Fixed #71062 pg_convert() doesn't accept ISO 8601 for datatype timestamp

ext/pgsql/pgsql.c

@@ -6183,7 +6183,7 @@ PHP_PGSQL_API int php_pgsql_convert(PGconn *pg_link, const char *table_name, con
 							ZVAL_STRINGL(&new_val, "NOW()", sizeof("NOW()")-1);
 						} else {
 							/* better regex? */
-							if (php_pgsql_convert_match(Z_STRVAL_P(val), Z_STRLEN_P(val), "^([0-9]{4}[/-][0-9]{1,2}[/-][0-9]{1,2})([ \\t]+(([0-9]{1,2}:[0-9]{1,2}){1}(:[0-9]{1,2}){0,1}(\\.[0-9]+){0,1}([ \\t]*([+-][0-9]{1,4}(:[0-9]{1,2}){0,1}|[-a-zA-Z_/+]{1,50})){0,1})){0,1}$", 1) == FAILURE) {
+							if (php_pgsql_convert_match(Z_STRVAL_P(val), Z_STRLEN_P(val), "^([0-9]{4}[/-][0-9]{1,2}[/-][0-9]{1,2})(([ \\t]+|T)(([0-9]{1,2}:[0-9]{1,2}){1}(:[0-9]{1,2}){0,1}(\\.[0-9]+){0,1}([ \\t]*([+-][0-9]{1,4}(:[0-9]{1,2}){0,1}|[-a-zA-Z_/+]{1,50})){0,1})){0,1}$", 1) == FAILURE) {
 								err = 1;
 							} else {
 								ZVAL_STRING(&new_val, Z_STRVAL_P(val));

ext/pgsql/tests/bug71062.phpt

@@ -0,0 +1,39 @@
+--TEST--
+Bug #71062 pg_convert() doesn't accept ISO 8601 for datatype timestamp
+--SKIPIF--
+<?php include("skipif.inc"); ?>
+--FILE--
+<?php
+
+include('config.inc');
+
+$db = pg_connect($conn_str);
+
+$table = "public.test_table_bug71062_bug71062";
+
+pg_query($db, "CREATE TABLE $table ( test_field TIMESTAMPTZ )");
+
+// ISO 8601 (with 'T' between date and time)
+$date_string_php_iso8601 = date_create('8 Dec 2015 5:38')->format(DateTime::ISO8601);
+
+// ISO 8601 with the 'T' removed
+$modified_format = 'Y-m-d H:i:sO';
+$date_string_modified_iso8601 = date_create('8 Dec 2015 5:38')->format($modified_format);
+
+printf("trying format %s \n", DateTime::ISO8601);
+pg_convert($db, $table, ['test_field' => $date_string_php_iso8601]);
+
+printf("trying format %s \n", $modified_format);
+pg_convert($db, $table, ['test_field' => $date_string_modified_iso8601]);
+
+print "done\n";
+
+pg_query($db, "DROP TABLE $table");
+
+?>
+==OK==
+--EXPECT--
+trying format Y-m-d\TH:i:sO 
+trying format Y-m-d H:i:sO 
+done
+==OK==