| 1 | <?php
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| 2 | /*
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| 3 | Plugin Name: SimplePieCacheTester
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| 4 | Description: To test simplepipe cache
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| 5 | Author: arena
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| 6 | Version: 0
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| 7 | */
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| 8 | class SimplePieCacheTester
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| 9 | {
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| 10 | const feed_0 = 'http://wordpress.org/development/feed/';
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| 11 | const feed_1 = 'https://www.theverge.com/rss/index.xml';
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| 12 |
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| 13 | function __construct()
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| 14 | {
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| 15 | add_action( 'tool_box', array( $this, 'tool_box' ) );
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| 16 | }
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| 17 |
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| 18 | public function tool_box()
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| 19 | {
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| 20 | $this->out = array();
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| 21 |
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| 22 | // tests cannot be chained due to mysql ...
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| 23 |
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| 24 | // $this->test01();
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| 25 | // $this->test02();
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| 26 | // $this->test03();
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| 27 | $this->test04();
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| 28 |
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| 29 | echo '<pre>' . implode('<br />', $this->out ) . '</pre>';
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| 30 | }
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| 31 |
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| 32 | public function test01()
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| 33 | {
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| 34 | $this->out[] = '';
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| 35 | $this->out[] = '**************** TEST 01 ***********************';
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| 36 | $this->test = ' * 01 * ';
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| 37 |
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| 38 | $this->feed = self::feed_0;
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| 39 |
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| 40 | $this->out[] = $this->test . ' ** using fetch_feed with no filter and one feed as string : ' . $this->feed;
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| 41 |
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| 42 | $this->init_test();
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| 43 |
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| 44 | $feed = fetch_feed( $this->feed );
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| 45 |
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| 46 | $this->end_test( $feed );
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| 47 |
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| 48 | $this->out[] = '**************** END TEST 01 ***********************';
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| 49 | $this->out[] = '';
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| 50 | }
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| 51 |
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| 52 | public function test02()
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| 53 | {
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| 54 | $this->out[] = '';
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| 55 | $this->out[] = '**************** TEST 02 ***********************';
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| 56 | $this->test = ' * 02 * ';
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| 57 |
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| 58 | $this->feed = self::feed_0;
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| 59 | $this->lifetime = $this->get_lifetime();
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| 60 | $this->calls = 0;
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| 61 | add_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ), 10, 2 );
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| 62 |
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| 63 | $this->out[] = $this->test . ' ** using fetch_feed with filter (lifetime = ' . $this->lifetime . ') and one feed as string : ' . $this->feed;
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| 64 |
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| 65 | $this->init_test();
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| 66 |
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| 67 | $feed = fetch_feed( $this->feed );
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| 68 |
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| 69 | $this->end_test( $feed );
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| 70 |
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| 71 | remove_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ) );
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| 72 |
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| 73 | $this->out[] = '**************** END TEST 02 ***********************';
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| 74 | $this->out[] = '';
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| 75 | }
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| 76 |
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| 77 | public function test03()
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| 78 | {
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| 79 | $this->out[] = '';
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| 80 | $this->out[] = '**************** TEST 03 ***********************';
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| 81 | $this->test = ' * 03 * ';
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| 82 |
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| 83 | $this->feed = array( self::feed_0 );
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| 84 | $this->lifetime = $this->get_lifetime();
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| 85 | $this->calls = 0;
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| 86 | add_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ), 10, 2 );
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| 87 |
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| 88 | $this->out[] = $this->test . ' ** using fetch_feed with filter (lifetime = ' . $this->lifetime . ') and one feed as array : ' . json_encode( $this->feed );
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| 89 |
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| 90 | $this->init_test();
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| 91 |
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| 92 | $feed = fetch_feed( $this->feed );
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| 93 |
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| 94 | $this->end_test( $feed );
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| 95 |
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| 96 | remove_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ) );
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| 97 |
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| 98 | $this->out[] = '**************** END TEST 03 ***********************';
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| 99 | $this->out[] = '';
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| 100 | }
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| 101 |
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| 102 | public function test04()
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| 103 | {
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| 104 | $this->out[] = '';
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| 105 | $this->out[] = '**************** TEST 04 ***********************';
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| 106 | $this->test = ' * 04 * ';
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| 107 |
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| 108 | $this->feed = array( self::feed_0, self::feed_1 );
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| 109 | $this->lifetime = $this->get_lifetime();
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| 110 | $this->calls = 0;
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| 111 | add_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ), 10, 2 );
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| 112 |
