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--TEST--
str_pad() function: usage variations - Non printable chars
--INI--
precision=14
--FILE--
<?php
// Split from str_pad for NUL Bytes
// 7-bit ASCII
$string = chr(0).chr(255).chr(128).chr(234).chr(143);
/* different pad_lengths */
$pad_lengths = [
-PHP_INT_MAX, // huge negative value
-1, // negative value
0, // pad_length < sizeof(input_string)
9, // pad_length <= sizeof(input_string)
10, // pad_length > sizeof(input_string)
16, // pad_length > sizeof(input_string)
];
$pad_string = "=";
/*loop through to use each variant of $pad_length on
each element of $input_strings array */
foreach ($pad_lengths as $pad_length ) {
// default pad_string & pad_type
var_dump( bin2hex( str_pad($string, $pad_length) ) );
// default pad_type
var_dump( bin2hex( str_pad($string, $pad_length, $pad_string) ) );
var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_LEFT) ) );
var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_RIGHT) ) );
var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_BOTH) ) );
}
?>
DONE
--EXPECT--
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(10) "00ff80ea8f"
string(18) "00ff80ea8f20202020"
string(18) "00ff80ea8f3d3d3d3d"
string(18) "3d3d3d3d00ff80ea8f"
string(18) "00ff80ea8f3d3d3d3d"
string(18) "3d3d00ff80ea8f3d3d"
string(20) "00ff80ea8f2020202020"
string(20) "00ff80ea8f3d3d3d3d3d"
string(20) "3d3d3d3d3d00ff80ea8f"
string(20) "00ff80ea8f3d3d3d3d3d"
string(20) "3d3d00ff80ea8f3d3d3d"
string(32) "00ff80ea8f2020202020202020202020"
string(32) "00ff80ea8f3d3d3d3d3d3d3d3d3d3d3d"
string(32) "3d3d3d3d3d3d3d3d3d3d3d00ff80ea8f"
string(32) "00ff80ea8f3d3d3d3d3d3d3d3d3d3d3d"
string(32) "3d3d3d3d3d00ff80ea8f3d3d3d3d3d3d"
DONE
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