57 lines
1.2 KiB
PHP
57 lines
1.2 KiB
PHP
<?php
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class SimpleSearch
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{
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var $terms;
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var $text;
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function __construct($text)
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{
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$this->terms = array();
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$this->text=$text;
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}
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private function safe_query($search)
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{
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return preg_replace('/%|_|\'|\\\\/', '\\\\$0', stripslashes($search));
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}
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function parse_search($search="", $safe = true)
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{
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if (empty($search)) $search=$this->text;
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$temp = array();
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preg_match_all('/"([^"]+)"|([^\\s]+)/', (( $safe ) ? $this->safe_query($search) : $search), $temp);
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for ($i = 1; $i < count($temp); $i++)
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{
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foreach ( $temp[$i] as $value )
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{
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if ( strlen($value) >= 3 )
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{
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$this->terms[] = $value;
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}
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}
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}
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}
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function sql_expr($field)
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{
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$sql=" 1=1 ";
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if (!is_array($field))
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{
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$field=array($field);
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}
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if (!count($this->terms))
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$this->parse_search();
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foreach($this->terms as $t)
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{
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$sql.=" and (1<>1 ";
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foreach($field as $f)
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{
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$sql.=" or ".$f." ilike '%".$t."%' ";
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}
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$sql.=") ";
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}
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return $sql;
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}
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} |