1--TEST-- 2preg_grep() 2nd test 3--FILE-- 4<?php 5 6var_dump(preg_grep(1,array(),3,4)); 7var_dump(preg_grep(1, 2)); 8var_dump(preg_grep('/+/', array())); 9 10$array = array(5=>'a', 'x' => '1', 'xyz'=>'q6', 'h20'); 11 12var_dump(preg_grep('@^[a-z]+@', $array)); 13var_dump(preg_grep('@^[a-z]+@', $array, PREG_GREP_INVERT)); 14 15ini_set('pcre.recursion_limit', 1); 16var_dump(preg_last_error() == PREG_NO_ERROR); 17var_dump(preg_grep('@^[a-z]+@', $array)); 18var_dump(preg_last_error() == PREG_RECURSION_LIMIT_ERROR); 19 20?> 21--EXPECTF-- 22Warning: preg_grep() expects at most 3 parameters, 4 given in %sgrep2.php on line 3 23NULL 24 25Warning: preg_grep() expects parameter 2 to be array, integer given in %sgrep2.php on line 4 26NULL 27 28Warning: preg_grep(): Compilation failed: nothing to repeat at offset 0 in %sgrep2.php on line 5 29bool(false) 30array(3) { 31 [5]=> 32 string(1) "a" 33 ["xyz"]=> 34 string(2) "q6" 35 [6]=> 36 string(3) "h20" 37} 38array(1) { 39 ["x"]=> 40 string(1) "1" 41} 42bool(true) 43array(0) { 44} 45bool(true) 46
