Posted By

lmcdougall on 09/13/07

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Last Edited at 09/13/07 03:43pm

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Simple MySQL Search

/ Published in: PHP

A quick and simple way to search a MySQL database. Example: mysql_search('items', 'title tags', isset($_GET['q'])?$_GET['q']:'', Array('columns'=>'*', 'method'=>'OR', 'extra_sql'=>'AND active = "true" ORDER BY id DESC'));

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if (!function_exists('mysql_search')) {

function mysql_search($table, $columns, $query = '', $options = Array()) {

if (empty($query)) { return Array(); }

$sql_query = Array();

$options['columns'] = isset($options['columns'])?$options['columns']:'*';
      $options['method'] = isset($options['method'])?$options['method']:'OR';
      $options['extra_sql'] = isset($options['extra_sql'])?$options['extra_sql']:'';

$query = ereg_replace('[[:<:]](and|or|the)[[:>:]]', '', $query);
      $query = ereg_replace(' +', ' ', trim(stripslashes($query)));

$pattern = '/([[:alpha:]:]+)([[:alpha:] ]+)[[:alpha:]]?+[ ]?/i';

$regs = Array();

preg_match_all($pattern, $query, $regs);

$query = $regs[0];

while (list($key, $value) = @each($query)) {

$column = $columns;
         $keywords = urldecode($value);

if (strpos($value, ':')) {

$column = substr($value, 0, strpos($value, ':'));
            $keywords = trim(substr($keywords, strpos($keywords, ':') + 1));
            $keywords = ereg_replace('\'', '', $keywords);

} else { $keywords = ereg_replace(' +', '|', $keywords); }

$column_list = explode(' ', $column);

$sql = Array();

for ($i = 0; $i < count($column_list); $i++) { $sql[] = '' . $column_list[$i] . ' REGEXP "' . $keywords . '"'; }

$query[$key] = Array('orignal'=>$value, 'sql'=>implode(' ' . $options['method'] . ' ', $sql));

$sql_query = array_merge($sql_query, $sql);
         $sql_query = implode(' ' . $options['method'] . ' ', $sql_query);

}

$results = mysql_fetch_results(mysql_query('SELECT ' . $options['columns'] . ' FROM ' . $table . ' WHERE ' . $sql_query . ' ' . $options['extra_sql']));

return $results;

}

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