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--TEST--
Test strspn() function : usage variations - with varying mask & default start and len args
--FILE--
<?php
/* Prototype : proto int strspn(string str, string mask [, int start [, int len]])
* Description: Finds length of initial segment consisting entirely of characters found in mask.
If start or/and length is provided works like strspn(substr($s,$start,$len),$good_chars)
* Source code: ext/standard/string.c
* Alias to functions: none
*/
/*
* Testing strspn() : with varying mask and default start and len arguments
*/
echo "*** Testing strspn() : with different mask strings and default start and len arguments ***\n";
// initialing required variables
// defining different strings
$strings = array(
"",
'',
"\n",
'\n',
"hello\tworld\nhello\nworld\n",
'hello\tworld\nhello\nworld\n',
"1234hello45world\t123",
'1234hello45world\t123',
"hello\0world\012",
'hello\0world\012',
chr(0).chr(0),
chr(0)."hello\0world".chr(0),
chr(0).'hello\0world'.chr(0),
"hello".chr(0)."world",
'hello'.chr(0).'world',
"hello\0\100\xaaaworld",
'hello\0\100\xaaaworld'
);
// define the array of mask strings
$mask_array = array(
"",
'',
"f\n\trelshti \l",
'f\n\trelsthi \l',
"\telh",
"t\ ",
'\telh',
"felh\t\ ",
" \t",
"fhel\t\i\100\xa"
);
// loop through each element of the array for mask argument
$count = 1;
foreach($strings as $str) {
echo "\n-- Iteration $count --\n";
foreach($mask_array as $mask) {
var_dump( strspn($str,$mask) );
}
$count++;
}
echo "Done"
?>
--EXPECTF--
*** Testing strspn() : with different mask strings and default start and len arguments ***
-- Iteration 1 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 2 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 3 --
int(0)
int(0)
int(1)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(1)
-- Iteration 4 --
int(0)
int(0)
int(1)
int(2)
int(0)
int(1)
int(1)
int(1)
int(0)
int(1)
-- Iteration 5 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 6 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 7 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 8 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 9 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 10 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 11 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 12 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 13 --
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
int(0)
-- Iteration 14 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 15 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 16 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
-- Iteration 17 --
int(0)
int(0)
int(4)
int(4)
int(4)
int(0)
int(4)
int(4)
int(0)
int(4)
Done