id User ID to resolve.
846 + *
847 + * @return array{id: int, display_name: string, avatar_url: string}|null
848 + */
849 +function get_snippet_author( int $user_id ): ?array {
850 + static $cache = [];
851 +
852 + if ( $user_id <= 0 ) {
853 + return null;
854 + }
855 +
856 + if ( ! array_key_exists( $user_id, $cache ) ) {
857 + $user = get_userdata( $user_id );
858 + $cache[ $user_id ] = $user ?
859 + [
860 + 'id' => $user_id,
861 + 'display_name' => $user->display_name,
862 + 'avatar_url' => (string) get_avatar_url( $user_id, [ 'size' => 32 ] ),
863 + ] :
864 + null;
865 + }
866 +
867 + return $cache[ $user_id ];
868 +}
869 +
870 +/**
793 871 * Execute a snippet.
794 872 * Execute operation.
795 873 *
796 874 * Code must NOT be escaped, as it will be executed directly.
@@ -844,9 +922,9 @@
844 922 */
845 923 function get_snippet_by_cloud_id( string $cloud_id, ?bool $multisite = null ): ?Snippet {
846 924 global $wpdb;
847 925
848 - $multisite = DB::validate_network_param( $multisite );
926 + $multisite = validate_network_param( $multisite );
849 927 $table_name = code_snippets()->db->get_table_name( $multisite );
850 928
851 929 $cached_snippets = wp_cache_get( "all_snippets_$table_name", CACHE_GROUP );
852 930
@@ -872,8 +950,64 @@
872 950 return apply_filters( 'code_snippets/get_snippet_by_cloud_id', $snippet, $cloud_id, $multisite );
873 951 }
874 952
875 953 /**
954 + * Remove the wrapper markup that a snippet's code does not need.
955 + *
956 + * Snippet code is stored bare: PHP is evaluated already inside PHP, and CSS and
957 + * JavaScript are wrapped in their own tags when printed. People increasingly
958 + * paste code generated by an AI assistant, which almost always arrives wrapped
959 + * in the tags for its language and sometimes in a markdown code fence as well.
960 + *
961 + * Leaving that markup in place fails differently depending on the type, and all
962 + * three ways are unhelpful. PHP raises a syntax error, so the snippet saves and
963 + * is then quietly deactivated. CSS and JavaScript have no syntax check at all,
964 + * so they save as active and emit doubled tags on the front end with nothing
965 + * reported anywhere.
966 + *
967 + * Only a wrapper around the whole snippet is removed. Tags appearing partway
968 + * through the code are left alone, since those are the author's own.
969 + *
970 + * @param string $code Snippet code as provided.
971 + * @param string $type Snippet type: php, css, js or html.
972 + *
973 + * @return string Code with any surrounding wrapper markup removed.
974 + */
975 +function normalize_snippet_code( string $code, string $type ): string {
976 + // A markdown fence around the whole snippet, as copied from a chat window.
977 + // The closing fence only goes when an opening one was there: on its own it
978 + // is the author's content, as in an HTML snippet ending in backticks.
979 + $code = preg_replace( '/\A\s*```[a-z]*[ \t]*\R/i', '', $code, 1, $fenced );
980 +
981 + if ( $fenced ) {
982 + $code = preg_replace( '/\R\s*```\s*\z/', '', $code );
983 + }
984 +
985 + switch ( $type ) {
986 + case 'php':
987 + // `php` is matched as a whole word so that `<?phpinfo()` is not
988 + // mistaken for an opening tag followed by `info()`.
989 + $code = preg_replace( '/\A\s*<\?(?:php\b)?/i', '', $code );
990 + $code = preg_replace( '/\?>\s*\z/', '', $code );
991 + break;
992 +
993 + case 'css':
994 + $code = preg_replace( '/\A\s*<style\b[^>]*>/i', '', $code );
995 + $code = preg_replace( '/<\/style\s*>\s*\z/i', '', $code );
996 + break;
997 +
998 + case 'js':
999 + $code = preg_replace( '/\A\s*<script\b[^>]*>/i', '', $code );
1000 + $code = preg_replace( '/<\/script\s*>\s*\z/i', '', $code );
1001 + break;
1002 + }
1003 +
1004 + // Drop the single line break left behind by an opening tag on its own line,
1005 + // so the stored code does not gain a blank first line each time.
1006 + return preg_replace( '/\A\R/', '', $code );
1007 +}
1008 +
1009 +/**
876 1010 * Update a snippet entry given a list of fields.
877 1011 * Write operation.
878 1012 *
879 1013 * @param int $snippet_id ID of the snippet to update.
@@ -882,9 +1016,9 @@
882 1016 */
883 1017 function update_snippet_fields( int $snippet_id, array $fields, ?bool $network = null ) {
884 1018 global $wpdb;
885 1019
886 - $network = DB::validate_network_param( $network );
1020 + $network = validate_network_param( $network );
887 1021 $table = code_snippets()->db->get_table_name( $network );
888 1022
889 1023 // Build a new snippet object for the validation.
890 1024 $snippet = new Snippet();