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103 lines
2.5 KiB
PHP
103 lines
2.5 KiB
PHP
--TEST--
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Test strtr() function : usage variations - string containing escape sequences for 'str' argument
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--FILE--
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<?php
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/* Prototype : string strtr(string $str, string $from[, string $to]);
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string strtr(string $str, array $replace_pairs);
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* Description: Translates characters in str using given translation tables
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* Source code: ext/standard/string.c
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*/
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/* Testing strtr() function by passing the
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* string containing various escape sequences for 'str' argument and
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* corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
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*/
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echo "*** Testing strtr() : string containing escape sequences for 'str' arg ***\n";
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/* definitions of required input variables */
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$count = 1;
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$heredoc_str = <<<EOD
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\tes\t\\stt\r
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\\test\\\strtr
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\ntest\r\nstrtr
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\$variable
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\"quotes
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EOD;
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//array of string inputs for $str
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$str_arr = array(
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//double quoted strings
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"\tes\t\\stt\r",
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"\\test\\\strtr",
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"\ntest\r\nstrtr",
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"\$variable",
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"\"quotes",
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//single quoted strings
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'\tes\t\\stt\r',
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'\\test\\\strtr',
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'\ntest\r\nstrtr',
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'\$variable',
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'\"quotes',
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//heredoc string
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$heredoc_str
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);
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$from = "\n\r\t\\";
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$to = "TEST";
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$replace_pairs = array("\n" => "t", "\r\n" => "T", "\n\r\t\\" => "TEST");
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/* loop through to test strtr() with each element of $str_arr */
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for($index = 0; $index < count($str_arr); $index++) {
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echo "-- Iteration $count --\n";
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$str = $str_arr[$index]; //getting the array element in 'str' variable
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//strtr() call in three args syntax form
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var_dump( strtr($str, $from, $to) );
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//strtr() call in two args syntax form
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var_dump( strtr($str, $replace_pairs) );
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$count++;
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}
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echo "*** Done ***";
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?>
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--EXPECTF--
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*** Testing strtr() : string containing escape sequences for 'str' arg ***
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-- Iteration 1 --
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string(9) "SesSTsttE"
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string(9) " es \stt
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"
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-- Iteration 2 --
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string(12) "TtestTTstrtr"
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string(12) "\test\\strtr"
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-- Iteration 3 --
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string(12) "TtestETstrtr"
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string(11) "ttestTstrtr"
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-- Iteration 4 --
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string(9) "$variable"
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string(9) "$variable"
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-- Iteration 5 --
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string(7) ""quotes"
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string(7) ""quotes"
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-- Iteration 6 --
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string(12) "TtesTtTsttTr"
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string(12) "\tes\t\stt\r"
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-- Iteration 7 --
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string(12) "TtestTTstrtr"
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string(12) "\test\\strtr"
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-- Iteration 8 --
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string(15) "TntestTrTnstrtr"
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string(15) "\ntest\r\nstrtr"
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-- Iteration 9 --
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string(10) "T$variable"
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string(10) "\$variable"
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-- Iteration 10 --
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string(8) "T"quotes"
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string(8) "\"quotes"
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-- Iteration 11 --
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string(54) "SesSTsttETTtestTTstrtrTTtestETstrtrT$variableTT"quotes"
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string(52) " es \sttT\test\\strtrtttestTstrtrt$variablet\"quotes"
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*** Done ***
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