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1.1     ! misho       1: --TEST--
        !             2: Test strtr() function : error conditions 
        !             3: --FILE--
        !             4: <?php
        !             5: /* Prototype  : string strtr(string str, string from[, string to])
        !             6:  * Description: Translates characters in str using given translation tables 
        !             7:  * Source code: ext/standard/string.c
        !             8: */
        !             9: 
        !            10: echo "*** Testing strtr() : error conditions ***\n";
        !            11: $str = "string";
        !            12: $from = "string";
        !            13: $to = "STRING";
        !            14: $extra_arg = "extra_argument";
        !            15: 
        !            16: echo "\n-- Testing strtr() function with Zero arguments --";
        !            17: var_dump( strtr() );
        !            18: 
        !            19: echo "\n-- Testing strtr() function with less than expected no. of arguments --";
        !            20: var_dump( strtr($str) );
        !            21: 
        !            22: echo "\n-- Testing strtr() function with more than expected no. of arguments --";
        !            23: var_dump( strtr($str, $from, $to, $extra_arg) );
        !            24: 
        !            25: echo "Done";
        !            26: ?>
        !            27: --EXPECTF--
        !            28: *** Testing strtr() : error conditions ***
        !            29: 
        !            30: -- Testing strtr() function with Zero arguments --
        !            31: Warning: strtr() expects at least 2 parameters, 0 given in %s on line %d
        !            32: NULL
        !            33: 
        !            34: -- Testing strtr() function with less than expected no. of arguments --
        !            35: Warning: strtr() expects at least 2 parameters, 1 given in %s on line %d
        !            36: NULL
        !            37: 
        !            38: -- Testing strtr() function with more than expected no. of arguments --
        !            39: Warning: strtr() expects at most 3 parameters, 4 given in %s on line %d
        !            40: NULL
        !            41: Done