avoid arrow functions as we support php 7.0

1 files changed, 17 insertions, 9 deletions

diff --git a/it_dbi.class b/it_dbi.class
index ee6ce08..5d86f12 100644
--- a/it_dbi.class
+++ b/it_dbi.class
@@ -305,8 +305,10 @@ function _expressions($tags, $force = false)
 function _set($tags, $force = false)
 {
 	$expressions = $this->_expressions($tags, $force);
+	foreach ((array)$expressions as $k => $v)
+		$strings[] = $this->escape_name($k) . "=$v";
 
-	return $expressions ? 'SET ' . implode(', ', it::map(fn ($k, $v) => $this->escape_name($k) . "=$v", $expressions)) : '';
+	return $strings ? 'SET ' . implode(', ', $strings) : '';
 }
 
 /**
@@ -317,11 +319,11 @@ function _values($tags, $force = false)
 {
 	$expressions = $this->_expressions($tags, $force);
 
-	$result = '';
-	if ($expressions)
-		$result = '(' . implode(', ', it::map(fn ($k) => $this->escape_name($k), $expressions)) . ') VALUES (' . implode(', ', array_values($expressions)) . ')';
-
-	return $result;
+	foreach ((array)$expressions as $k => $v) {
+		$keys[] = $this->escape_name($k);
+		$vals[] = $v;
+	}
+	return $expressions ? '(' . implode(', ', $keys) . ') VALUES (' . implode(', ', $vals) . ')' : '';
 }
 
 /**
@@ -1138,17 +1140,23 @@ function _json_extract($col, $field)
 
 function _json_object($tags)
 {
-	return "JSON_OBJECT(" . implode(', ', it::map(fn ($f, $v) => "'$f', $v", (array)$tags)) . ")";
+	foreach ((array)$tags as $f => $v)
+		$strings[] = $this->escape_string($f) . ', ' . $v;
+	return "JSON_OBJECT(" . implode(', ', $strings) . ")";
 }
 
 function _json_set($source, $tags)
 {
-	return "JSON_SET($source, " . implode(", ", it::map(fn ($f, $v) => "'\$.$f', $v", (array)$tags)) . ')';
+	foreach ((array)$tags as $f => $v)
+		$strings[] = $this->escape_string('$.' . $f) . ', ' . $v;
+	return "JSON_SET($source, " . implode(", ", $strings) . ')';
 }
 
 function _json_remove($source, $fields)
 {
-	return "JSON_REMOVE($source, " . implode(", ", it::map(fn ($dummy, $f) => "'\$.$f'", (array)$fields)) . ')';
+	foreach ((array)$fields as $f)
+		$strings[] = $this->escape_string('$.' . $f);
+	return "JSON_REMOVE($source, " . implode(", ", $strings) . ')';
 }
 
 function _fetch_assoc($res)