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implode can take its arguments in either order, but let's try to be consistent

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zotlabs
2018-02-04 17:01:59 -08:00
parent 6ad14f4ca0
commit f15fd93f90
2 changed files with 35 additions and 32 deletions
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55
include/text.php
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@@ -2159,6 +2159,35 @@ function ids_to_querystr($arr,$idx = 'id',$quote = false) {
return(implode(',', $t));
}
/**
* @brief array_elm_to_str($arr,$elm,$delim = ',') extract unique individual elements from an array of arrays and return them as a string separated by a delimiter
* similar to ids_to_querystr, but allows a different delimiter instead of a db-quote option
* empty elements (evaluated after trim()) are ignored.
* @param $arr array
* @param $elm array key to extract from sub-array
* @param $delim string default ','
* @returns string
*/
function array_elm_to_str($arr,$elm,$delim = ',') {
$tmp = [];
if($arr && is_array($arr)) {
foreach($arr as $x) {
if(is_array($x) && array_key_exists($elm,$x)) {
$z = trim($x[$elm]);
if(($z) && (! in_array($z,$tmp))) {
$tmp[] = $z;
}
}
}
}
return implode($delim,$tmp);
}
/**
* @brief Fetches xchan and hubloc data for an array of items with only an
* author_xchan and owner_xchan.
@@ -3263,29 +3292,3 @@ function purify_filename($s) {
}
/**
* @brief array_elm_to_str($arr,$elm,$delim = ',') extract unique individual elements from an array of arrays and return them as a string separated by a delimiter
*
* empty elements (evaluated after trim()) are ignored.
* @param $arr array
* @param $elm array key to extract from sub-array
* @param $delim string default ','
* @returns string
*/
function array_elm_to_str($arr,$elm,$delim = ',') {
$tmp = [];
if($arr && is_array($arr)) {
foreach($arr as $x) {
if(is_array($x) && array_key_exists($elm,$x)) {
$z = trim($x[$elm]);
if(($z) && (! in_array($z,$tmp))) {
$tmp[] = $z;
}
}
}
}
return implode($tmp,$delim);
}