--TEST--
Test strstr() function
--FILE--
<?php
/* Prototype: string strstr ( string $haystack, string $needle );
Description: Find first occurrence of a string
and reurns the rest of the string from that string
*/
echo "*** Testing basic functionality of strstr() ***\n";
var_dump( strstr("test string", "test") );
var_dump( strstr("test string", "string") );
var_dump( strstr("test string", "strin") );
var_dump( strstr("test string", "t s") );
var_dump( strstr("test string", "g") );
var_dump( md5(strstr("te".chr(0)."st", chr(0))) );
var_dump( strstr("tEst", "test") );
var_dump( strstr("teSt", "test") );
var_dump( @strstr("", "") );
var_dump( @strstr("a", "") );
var_dump( @strstr("", "a") );
echo "\n*** Testing strstr() with various needles ***";
$string =
"Hello world,012033 -3.3445 NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n
abcd$:Hello world";
/* needles in an array to get the string starts with needle, in $string */
$needles = array(
"Hello world",
"WORLD",
"\0",
"\x00",
"\x000",
"abcd",
"xyz",
"octal",
"-3",
-3,
"-3.344",
-3.344,
NULL,
"NULL",
"0",
0,
TRUE,
"TRUE",
"1",
1,
FALSE,
"FALSE",
" ",
" ",
'b',
'\n',
"\n",
"12",
"12twelve",
$string
);
/* loop through to get the string starts with "needle" in $string */
for( $i = 0; $i < count($needles); $i++ ) {
echo "\n-- Iteration $i --\n";
var_dump( strstr($string, $needles[$i]) );
}
echo "\n*** Testing Miscelleneous input data ***\n";
echo "-- Passing objects as string and needle --\n";
/* we get "Catchable fatal error: saying Object of class needle could not be
converted to string" by default when an object is passed instead of string:
The error can be avoided by chosing the __toString magix method as follows: */
class string
{
function __toString() {
return "Hello, world";
}
}
$obj_string = new string;
class needle
{
function __toString() {
return "world";
}
}
$obj_needle = new needle;
var_dump(strstr("$obj_string", "$obj_needle"));
echo "\n-- passing an array as string and needle --\n";
$needles = array("hello", "?world", "!$%**()%**[][[[&@#~!");
var_dump( strstr($needles, $needles) ); // won't work
var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[1]") ); // works
var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[2]") ); // works
echo "\n-- passing Resources as string and needle --\n";
$resource1 = fopen(__FILE__, "r");
$resource2 = opendir(".");
var_dump( strstr($resource1, $resource1) );
var_dump( strstr($resource1, $resource2) );
echo "\n-- Posiibilities with null --\n";
var_dump( strstr("", NULL) );
var_dump( strstr(NULL, NULL) );
var_dump( strstr("a", NULL) );
var_dump( strstr("/x0", "0") ); // Hexadecimal NUL
echo "\n-- A longer and heredoc string --\n";
$string = <<<EOD
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
EOD;
var_dump( strstr($string, "abcd") );
var_dump( strstr($string, "1234") );
echo "\n-- A heredoc null string --\n";
$str = <<<EOD
EOD;
var_dump( strstr($str, "\0") );
var_dump( strstr($str, NULL) );
var_dump( strstr($str, "0") );
echo "\n-- simple and complex syntax strings --\n";
$needle = 'world';
/* Simple syntax */
var_dump( strstr("Hello, world", "$needle") ); // works
var_dump( strstr("Hello, world'S", "$needle'S") ); // works
var_dump( strstr("Hello, worldS", "$needleS") ); // won't work
/* String with curly braces, complex syntax */
var_dump( strstr("Hello, worldS", "${needle}S") ); // works
var_dump( strstr("Hello, worldS", "{$needle}S") ); // works
echo "\n-- complex strings containing other than 7-bit chars --\n";
$str = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
echo "- Positions of some chars in the string '$str' are as follows -\n";
echo chr(128)." => ";
var_dump( strstr($str, chr(128)) );
echo chr(255)." => ";
var_dump( strstr($str, chr(255)) );
echo chr(256)." => ";
var_dump( strstr($str, chr(256)) );
echo "\n*** Testing error conditions ***";
var_dump( strstr($string, ""));
var_dump( strstr() ); // zero argument
var_dump( strstr("") ); // null argument
var_dump( strstr($string) ); // without "needle"
var_dump( strstr("a", "b", "c") ); // args > expected
var_dump( strstr(NULL, "") );
echo "\nDone";
--CLEAN--
fclose($resource1);
closedir($resource2);
?>
--EXPECTF--
*** Testing basic functionality of strstr() ***
string(11) "test string"
string(6) "string"
string(6) "string"
string(8) "t string"
string(1) "g"
string(32) "7272696018bdeb2c9a3f8d01fc2a9273"
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
*** Testing strstr() with various needles ***
-- Iteration 0 --
string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 1 --
bool(false)
-- Iteration 2 --
string(40) " abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 3 --
string(40) " abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 4 --
string(28) " 0 octal
abcd$:Hello world"
-- Iteration 5 --
string(38) "abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 6 --
string(32) "xyz 0 octal
abcd$:Hello world"
-- Iteration 7 --
string(25) "octal
abcd$:Hello world"
-- Iteration 8 --
string(67) "-3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 9 --
bool(false)
-- Iteration 10 --
string(67) "-3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 11 --
bool(false)
-- Iteration 12 --
string(40) " abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 13 --
string(55) "NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 14 --
string(74) "012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 15 --
string(40) " abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 16 --
bool(false)
-- Iteration 17 --
string(50) "TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 18 --
string(73) "12033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 19 --
bool(false)
-- Iteration 20 --
string(40) " abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 21 --
string(45) "FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 22 --
string(81) " world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 23 --
string(60) " NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 24 --
string(37) "bcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 25 --
bool(false)
-- Iteration 26 --
string(20) "
abcd$:Hello world"
-- Iteration 27 --
string(73) "12033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
-- Iteration 28 --
bool(false)
-- Iteration 29 --
string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
abcd$:Hello world"
*** Testing Miscelleneous input data ***
-- Passing objects as string and needle --
string(5) "world"
-- passing an array as string and needle --
Notice: Array to string conversion in %s on line %d
bool(false)
string(27) "?world,!$%**()%**[][[[&@#~!"
string(20) "!$%**()%**[][[[&@#~!"
-- passing Resources as string and needle --
%s
%s
-- Posiibilities with null --
bool(false)
bool(false)
bool(false)
string(1) "0"
-- A longer and heredoc string --
string(729) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
string(702) "123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
-- A heredoc null string --
bool(false)
bool(false)
bool(false)
-- simple and complex syntax strings --
string(5) "world"
string(7) "world'S"
Notice: Undefined variable: needleS in %s on line %d
Warning: strstr(): Empty delimiter in %s on line %d
bool(false)
string(6) "worldS"
string(6) "worldS"
-- complex strings containing other than 7-bit chars --
- Positions of some chars in the string ' ' are as follows -
=> string(6) ""
=> string(1) ""
=> string(7) " "
*** Testing error conditions ***
Warning: strstr(): Empty delimiter in %s on line %d
bool(false)
Warning: Wrong parameter count for strstr() in %s on line %d
NULL
Warning: Wrong parameter count for strstr() in %s on line %d
NULL
Warning: Wrong parameter count for strstr() in %s on line %d
NULL
Warning: Wrong parameter count for strstr() in %s on line %d
NULL
Warning: strstr(): Empty delimiter in %s on line %d
bool(false)
Done