1--TEST-- 2preg_match() flags 3 3--FILE-- 4<?php 5 6var_dump(preg_match('', '', $match, 0xfff)); 7 8var_dump(preg_match('/\d+/', '123 456 789 012', $match, 0, -8)); 9var_dump($match); 10 11var_dump(preg_match('/\d+/', '123 456 789 012', $match, 0, -500)); 12var_dump($match); 13 14var_dump(preg_match_all('/\d+/', '123 456 789 012', $match, 0, -8)); 15var_dump($match); 16 17var_dump(preg_match('/(?P<3>)/', '')); 18 19?> 20--EXPECTF-- 21Warning: preg_match(): Empty regular expression in %smatch_flags3.php on line 3 22bool(false) 23int(1) 24array(1) { 25 [0]=> 26 string(3) "789" 27} 28int(1) 29array(1) { 30 [0]=> 31 string(3) "123" 32} 33int(2) 34array(1) { 35 [0]=> 36 array(2) { 37 [0]=> 38 string(3) "789" 39 [1]=> 40 string(3) "012" 41 } 42} 43 44Warning: preg_match(): Compilation failed: %s name must start with a non-digit at offset %d in %smatch_flags3.php on line %d 45bool(false) 46
