Delete 'functions-options.php'
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<?php
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/*
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* Functions to deal with the option API
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*
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*/
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/**
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* Read an option from DB (or from cache if available). Return value or $default if not found
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*
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* Pretty much stolen from WordPress
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*
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* @since 1.4
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* @param string $option_name Option name. Expected to not be SQL-escaped.
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* @param mixed $default Optional value to return if option doesn't exist. Default false.
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* @return mixed Value set for the option.
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*/
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function yourls_get_option( $option_name, $default = false ) {
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// Allow plugins to short-circuit options
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$pre = yourls_apply_filter( 'shunt_option_'.$option_name, false );
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if ( false !== $pre ) {
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return $pre;
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}
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$option = new \YOURLS\Database\Options(yourls_get_db());
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$value = $option->get($option_name, $default);
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return yourls_apply_filter( 'get_option_'.$option_name, $value );
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}
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/**
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* Read all options from DB at once
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*
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* The goal is to read all options at once and then populate array $ydb->option, to prevent further
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* SQL queries if we need to read an option value later.
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* It's also a simple check whether YOURLS is installed or not (no option = assuming not installed) after
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* a check for DB server reachability has been performed
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*
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* @since 1.4
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* @return void
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*/
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function yourls_get_all_options() {
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// Allow plugins to short-circuit all options. (Note: regular plugins are loaded after all options)
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$pre = yourls_apply_filter( 'shunt_all_options', false );
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if ( false !== $pre ) {
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return $pre;
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}
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$options = new \YOURLS\Database\Options(yourls_get_db());
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if ($options->get_all_options() === false) {
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// Zero option found but no unexpected error so far: YOURLS isn't installed
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yourls_set_installed(false);
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return;
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}
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yourls_set_installed(true);
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}
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/**
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* Update (add if doesn't exist) an option to DB
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*
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* Pretty much stolen from WordPress
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*
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* @since 1.4
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* @param string $option_name Option name. Expected to not be SQL-escaped.
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* @param mixed $newvalue Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
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* @return bool False if value was not updated, true otherwise.
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*/
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function yourls_update_option( $option_name, $newvalue ) {
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$option = new \YOURLS\Database\Options(yourls_get_db());
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$update = $option->update($option_name, $newvalue);
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return $update;
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}
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/**
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* Add an option to the DB
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*
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* Pretty much stolen from WordPress
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*
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* @since 1.4
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* @param string $name Name of option to add. Expected to not be SQL-escaped.
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* @param mixed $value Optional option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
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* @return bool False if option was not added and true otherwise.
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*/
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function yourls_add_option( $name, $value = '' ) {
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$option = new \YOURLS\Database\Options(yourls_get_db());
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$add = $option->add($name, $value);
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return $add;
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}
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/**
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* Delete an option from the DB
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*
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* Pretty much stolen from WordPress
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*
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* @since 1.4
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* @param string $name Option name to delete. Expected to not be SQL-escaped.
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* @return bool True, if option is successfully deleted. False on failure.
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*/
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function yourls_delete_option( $name ) {
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$option = new \YOURLS\Database\Options(yourls_get_db());
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$delete = $option->delete($name);
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return $delete;
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}
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/**
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* Serialize data if needed. Stolen from WordPress
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*
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* @since 1.4
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* @param mixed $data Data that might be serialized.
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* @return mixed A scalar data
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*/
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function yourls_maybe_serialize( $data ) {
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if ( is_array( $data ) || is_object( $data ) )
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return serialize( $data );
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if ( yourls_is_serialized( $data, false ) )
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return serialize( $data );
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return $data;
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}
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/**
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* Unserialize value only if it was serialized. Stolen from WP
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*
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* @since 1.4
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* @param string $original Maybe unserialized original, if is needed.
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* @return mixed Unserialized data can be any type.
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*/
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function yourls_maybe_unserialize( $original ) {
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if ( yourls_is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
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return @unserialize( $original );
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return $original;
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}
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/**
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* Check value to find if it was serialized. Stolen from WordPress
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*
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* @since 1.4
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* @param mixed $data Value to check to see if was serialized.
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* @param bool $strict Optional. Whether to be strict about the end of the string. Defaults true.
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* @return bool False if not serialized and true if it was.
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*/
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function yourls_is_serialized( $data, $strict = true ) {
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// if it isn't a string, it isn't serialized
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if ( ! is_string( $data ) )
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return false;
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$data = trim( $data );
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if ( 'N;' == $data )
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return true;
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$length = strlen( $data );
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if ( $length < 4 )
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return false;
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if ( ':' !== $data[1] )
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return false;
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if ( $strict ) {
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$lastc = $data[ $length - 1 ];
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if ( ';' !== $lastc && '}' !== $lastc )
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return false;
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} else {
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$semicolon = strpos( $data, ';' );
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$brace = strpos( $data, '}' );
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// Either ; or } must exist.
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if ( false === $semicolon && false === $brace )
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return false;
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// But neither must be in the first X characters.
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if ( false !== $semicolon && $semicolon < 3 )
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return false;
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if ( false !== $brace && $brace < 4 )
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return false;
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}
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$token = $data[0];
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switch ( $token ) {
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case 's' :
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if ( $strict ) {
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if ( '"' !== $data[ $length - 2 ] )
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return false;
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} elseif ( false === strpos( $data, '"' ) ) {
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return false;
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}
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// or else fall through
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case 'a' :
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case 'O' :
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return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
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case 'b' :
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case 'i' :
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case 'd' :
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$end = $strict ? '$' : '';
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return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
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}
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return false;
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}
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