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|
--TEST--
Test strtok() function : usage variations - invalid escape sequences as tokens
--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 invalid escape sequences in token
*/
echo "*** Testing strtok() : with invalid escape sequences in token ***\n";
// defining arrays for input strings and tokens
$string_array = array(
"khellok worldk",
"\khello\k world\k",
"/khello\k world/k",
"/hellok/ world"
);
$token_array = array(
"k",
"/ ",
"/k",
"\k",
"\\\\\\\k\h\\e\l\o\w\r\l\d"
);
// 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";
foreach( $token_array as $token ) {
var_dump( strtok($string, $token) );
for( $count = 1; $count <=3; $count++ ) {
var_dump( strtok($token) );
}
echo "\n";
}
$counter++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing strtok() : with invalid escape sequences in token ***
--- Iteration 1 ---
string(5) "hello"
string(6) " world"
bool(false)
bool(false)
string(7) "khellok"
string(6) "worldk"
bool(false)
bool(false)
string(5) "hello"
string(6) " world"
bool(false)
bool(false)
string(5) "hello"
string(6) " world"
bool(false)
bool(false)
string(1) " "
string(1) "r"
bool(false)
bool(false)
--- Iteration 2 ---
string(1) "\"
string(6) "hello\"
string(7) " world\"
bool(false)
string(9) "\khello\k"
string(7) "world\k"
bool(false)
bool(false)
string(1) "\"
string(6) "hello\"
string(7) " world\"
bool(false)
string(5) "hello"
string(6) " world"
bool(false)
bool(false)
string(1) " "
string(1) "r"
bool(false)
bool(false)
--- Iteration 3 ---
string(1) "/"
string(6) "hello\"
string(7) " world/"
bool(false)
string(8) "khello\k"
string(5) "world"
string(1) "k"
bool(false)
string(6) "hello\"
string(6) " world"
bool(false)
bool(false)
string(1) "/"
string(5) "hello"
string(7) " world/"
bool(false)
string(1) "/"
string(1) " "
string(1) "r"
string(1) "/"
--- Iteration 4 ---
string(6) "/hello"
string(7) "/ world"
bool(false)
bool(false)
string(6) "hellok"
string(5) "world"
bool(false)
bool(false)
string(5) "hello"
string(6) " world"
bool(false)
bool(false)
string(6) "/hello"
string(7) "/ world"
bool(false)
bool(false)
string(1) "/"
string(2) "/ "
string(1) "r"
bool(false)
Done
|
