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--TEST--
Test strrchr() function : usage variations - binary safe
--FILE--
<?php
/* Prototype : string strrchr(string $haystack, string $needle);
* Description: Finds the last occurrence of a character in a string.
* Source code: ext/standard/string.c
*/
/* Test strrchr() function: with binary values & null terminated strings passed to 'str1' & 'str2' */
echo "*** Test strrchr() function: binary safe ***\n";
$haystacks = array(
"Hello".chr(0)."World",
chr(0)."Hello World",
"Hello World".chr(0),
chr(0).chr(0).chr(0),
"Hello\0world",
"\0Hello",
"Hello\0"
);
for($index = 0; $index < count($haystacks); $index++ ) {
//needle as null string
var_dump( strrchr($haystacks[$index], "\0") );
//needle as NULL
var_dump( strrchr($haystacks[$index], NULL) );
}
echo "*** Done ***";
?>
--EXPECTF--
*** Test strrchr() function: binary safe ***
string(6) " World"
string(6) " World"
string(12) " Hello World"
string(12) " Hello World"
string(1) " "
string(1) " "
string(1) " "
string(1) " "
string(6) " world"
string(6) " world"
string(6) " Hello"
string(6) " Hello"
string(1) " "
string(1) " "
*** Done ***