@ 2020-08-05T13:41:59Z <?php
$bit1_flag= 1 << 7;
$bit2_flag= 1 << 6;
// (and i know the fugly for loop should be a do{}while() instead, anyone feel free to fix it, idc)
for($i=0;$i<PHP_INT_MAX;++$i){
$str=(string)$i;
$hash=hash("sha1",$str,true);
$ord=ord($hash[0]);
if(($ord & $bit1_flag) || ($ord & $bit2_flag)){
continue;
}
break;
}
function strtobits(string $str):string{
$ret="";
for($i=0;$i<strlen($str);++$i){
$ord=ord($str[$i]);
for($bitnum=7;$bitnum>=0;--$bitnum){
if($ord & (1<<$bitnum)){
$ret.="1";
}else{
$ret.="0";
}
}
}
return $ret;
}
var_dump($str,strtobits($hash),bin2hex($hash));
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Output for 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.34 , 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 - 8.3.4 , 8.3.6 string(1) "1"
string(160) "0011010101101010000110010010101101111001000100111011000001001100010101000101011101001101000110001100001010001101010001101110011000111001010101000010100010101011"
string(40) "356a192b7913b04c54574d18c28d46e6395428ab"
Output for 8.3.5 Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
string(1) "1"
string(160) "0011010101101010000110010010101101111001000100111011000001001100010101000101011101001101000110001100001010001101010001101110011000111001010101000010100010101011"
string(40) "356a192b7913b04c54574d18c28d46e6395428ab"
Output for 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 Parse error: syntax error, unexpected ':', expecting '{' in /in/uqPru on line 16
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected ':', expecting '{' in /in/uqPru on line 16
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/uqPru on line 16
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_STRING, expecting ')' in /in/uqPru on line 16
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `')'' in /in/uqPru on line 16
Process exited with code 255 . preferences:dark mode live preview
299.76 ms | 401 KiB | 468 Q