Specify a negative number as parameter three for the length : substr « String « PHP

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PHP » String » substr

Specify a negative number as parameter three for the length


 

<?

    $string = "Goodbye, Perl!";

    $a = substr($string, 5, 5);



    $b = substr($string, 5, -1);



    $c = substr($string, 0, -7);

?>

Related examples in the same category

1.	A negative substr() length parameter
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5.	Extracting a substring with substr()
6.	Extracting the end of a string with substr()
7.	If you pass substr() a negative number, it counts from the end of the string.
8.	Setting up and working with both strings and substrings
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11.	Using substr() with length past the end of the string
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14.	Using substr() with positive $start and $length
15.	Using substr() with positive start and no length
16.	string substr ( string str, int start_pos [, int length] ) reads part of a string and takes a minimum of two parameters
17.	substr() function returns the part of the string between the start and start+length parameters.
18.	substr-2.php
19.	substr-3.php
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21.	Using negative lengths allows you to say "copy everything but the last three characters,"
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