PHP substr() function
Posted by PHP HELP in Functions | no responses
PHP substr() function will substract or returns the portion of string specified by the start and length parameters.
substr($string , int $start [, int $length ] )
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<?php
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$sub = substr("abcdef", -2); // returns "ef", -2 represent starting from 2 character back
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$sub = substr("abcdef", -3, 1); // returns "d", -3 represent starting from 3 character back and 1 the length of the substraction
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echo substr('abcdef', 0, 3); // returns "abc", starting from 0 to 3
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// you can substract only one character
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$string = 'abcdef';
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echo $string[3]; // returns "d", the third character
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?>
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