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111 lines
2.1 KiB
PHP
111 lines
2.1 KiB
PHP
--TEST--
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Test strtok() function : usage variations - with embedded nulls in the strings
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--FILE--
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<?php
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/* Prototype : string strtok ( str $str, str $token )
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* Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token
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* Source code: ext/standard/string.c
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*/
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/*
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* Testing strtok() : with embedded nulls in the strings
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*/
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echo "*** Testing strtok() : with embedded nulls in the strings ***\n";
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// defining varous strings with embedded nulls
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$strings_with_nulls = array(
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"\0",
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'\0',
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"hello\0world",
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"\0hel\0lo",
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"hello\0",
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"\0\0hello\tworld\0\0",
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"\\0he\0llo\\0",
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'hello\0\0'
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);
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// loop through each element of the array and check the working of strtok()
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// when supplied with different string values
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$counter = 1;
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foreach( $strings_with_nulls as $string ) {
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echo "\n--- Iteration $counter ---\n";
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var_dump( strtok($string, "\0") );
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for($count = 1; $count <= 5; $count++) {
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var_dump( strtok("\0") );
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}
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$counter++;
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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 embedded nulls in the strings ***
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--- Iteration 1 ---
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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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bool(false)
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--- Iteration 2 ---
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string(2) "\0"
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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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--- Iteration 3 ---
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string(5) "hello"
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string(5) "world"
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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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--- Iteration 4 ---
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string(3) "hel"
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string(2) "lo"
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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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--- Iteration 5 ---
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string(5) "hello"
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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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--- Iteration 6 ---
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string(11) "hello world"
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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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--- Iteration 7 ---
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string(4) "\0he"
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string(5) "llo\0"
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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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--- Iteration 8 ---
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string(9) "hello\0\0"
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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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Done
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