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411 lines
10 KiB
PHP
411 lines
10 KiB
PHP
--TEST--
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Test strstr() function
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--FILE--
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<?php
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/* Prototype: string strstr ( string $haystack, string $needle );
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Description: Find first occurrence of a string
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and reurns the rest of the string from that string
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*/
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echo "*** Testing basic functionality of strstr() ***\n";
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var_dump( strstr("test string", "test") );
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var_dump( strstr("test string", "string") );
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var_dump( strstr("test string", "strin") );
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var_dump( strstr("test string", "t s") );
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var_dump( strstr("test string", "g") );
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var_dump( md5(strstr("te".chr(0)."st", chr(0))) );
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var_dump( strstr("tEst", "test") );
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var_dump( strstr("teSt", "test") );
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var_dump( @strstr("", "") );
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var_dump( @strstr("a", "") );
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var_dump( @strstr("", "a") );
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echo "\n*** Testing strstr() with various needles ***";
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$string =
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"Hello world,012033 -3.3445 NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n
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abcd$:Hello world";
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/* needles in an array to get the string starts with needle, in $string */
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$needles = array(
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"Hello world",
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"WORLD",
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"\0",
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"\x00",
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"\x000",
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"abcd",
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"xyz",
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"octal",
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"-3",
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-3,
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"-3.344",
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-3.344,
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NULL,
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"NULL",
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"0",
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0,
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TRUE,
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"TRUE",
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"1",
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1,
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FALSE,
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"FALSE",
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" ",
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" ",
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'b',
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'\n',
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"\n",
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"12",
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"12twelve",
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$string
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);
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/* loop through to get the string starts with "needle" in $string */
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for( $i = 0; $i < count($needles); $i++ ) {
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echo "\n-- Iteration $i --\n";
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var_dump( strstr($string, $needles[$i]) );
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}
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echo "\n*** Testing Miscelleneous input data ***\n";
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echo "-- Passing objects as string and needle --\n";
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/* we get "Catchable fatal error: saying Object of class needle could not be
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converted to string" by default when an object is passed instead of string:
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The error can be avoided by chosing the __toString magix method as follows: */
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class string
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{
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function __toString() {
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return "Hello, world";
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}
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}
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$obj_string = new string;
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class needle
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{
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function __toString() {
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return "world";
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}
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}
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$obj_needle = new needle;
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var_dump(strstr("$obj_string", "$obj_needle"));
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echo "\n-- passing an array as string and needle --\n";
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$needles = array("hello", "?world", "!$%**()%**[][[[&@#~!");
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var_dump( strstr($needles, $needles) ); // won't work
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var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[1]") ); // works
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var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[2]") ); // works
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echo "\n-- passing Resources as string and needle --\n";
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$resource1 = fopen(__FILE__, "r");
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$resource2 = opendir(".");
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var_dump( strstr($resource1, $resource1) );
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var_dump( strstr($resource1, $resource2) );
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echo "\n-- Posiibilities with null --\n";
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var_dump( strstr("", NULL) );
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var_dump( strstr(NULL, NULL) );
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var_dump( strstr("a", NULL) );
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var_dump( strstr("/x0", "0") ); // Hexadecimal NUL
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echo "\n-- A longer and heredoc string --\n";
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$string = <<<EOD
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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EOD;
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var_dump( strstr($string, "abcd") );
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var_dump( strstr($string, "1234") );
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echo "\n-- A heredoc null string --\n";
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$str = <<<EOD
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EOD;
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var_dump( strstr($str, "\0") );
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var_dump( strstr($str, NULL) );
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var_dump( strstr($str, "0") );
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echo "\n-- simple and complex syntax strings --\n";
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$needle = 'world';
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/* Simple syntax */
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var_dump( strstr("Hello, world", "$needle") ); // works
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var_dump( strstr("Hello, world'S", "$needle'S") ); // works
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var_dump( strstr("Hello, worldS", "$needleS") ); // won't work
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/* String with curly braces, complex syntax */
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var_dump( strstr("Hello, worldS", "${needle}S") ); // works
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var_dump( strstr("Hello, worldS", "{$needle}S") ); // works
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echo "\n-- complex strings containing other than 7-bit chars --\n";
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$str = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
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echo "- Positions of some chars in the string '$str' are as follows -\n";
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echo chr(128)." => ";
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var_dump( strstr($str, chr(128)) );
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echo chr(255)." => ";
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var_dump( strstr($str, chr(255)) );
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echo chr(256)." => ";
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var_dump( strstr($str, chr(256)) );
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echo "\n*** Testing error conditions ***";
