3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = base_convert("fffffffe",16,2); var_dump($num); $arr = str_split($num); for ($i=0,$max = count($arr)-1; $i <=$max; $i++) { if ($arr[$i] == '1' ) { $arr[$i] = '0'; } else if ($arr[$i] == '0') { $arr[$i] = '1'; } } $str = join('',$arr); var_dump($str); $converted = base_convert($str,2,16); $hex = '0x'.$converted; $a = gmp_add($hex,"1"); echo gmp_strval($a),'<BR>'; $a = -(gmp_intval($a)); var_dump($a);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00716.75
8.3.50.0130.00816.59
8.3.40.0060.01518.70
8.3.30.0110.00318.90
8.3.20.0080.00018.90
8.3.10.0040.00420.73
8.3.00.0040.00419.50
8.2.180.0110.01116.88
8.2.170.0110.00422.96
8.2.160.0040.01121.46
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00318.00
8.2.110.0070.00321.22
8.2.100.0070.00418.16
8.2.90.0070.00321.04
8.2.80.0050.00318.30
8.2.70.0060.00617.88
8.2.60.0050.00518.41
8.2.50.0000.01018.07
8.2.40.0080.00018.59
8.2.30.0060.00318.31
8.2.20.0030.00519.59
8.2.10.0000.00818.01
8.2.00.0000.00818.00
8.1.280.0150.00325.92
8.1.270.0030.00624.66
8.1.260.0000.01526.35
8.1.250.0050.00328.09
8.1.240.0070.00422.69
8.1.230.0120.00021.10
8.1.220.0000.00817.78
8.1.210.0090.00019.15
8.1.200.0030.00617.47
8.1.190.0030.00517.64
8.1.180.0000.00818.10
8.1.170.0040.00419.12
8.1.160.0050.00318.93
8.1.150.0030.00618.74
8.1.140.0040.00417.57
8.1.130.0040.00417.66
8.1.120.0030.00517.68
8.1.110.0000.00817.64
8.1.100.0070.00017.72
8.1.90.0040.00417.63
8.1.80.0070.00017.66
8.1.70.0000.00817.57
8.1.60.0000.00817.78
8.1.50.0060.00317.69
8.1.40.0050.00317.77
8.1.30.0000.00817.83
8.1.20.0080.00017.92
8.1.10.0040.00417.68
8.1.00.0000.00817.64
8.0.300.0040.00420.23
8.0.290.0000.00816.88
8.0.280.0040.00418.63
8.0.270.0000.00717.48
8.0.260.0020.00517.05
8.0.250.0040.00417.20
8.0.240.0030.00317.02
8.0.230.0030.00317.05
8.0.220.0060.00317.02
8.0.210.0000.00716.97
8.0.200.0030.00317.00
8.0.190.0000.00817.20
8.0.180.0070.00017.11
8.0.170.0000.00817.09
8.0.160.0040.00417.10
8.0.150.0000.00817.07
8.0.140.0060.00516.94
8.0.130.0050.00013.40
8.0.120.0070.00017.15
8.0.110.0050.00317.03
8.0.100.0000.00717.11
8.0.90.0000.00717.18
8.0.80.0120.00417.07
8.0.70.0040.00416.96
8.0.60.0000.00816.86
8.0.50.0080.00017.13
8.0.30.0120.00717.42
8.0.20.0110.00817.50
8.0.10.0050.00217.14
8.0.00.0130.01217.03
7.4.330.0050.00012.97
7.4.320.0050.00516.74
7.4.300.0030.00316.69
7.4.290.0020.00516.85
7.4.280.0090.00016.82
7.4.270.0000.00716.59
7.4.260.0000.00513.29
7.4.250.0000.00916.80
7.4.240.0000.00716.83
7.4.230.0040.00416.57
7.4.220.0090.01316.88
7.4.210.0070.00816.73
7.4.200.0070.00016.77
7.4.190.0050.00316.93
7.4.160.0110.00416.84
7.4.150.0150.00416.96
7.4.140.0050.01216.63
7.4.130.0120.00416.66
7.4.120.0090.00916.76
7.4.110.0090.00916.74
7.4.100.0110.01116.71
7.4.90.0150.00416.61
7.4.80.0080.01219.39
7.4.70.0060.01116.79
7.4.60.0130.00416.72
7.4.50.0070.00016.76
7.4.40.0050.00816.80
7.4.30.0030.01316.86
7.4.00.0090.00615.16
7.3.330.0030.00313.30
7.3.320.0000.00613.27
7.3.310.0050.00216.41
7.3.300.0000.00716.54
7.3.290.0130.00716.59
7.3.280.0080.00716.56
7.3.270.0090.00916.57
7.3.260.0110.00616.50
7.3.250.0110.00716.79
7.3.240.0090.00916.53
7.3.230.0070.01016.43
7.3.210.0140.00416.58
7.3.200.0120.00616.41
7.3.190.0100.01016.46
7.3.180.0030.01316.65
7.3.170.0130.00616.54
7.3.160.0080.00816.77
7.3.120.0050.00515.03
7.2.330.0000.01816.86
7.2.320.0080.00916.73
7.2.310.0080.01316.57
7.2.300.0100.00616.84
7.2.290.0110.00817.02
7.2.60.0000.01416.93
7.2.00.0000.00919.71
7.1.200.0000.00915.87
7.1.100.0040.00718.31
7.1.70.0000.00717.32
7.1.60.0070.01819.40
7.1.50.0100.01617.23
