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109 lines
2.5 KiB
PHP
109 lines
2.5 KiB
PHP
--TEST--
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Test strtok() function : usage variations - modifying the input string while tokenising
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--FILE--
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<?php
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/* Prototype : string strtok ( str $str, str $token )
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* Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token
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* Source code: ext/standard/string.c
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*/
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/*
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* Testing strtok() : modifying the input string while it is getting tokenised
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*/
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echo "*** Testing strtok() : with modification of input string in between tokenising ***\n";
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$str = "this is a sample string";
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$token = " ";
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echo "\n*** Testing strtok() when string being tokenised is prefixed with another string in between the process ***\n";
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var_dump( strtok($str, $token) );
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// adding a string to the input string which is being tokenised
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$str = "extra string ".$str;
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for( $count = 1; $count <=6; $count++ ) {
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echo "\n-- Token $count is --\n";
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var_dump( strtok($token) );
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echo "\n-- Input str is \"$str\" --\n";
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}
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echo "\n*** Testing strtok() when string being tokenised is suffixed with another string in between the process ***\n";
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var_dump( strtok($str, $token) );
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// adding a string to the input string which is being tokenised
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$str = $str." extra string";
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for( $count = 1; $count <=10; $count++ ) {
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echo "\n-- Token $count is --\n";
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var_dump( strtok($token) );
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}
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing strtok() : with modification of input string in between tokenising ***
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*** Testing strtok() when string being tokenised is prefixed with another string in between the process ***
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string(4) "this"
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-- Token 1 is --
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string(2) "is"
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-- Input str is "extra string this is a sample string" --
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-- Token 2 is --
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string(1) "a"
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-- Input str is "extra string this is a sample string" --
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-- Token 3 is --
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string(6) "sample"
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-- Input str is "extra string this is a sample string" --
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-- Token 4 is --
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string(6) "string"
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-- Input str is "extra string this is a sample string" --
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-- Token 5 is --
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bool(false)
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-- Input str is "extra string this is a sample string" --
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-- Token 6 is --
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bool(false)
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-- Input str is "extra string this is a sample string" --
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*** Testing strtok() when string being tokenised is suffixed with another string in between the process ***
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string(5) "extra"
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-- Token 1 is --
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string(6) "string"
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-- Token 2 is --
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string(4) "this"
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-- Token 3 is --
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string(2) "is"
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-- Token 4 is --
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string(1) "a"
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-- Token 5 is --
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string(6) "sample"
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-- Token 6 is --
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string(6) "string"
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-- Token 7 is --
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bool(false)
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-- Token 8 is --
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bool(false)
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-- Token 9 is --
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bool(false)
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-- Token 10 is --
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bool(false)
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Done
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