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--TEST--
Test substr_count() function (variation - 1)
--FILE--
<?php
echo "\n*** Testing possible variations ***\n";
echo "-- 3rd or 4th arg as string --\n";
$str = "this is a string";
var_dump( substr_count($str, "t", "5") );
var_dump( substr_count($str, "t", "5", "10") );
var_dump( substr_count($str, "i", "5t") );
var_dump( substr_count($str, "i", "5t", "10t") );
echo "\n-- 3rd or 4th arg as NULL --\n";
var_dump( substr_count($str, "t", "") );
var_dump( substr_count($str, "T", "") );
var_dump( substr_count($str, "t", "", 15) );
var_dump( substr_count($str, "I", NULL) );
var_dump( substr_count($str, "i", NULL, 10) );
echo "\n-- overlapped substrings --\n";
var_dump( substr_count("abcabcabcabcabc", "abca") );
var_dump( substr_count("abcabcabcabcabc", "abca", 2) );
echo "\n-- complex strings containing other than 7-bit chars --\n";
$str = chr(128).chr(129).chr(128).chr(256).chr(255).chr(254).chr(255);
var_dump(substr_count($str, chr(128)));
var_dump(substr_count($str, chr(255)));
var_dump(substr_count($str, chr(256)));
echo "\n-- heredoc string --\n";
$string = <<<EOD
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
EOD;
var_dump(substr_count($string, "abcd"));
var_dump(substr_count($string, "1234"));
echo "\n-- heredoc null string --\n";
$str = <<<EOD
EOD;
var_dump(substr_count($str, "\0"));
var_dump(substr_count($str, "\x000"));
var_dump(substr_count($str, "0"));
echo "Done\n";
?>
--EXPECTF--
*** Testing possible variations ***
-- 3rd or 4th arg as string --
int(1)
int(1)
Notice: A non well formed numeric value encountered in %s on line %d
int(2)
Notice: A non well formed numeric value encountered in %s on line %d
Notice: A non well formed numeric value encountered in %s on line %d
int(2)
-- 3rd or 4th arg as NULL --
Warning: substr_count() expects parameter 3 to be long, string given %s on line %d
NULL
Warning: substr_count() expects parameter 3 to be long, string given %s on line %d
NULL
Warning: substr_count() expects parameter 3 to be long, string given %s on line %d
NULL
int(0)
int(2)
-- overlapped substrings --
int(2)
int(2)
-- complex strings containing other than 7-bit chars --
int(2)
int(2)
int(1)
-- heredoc string --
int(14)
int(16)
-- heredoc null string --
int(0)
int(0)
int(0)
Done