7.1.00.0070.04322.82
7.0.200.0290.00915.16
7.0.140.0100.06722.31
7.0.120.0070.07022.42
7.0.60.0000.08719.97
7.0.50.0070.08018.00
7.0.40.0100.07720.36
7.0.30.0170.04320.25
7.0.20.0270.06320.34
7.0.10.0070.05020.32
7.0.00.0100.08320.48
5.6.280.0100.06721.11
5.6.210.0030.07720.52
5.6.200.0070.03718.43
5.6.190.0070.06720.64
5.6.180.0130.06320.61
5.6.170.0330.07320.57
5.6.160.0130.07720.67
5.6.150.0030.05718.31
5.6.140.0200.06718.33
5.6.130.0270.04318.31
5.6.120.0200.06721.10
5.6.110.0100.05721.08
5.6.100.0070.08321.09
5.6.90.0170.07321.20
5.6.80.0100.05720.73
5.5.350.0000.08320.41
5.5.340.0070.04318.10
5.5.330.0030.08020.35
5.5.320.0300.05020.49
5.5.310.0270.03720.52
5.5.300.0070.03718.10
5.5.290.0130.06718.15
5.5.280.0030.09020.92
5.5.270.0030.04721.19
5.5.260.0070.05021.19
5.5.250.0000.04320.84
5.5.240.0100.07320.36
5.4.450.0100.07319.32
5.4.440.0100.04319.61
5.4.430.0100.08019.43
5.4.420.0030.05019.63
5.4.410.0070.03719.53
5.4.400.0100.04719.05
5.4.390.0070.07019.34
5.4.380.0030.04019.22
5.4.370.0070.06719.36
5.4.360.0070.04019.34
5.4.350.0000.05019.07
5.4.340.0100.05019.15
5.4.320.0130.04319.39
5.4.310.0200.06719.37
5.4.300.0100.07319.06
5.4.290.0100.07319.31
5.4.280.0030.06019.30
5.4.270.0070.06319.38
5.4.260.0030.06319.30
5.4.250.0030.03719.31
5.4.240.0030.03719.33
5.4.230.0070.04319.26
5.4.220.0070.03719.22
5.4.210.0000.04019.13
5.4.200.0100.03019.35
5.4.190.0070.03319.30
5.4.180.0070.03319.29
5.4.170.0070.03319.38
5.4.160.0100.03019.25
5.4.150.0000.04019.12
5.4.140.0030.03716.72
5.4.130.0000.03716.58
5.4.120.0000.03716.42
5.4.110.0000.04016.34
5.4.100.0000.03716.38
5.4.90.0030.03316.70
5.4.80.0130.02316.50
5.4.70.0030.03316.58
5.4.60.0030.03316.57
5.4.50.0070.03316.47
5.4.40.0030.03316.32
5.4.30.0030.03316.41
5.4.20.0030.03316.82
5.4.10.0030.03716.46
5.4.00.0000.03716.07
5.3.290.0130.07014.61
5.3.280.0070.03714.52
5.3.270.0000.04314.54
5.3.260.0070.03314.63
5.3.250.0030.05314.40
5.3.240.0030.03714.63
5.3.230.0030.03714.54
5.3.220.0030.03714.59
5.3.210.0030.03714.51
5.3.200.0030.04014.50
5.3.190.0070.03314.36
5.3.180.0070.03714.45
5.3.170.0030.03714.51
5.3.160.0130.03314.49
5.3.150.0100.03014.50
5.3.140.0000.03714.35
5.3.130.0030.03714.48
5.3.120.0000.04014.48
5.3.110.0000.04014.48
5.3.100.0030.03713.97
5.3.90.0000.03713.91
5.3.80.0070.04013.96
5.3.70.0000.03713.93
5.3.60.0030.03713.95
5.3.50.0030.03313.77
5.3.40.0000.05713.74
5.3.30.0030.04013.86
5.3.20.0070.05313.54
5.3.10.0170.03313.50
5.3.00.0070.04713.57
5.2.170.0070.03311.12
5.2.160.0070.04011.23
5.2.150.0000.03311.09
5.2.140.0000.07011.12
5.2.130.0100.05711.00
5.2.120.0030.05011.01
5.2.110.0070.06710.96
5.2.100.0130.05011.02
5.2.90.0000.03311.05
5.2.80.0100.03311.10
5.2.70.0070.06011.09
5.2.60.0130.05311.05
5.2.50.0070.02710.96
5.2.40.0030.06010.86
5.2.30.0070.03710.82
5.2.20.0030.06310.94
5.2.10.0000.03710.86
5.2.00.0100.05010.73
5.1.60.0070.03710.00
5.1.50.0100.0439.93
5.1.40.0070.0309.96
5.1.30.0030.03310.20
5.1.20.0070.05010.37
5.1.10.0000.04010.14
5.1.00.0000.03310.03
5.0.50.0030.0408.58
5.0.40.0030.0238.43
5.0.30.0030.0538.08
5.0.20.0070.0338.28
5.0.10.0000.0478.18
5.0.00.0000.0678.10
4.4.90.0000.0207.80
4.4.80.0000.0377.80
4.4.70.0030.0237.80
4.4.60.0070.0177.80
4.4.50.0000.0407.80
4.4.40.0000.0377.80
4.4.30.0000.0237.80
4.4.20.0070.0237.80
4.4.10.0000.0377.80
4.4.00.0000.0337.80
4.3.110.0000.0277.80
4.3.100.0070.0207.80
4.3.90.0000.0377.80
4.3.80.0070.0437.80
4.3.70.0070.0307.80
4.3.60.0000.0237.80
4.3.50.0030.0377.80
4.3.40.0000.0537.80
4.3.30.0000.0277.80
4.3.20.0030.0337.80
4.3.10.0030.0337.80
4.3.00.0030.0337.80

preferences:
42.33 ms | 401 KiB | 5 Q