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bfe3f934a3
Convert the empty string assignment to an Error as per RFC [1] Add a warning that only the first byte will be assigned to the offset if provided a needle that is longer than one byte. [1] https://wiki.php.net/rfc/engine_warnings
52 lines
966 B
PHP
52 lines
966 B
PHP
--TEST--
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string offset 004
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--FILE--
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<?php
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// Test assignments using (positive and negative) string offsets
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$str = "abcdefghijklmno";
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$i = 3;
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$j = -4;
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$str[2] = 'C';
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var_dump($str);
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$str[$i] = 'Z';
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var_dump($str);
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$str[-5] = 'P';
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var_dump($str);
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$str[$j] = 'Q';
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var_dump($str);
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$str[-20] = 'Y';
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var_dump($str);
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$str[-strlen($str)] = strtoupper($str[0]); /* An exotic ucfirst() ;) */
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var_dump($str);
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$str[20] = 'N';
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var_dump($str);
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$str[-2] = 'UFO';
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var_dump($str);
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$str[-$i] = $str[$j*2];
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var_dump($str);
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?>
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--EXPECTF--
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string(15) "abCdefghijklmno"
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string(15) "abCZefghijklmno"
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string(15) "abCZefghijPlmno"
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string(15) "abCZefghijPQmno"
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Warning: Illegal string offset: -20 in %sstr_offset_004.php on line %d
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string(15) "abCZefghijPQmno"
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string(15) "AbCZefghijPQmno"
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string(21) "AbCZefghijPQmno N"
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Warning: Only the first byte will be assigned to the string offset in %s on line %d
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string(21) "AbCZefghijPQmno UN"
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string(21) "AbCZefghijPQmno nUN"
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