Merge branch 'feature/33-remove-schedule-ajax-from-startpage'

fixes #33

1 files changed, 31 insertions, 0 deletions

diff --git a/lib/helper.php b/lib/helper.php
index df7f329..1925382 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -114,3 +114,34 @@ function url_params()
 
 	return '';
 }
+
+/**
+ * returns the fielst element matching $predicate or null, if none matched.
+ * $predicate is a callable that receives one array value at a time and can
+ * return a bool'ish value
+ */
+function array_filter_first($array, $predicate)
+{
+	foreach ($array as $value) {
+		if( $predicate($value) ) {
+			return $value;
+		}
+	}
+
+	return null;
+}
+/**
+ * returns the fielst element matching $predicate or null, if none matched.
+ * $predicate is a callable that receives one array value at a time and can
+ * return a bool'ish value
+ */
+function array_filter_last($array, $predicate)
+{
+	foreach (array_reverse($array) as $value) {
+		if( $predicate($value) ) {
+			return $value;
+		}
+	}
+
+	return null;
+}