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| 113 | $this->out[] = $this->test . ' ** using fetch_feed with filter (lifetime = ' . $this->lifetime . ') and two feeds as array : ' . json_encode( $this->feed );
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| 114 |
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| 115 | $this->init_test();
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| 116 |
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| 117 | $feed = fetch_feed( $this->feed );
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| 118 |
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| 119 | $this->end_test( $feed );
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| 120 |
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| 121 | remove_filter( 'wp_feed_cache_transient_lifetime', array( $this, 'wp_feed_cache_transient_lifetime' ) );
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| 122 |
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| 123 | $this->out[] = '**************** END TEST 04 ***********************';
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| 124 | $this->out[] = '';
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| 125 | }
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| 126 |
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| 127 | public function wp_feed_cache_transient_lifetime( $lifetime, $url )
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| 128 | {
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| 129 | $this->calls++;
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| 130 | $test = $this->test . '+++++ filter(' . $this->calls . ')';
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| 131 | $this->out[] = $test;
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| 132 | $u = ( is_array( $url ) ) ? json_encode( $url ) : $url;
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| 133 | $this->out[] = $test . ' beg >> lifetime >> ' . $lifetime;
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| 134 | $this->out[] = $test . ' beg >> 2nd arg >> ' . $u;
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| 135 |
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| 136 | if ( $url == $this->feed )
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| 137 | {
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| 138 | $this->out[] = $test . ' ++ filtered : should be 1st call (2nd func arg string or array)';
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| 139 | $lifetime = $this->lifetime;
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| 140 | }
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| 141 | elseif ( is_array( $this->feed ) )
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| 142 | {
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| 143 | $feedmd5 = array_map( 'md5', $this->feed );
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| 144 | if ( in_array( $url, $feedmd5 ) )
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| 145 | {
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| 146 | $lifetime = $this->lifetime;
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| 147 | if ( count( $this->feed ) == 1 )
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| 148 | $this->out[] = $test . ' ++ filtered : should be 2nd call and 2nd arg is one of array of one';
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| 149 | else
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| 150 | $this->out[] = $test . ' ++ filtered : should be 2nd call and 2nd arg is one of array of many';
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| 151 | }
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| 152 | }
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| 153 | elseif ( $url == md5( $this->feed ) )
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| 154 | {
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| 155 | $this->out[] = $test . ' ++ filtered : should be 2nd call and one feed as string';
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| 156 | $lifetime = $this->lifetime;
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| 157 | }
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| 158 |
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| 159 | $this->out[] = $test . ' end >> lifetime >> ' . $lifetime;
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| 160 | return $lifetime;
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| 161 | }
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| 162 |
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| 163 | public function init_test()
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| 164 | {
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| 165 | global $wpdb;
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| 166 | $wpdb->query( "DELETE FROM $wpdb->options where option_name like '_transient%feed%'" );
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| 167 | $this->out[] = $this->test . ' rows in wp_options where option_name like "_transient%feed%" : ' . $wpdb->get_var( "SELECT COUNT(*) as count FROM $wpdb->options where option_name like '_transient%feed%'" );
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| 168 | }
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| 169 |
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| 170 | public function end_test( $feed )
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| 171 | {
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| 172 | global $wpdb;
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| 173 | if ( is_wp_error( $feed ) )
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| 174 | {
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| 175 | $this->out[] = $this->test . $feed->get_error_message();
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| 176 | }
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| 177 | else
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| 178 | {
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| 179 | $i = 0;
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| 180 | do
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| 181 | {
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| 182 | $link = $feed->get_link( $i );
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| 183 | if ( $link ) $this->out[] = $this->test . ' >>> feed->get_link >>> ' . $link;
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| 184 | $i++;
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| 185 | } while( $link );
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| 186 | }
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| 187 | $rows = $wpdb->get_results( "SELECT * FROM $wpdb->options where option_name like '_transient%feed%'" );
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| 188 | $this->out[] = $this->test . ' rows in wp_options where option_name like "_transient%feed%" : ' . count($rows);
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| 189 |
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| 190 | if ( $rows )
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| 191 | {
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| 192 | $this->out[] .= $this->get_list( $rows );
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| 193 | }
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| 194 | }
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| 195 |
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| 196 | public function get_list( $rows )
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| 197 | {
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| 198 | $t = '<table>';
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| 199 | $cols = array( 'option_id', 'option_name', 'option_value' );
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| 200 | foreach( $rows as $row )
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| 201 | {
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| 202 | $t .= '<tr>';
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| 203 | foreach( $cols as $col )
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| 204 | {
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| 205 | $v = $row->$col;
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| 206 | if ( strlen( $v ) > 100 ) $v = substr( $v, 0, 99 );
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| 207 | $t .= "<td>$v</td>";
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| 208 | }
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| 209 | $t .= '</tr>';
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| 210 | }
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| 211 | $t .= '</table>';
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| 212 | return $this->test . '<br />' . $t;
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| 213 | }
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| 214 |
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| 215 | public function get_lifetime()
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| 216 | {
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| 217 | return 2000000000 - time();
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| 218 | }
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| 219 | }
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| 220 | new SimplePieCacheTester();
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