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var_dump( strstr($string, ""));
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var_dump( strstr() ); // zero argument
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var_dump( strstr("") ); // null argument
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var_dump( strstr($string) ); // without "needle"
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var_dump( strstr("a", "b", "c") ); // args > expected
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var_dump( strstr(NULL, "") );
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echo "\nDone";
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--CLEAN--
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fclose($resource1);
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closedir($resource2);
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?>
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--EXPECTF--
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*** Testing basic functionality of strstr() ***
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string(11) "test string"
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string(6) "string"
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string(6) "string"
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string(8) "t string"
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string(1) "g"
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string(32) "7272696018bdeb2c9a3f8d01fc2a9273"
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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*** Testing strstr() with various needles ***
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-- Iteration 0 --
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string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 1 --
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bool(false)
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-- Iteration 2 --
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string(40) " abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 3 --
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string(40) " abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 4 --
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string(28) " 0 octal
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abcd$:Hello world"
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-- Iteration 5 --
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string(38) "abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 6 --
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string(32) "xyz 0 octal
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abcd$:Hello world"
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-- Iteration 7 --
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string(25) "octal
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abcd$:Hello world"
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-- Iteration 8 --
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string(67) "-3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 9 --
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bool(false)
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-- Iteration 10 --
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string(67) "-3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 11 --
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bool(false)
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-- Iteration 12 --
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string(40) " abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 13 --
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string(55) "NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 14 --
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string(74) "012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 15 --
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string(40) " abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 16 --
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bool(false)
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-- Iteration 17 --
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string(50) "TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 18 --
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string(73) "12033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 19 --
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bool(false)
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-- Iteration 20 --
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string(40) " abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 21 --
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string(45) "FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 22 --
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string(81) " world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 23 --
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string(60) " NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 24 --
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string(37) "bcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 25 --
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bool(false)
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-- Iteration 26 --
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string(20) "
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abcd$:Hello world"
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-- Iteration 27 --
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string(73) "12033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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-- Iteration 28 --
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bool(false)
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-- Iteration 29 --
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string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE abcd\xxyz 0 octal
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abcd$:Hello world"
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*** Testing Miscelleneous input data ***
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-- Passing objects as string and needle --
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string(5) "world"
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-- passing an array as string and needle --
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Notice: Array to string conversion in %s on line %d
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bool(false)
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string(27) "?world,!$%**()%**[][[[&@#~!"
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string(20) "!$%**()%**[][[[&@#~!"
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-- passing Resources as string and needle --
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%s
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%s
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-- Posiibilities with null --
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bool(false)
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bool(false)
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bool(false)
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string(1) "0"
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-- A longer and heredoc string --
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string(729) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
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string(702) "123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
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abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
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-- A heredoc null string --
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bool(false)
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bool(false)
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bool(false)
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-- simple and complex syntax strings --
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string(5) "world"
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string(7) "world'S"
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Notice: Undefined variable: needleS in %s on line %d
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Warning: strstr(): Empty delimiter in %s on line %d
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bool(false)
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string(6) "worldS"
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string(6) "worldS"
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-- complex strings containing other than 7-bit chars --
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- Positions of some chars in the string ' <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>' are as follows -
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<EFBFBD> => string(6) "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
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<EFBFBD> => string(1) "<22>"
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=> string(7) " <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
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*** Testing error conditions ***
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Warning: strstr(): Empty delimiter in %s on line %d
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bool(false)
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Warning: strstr() expects at least 2 parameters, 0 given in %s on line %d
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NULL
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Warning: strstr() expects at least 2 parameters, 1 given in %s on line %d
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NULL
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Warning: strstr() expects at least 2 parameters, 1 given in %s on line %d
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NULL
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bool(false)
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Warning: strstr(): Empty delimiter in %s on line %d
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bool(false)
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Done
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