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FIX Use empty array as a fallback for preg_split within dbtext summary 

If the content is invalid for whatever reason e.g. when instantiating
a DBText field to get a summary of text through
`DBField::create_field('Text', $content)->Summary(10)`, preg_split returns
false and the rest of the code expects an array.
This tweak ensures an array is always returned even when preg_split fails.
This commit is contained in:
Michal Kleiner 2020-09-17 10:31:00 +12:00
parent 9ccdb8efb2
commit 2017a20433
1 changed files with 5 additions and 5 deletions
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10
src/ORM/FieldType/DBText.php
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@ -80,7 +80,7 @@ class DBText extends DBString
}
// Do a word-search
$words = preg_split('/\s+/u', $value);
$words = preg_split('/\s+/u', $value) ?: [];
$sentences = 0;
foreach ($words as $i => $word) {
if (preg_match('/(!|\?|\.)$/', $word) && !preg_match('/(Dr|Mr|Mrs|Ms|Miss|Sr|Jr|No)\.$/i', $word)) {
@ -133,8 +133,8 @@ class DBText extends DBString
// Split on sentences (don't remove period)
$sentences = array_filter(array_map(function ($str) {
return trim($str);
}, preg_split('@(?<=\.)@', $value)));
$wordCount = count(preg_split('#\s+#u', $sentences[0]));
}, preg_split('@(?<=\.)@', $value) ?: []));
$wordCount = count(preg_split('#\s+#u', $sentences[0]) ?: []);
// if the first sentence is too long, show only the first $maxWords words
if ($wordCount > $maxWords) {
@ -149,7 +149,7 @@ class DBText extends DBString
// If more sentences to process, count number of words
if ($sentences) {
$wordCount += count(preg_split('#\s+#u', $sentences[0]));
$wordCount += count(preg_split('#\s+#u', $sentences[0]) ?: []);
}
} while ($wordCount < $maxWords && $sentences && trim($sentences[0]));
@ -169,7 +169,7 @@ class DBText extends DBString
}
// Split paragraphs and return first
$paragraphs = preg_split('#\n{2,}#', $value);
$paragraphs = preg_split('#\n{2,}#', $value) ?: [];
return reset($paragraphs);
}