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|
--TEST--
Test strtok() function : usage variations - miscellaneous inputs
--FILE--
<?php
/* Prototype : string strtok ( str $str, str $token )
* Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token
* Source code: ext/standard/string.c
*/
/*
* Testing strtok() : with miscellaneous combinations of string and token
*/
echo "*** Testing strtok() : with miscellaneous inputs ***\n";
// defining arrays for input strings and tokens
$string_array = array(
"HELLO WORLD",
"hello world",
"_HELLO_WORLD_",
"/thello/t/wor/ttld",
"hel/lo/t/world",
"one:$:two:!:three:#:four",
"\rhello/r/wor\rrld",
chr(0),
chr(0).chr(0),
chr(0).'hello'.chr(0),
'hello'.chr(0).'world'
);
$token_array = array(
"wr",
"hello world",
"__",
"t/",
'/t',
":",
"\r",
"\0",
"\0",
"\0",
"\0",
);
// loop through each element of the array and check the working of strtok()
// when supplied with different string and token values
$counter =1;
foreach( $string_array as $string ) {
echo "\n--- Iteration $counter ---\n";
var_dump( strtok($string, $token_array[$counter-1]) );
for( $count = 1; $count <=5; $count++ ) {
var_dump( strtok($token_array[$counter-1]) );
}
$counter++;
}
echo "Done\n";
?>
--EXPECT--
*** Testing strtok() : with miscellaneous inputs ***
--- Iteration 1 ---
string(11) "HELLO WORLD"
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 2 ---
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 3 ---
string(5) "HELLO"
string(5) "WORLD"
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 4 ---
string(5) "hello"
string(3) "wor"
string(2) "ld"
bool(false)
bool(false)
bool(false)
--- Iteration 5 ---
string(3) "hel"
string(2) "lo"
string(5) "world"
bool(false)
bool(false)
bool(false)
--- Iteration 6 ---
string(3) "one"
string(1) "$"
string(3) "two"
string(1) "!"
string(5) "three"
string(1) "#"
--- Iteration 7 ---
string(11) "hello/r/wor"
string(3) "rld"
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 8 ---
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 9 ---
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 10 ---
string(5) "hello"
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
--- Iteration 11 ---
string(5) "hello"
string(5) "world"
bool(false)
bool(false)
bool(false)
bool(false)
Done
|
