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<?php function strtod($hex) { preg_match('#([\da-f]+)\.?([\da-f]*)p#i', $hex, $parts); $i = 0; $fractional_part = array_reduce(str_split($parts[2]), function($sum, $part) use (&$i) { $sum += hexdec($part) * pow(16, --$i); return $sum; }); $decimal = (hexdec($parts[1]) + $fractional_part) * pow(2, array_pop(explode('+', $hex))); return $decimal; } $data = '406429c28f5c28f6'; $num = strtod($data); var_dump($num);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key 2 in /in/p0Hi7 on line 6 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/p0Hi7 on line 6 Warning: Undefined array key 1 in /in/p0Hi7 on line 12 Deprecated: hexdec(): Passing null to parameter #1 ($hex_string) of type string is deprecated in /in/p0Hi7 on line 12 Notice: Only variables should be passed by reference in /in/p0Hi7 on line 12 Warning: A non-numeric value encountered in /in/p0Hi7 on line 12 float(NAN)
Output for 8.0.0 - 8.0.30
Warning: Undefined array key 2 in /in/p0Hi7 on line 6 Warning: Undefined array key 1 in /in/p0Hi7 on line 12 Notice: Only variables should be passed by reference in /in/p0Hi7 on line 12 Warning: A non-numeric value encountered in /in/p0Hi7 on line 12 float(NAN)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 2 in /in/p0Hi7 on line 6 Notice: Undefined offset: 1 in /in/p0Hi7 on line 12 Notice: Only variables should be passed by reference in /in/p0Hi7 on line 12 Notice: A non well formed numeric value encountered in /in/p0Hi7 on line 12 float(NAN)
Output for 7.3.32 - 7.3.33
float(NAN)
Output for 7.0.0 - 7.0.33
Notice: Undefined offset: 2 in /in/p0Hi7 on line 6 Notice: Undefined offset: 1 in /in/p0Hi7 on line 12 Notice: Only variables should be passed by reference in /in/p0Hi7 on line 12 float(NAN)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined offset: 2 in /in/p0Hi7 on line 6 Notice: Undefined offset: 1 in /in/p0Hi7 on line 12 Strict Standards: Only variables should be passed by reference in /in/p0Hi7 on line 12 float(NAN)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/p0Hi7 on line 6
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/p0Hi7 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/p0Hi7 on line 6
Process exited with code 255.
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231.55 ms | 401 KiB | 460 Q