@ 2014-09-12T22:35:45Z <?php
$debug = 0;
if (! $debug) { error_reporting(E_ERROR); }
else { error_reporting(E_ALL); }
$arr1 []= 'wello';
$var2 = 'woodbye wruel world';
$var3 = pack("n*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f);
$var4 = pack('n*', 0x7765, 0x6c6c, 0x6f00);
$var5 = pack('n*', 0x7765, 0x6c00, 0x6c6f);
if ($debug) {
echo "var3 = $var3\n";
var_dump($var4);
if ($var4 == $arr1[0]) {echo "$var3 == $arr1[0]"; }
if (! strcmp($var4, $arr1[0])) { echo "got a match with strcmp"; }
}
echo "TEsting poor_mans_strcmp()!\n";
poor_mans_strcmp('a', 'z');
poor_mans_strcmp('q111f', 'fffff');
poor_mans_strcmp($arr1, $var2);
poor_mans_strcmp($arr1[0], $var2);
poor_mans_strcmp($var2, $var2);
poor_mans_strcmp($arr1[0], $var3);
poor_mans_strcmp($arr1[0], $var4);
poor_mans_strcmp($arr1[0], $var5);
echo "trying the binary safe node!\n";
poor_mans_strcmp($arr1[0], $var3, 1);
poor_mans_strcmp($arr1[0], $var4, 1);
poor_mans_strcmp($arr1[0], $var5, 1);
echo "All tests succeeeded! Ready for producktion!\n";
function poor_mans_strcmp($str1, $str2, $binary_safe = 0)
{
global $debug;
# use old shell programming trick
$str3 = 'a' . $str1;
$str4 = 'a' . $str2;
if ($binary_safe)
{
# strip null bytes to make it binary safe!
$str3 = str_replace(chr(0), '', $str3);
$str4 = str_replace(chr(0), '', $str4);
}
if ($debug) {var_dump($str3, $str4);}
$result = 0;
if ($str3 < $str4) { echo "$str1 is LESSTHAN $str2\n"; $result = -1; }
if ($str3 > $str4) { if ($result == -1) {echo "Serious error detected, keep on trucking!\n";} $result = 1; echo "$str1 is GREATERTHAN $str2\n"; }
if ($result == 0) {echo "MATCH: $str1 with $str2\n";}
return $result;
}
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Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 TEsting poor_mans_strcmp()!
a is LESSTHAN z
q111f is GREATERTHAN fffff
Array is LESSTHAN woodbye wruel world
wello is LESSTHAN woodbye wruel world
MATCH: woodbye wruel world with woodbye wruel world
wello is GREATERTHAN w e l l o
wello is LESSTHAN wello
wello is GREATERTHAN wel lo
trying the binary safe node!
MATCH: wello with w e l l o
MATCH: wello with wello
MATCH: wello with wel lo
All tests succeeeded! Ready for producktion!
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284 ms | 407 KiB | 464 Q