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run code in 300+ PHP versions simultaneously
<?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));
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
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.
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137.41 ms | 412 KiB | 5 Q