function searchExcerpt($PlainText, $SearchTerms, $Length = 200, $Mark = true)
{
if (empty($SearchTerms)) {
return substrWord($PlainText, 0, $Length);
}
if (is_string($SearchTerms)) {
$SearchTerms = preg_split('`[\\s|-]+`i', $SearchTerms);
}
// Split the string into lines.
$Lines = explode("\n", $PlainText);
// Find the first line that includes a search term.
foreach ($Lines as $i => &$Line) {
$Line = trim($Line);
if (!$Line) {
continue;
}
foreach ($SearchTerms as $Term) {
if (!$Term) {
continue;
}
if (($Pos = mb_stripos($Line, $Term)) !== false) {
$Line = substrWord($Line, $Term, $Length);
if ($Mark) {
return markString($SearchTerms, $Line);
} else {
return $Line;
}
}
}
}
// No line was found so return the first non-blank line.
foreach ($Lines as $Line) {
if ($Line) {
return sliceString($Line, $Length);
}
}
return '';
}
function SearchExcerpt($PlainText, $SearchTerms, $Length = 200, $Mark = true)
{
if (empty($SearchTerms)) {
return substrWord($PlainText, 0, $Length);
}
if (is_string($SearchTerms)) {
$SearchTerms = preg_split('`[\\s|-]+`i', $SearchTerms);
}
// Split the string into lines.
$Lines = explode("\n", $PlainText);
// Find the first line that includes a search term.
foreach ($Lines as $i => &$Line) {
$Line = trim($Line);
if (!$Line) {
continue;
}
foreach ($SearchTerms as $Term) {
if (!$Term) {
continue;
}
if (($Pos = mb_stripos($Line, $Term)) !== FALSE) {
$Line = substrWord($Line, $Term, $Length);
// if ($Pos + mb_strlen($Term) > $Length) {
// $St = -(strlen($Line) - ($Pos - $Length / 4));
// $Pos2 = strrpos($Line, ' ', $St);
// if ($Pos2 !== FALSE)
// $Line = '…'.substrWord($Line, $Pos2, $Length, "!!!");
// else
// $Line = '…!'.mb_substr($Line, $St, $Length);
// } else {
// $Line = substrWord($Line, 0, $Length, '---');
// }
return MarkString($SearchTerms, $Line);
}
}
}
// No line was found so return the first non-blank line.
foreach ($Lines as $Line) {
if ($Line) {
return SliceString($Line, $Length);
}
}
}
