3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 4121.57; $b = 3998; $c = 123.57; $d = round( $a - $b - $c, 2); $e = round( $d, 2 ); echo "\n"; echo str_pad(print_r($d,TRUE),4,' ')." // NEGATIVE ZERO?"."\n"; echo str_pad(print_r($e,TRUE),4,' ')." // Don't worry, it rounds to zero! -_-"."\n";

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)
8.3.60.0100.01018.52
8.3.50.0090.01122.89
8.3.40.0070.00718.75
8.3.30.0100.00319.17
8.3.20.0070.00020.46
8.3.10.0000.00823.74
8.3.00.0070.00717.63
8.2.180.0040.01116.63
8.2.170.0040.01119.02
8.2.160.0130.00722.96
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0100.01026.16
8.2.120.0040.00421.05
8.2.110.0000.00921.31
8.2.100.0060.00618.03
8.2.90.0050.00319.17
8.2.80.0000.00817.97
8.2.70.0070.00317.75
8.2.60.0000.00719.41
8.2.50.0060.00318.28
8.2.40.0000.00920.79
8.2.30.0040.00419.46
8.2.20.0000.00817.89
8.2.10.0000.00818.32
8.2.00.0040.00417.89
8.1.280.0060.01225.92
8.1.270.0000.00924.13
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00024.09
8.1.230.0110.00017.96
8.1.220.0050.00517.93
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0000.00817.48
8.1.180.0030.00618.10
8.1.170.0030.00618.78
8.1.160.0030.00619.01
8.1.150.0030.00620.36
8.1.140.0100.00017.67
8.1.130.0070.00017.95
8.1.120.0040.00417.58
8.1.110.0040.00417.72
8.1.100.0040.00317.64
8.1.90.0070.00317.64
8.1.80.0030.00417.54
8.1.70.0000.00717.63
8.1.60.0040.00417.81
8.1.50.0080.00017.62
8.1.40.0080.00017.69
8.1.30.0040.00417.83
8.1.20.0040.00417.86
8.1.10.0040.00417.60
8.1.00.0000.00817.54
8.0.300.0050.00218.77
8.0.290.0050.00317.00
8.0.280.0030.00318.52
8.0.270.0000.00717.52
8.0.260.0070.00017.32
8.0.250.0000.00717.06
8.0.240.0050.00317.02
8.0.230.0030.00517.04
8.0.220.0040.00417.15
8.0.210.0000.00717.14
8.0.200.0000.00717.20
8.0.190.0030.00317.18
8.0.180.0030.00617.12
8.0.170.0040.00417.11
8.0.160.0040.00416.97
8.0.150.0020.00617.06
8.0.140.0000.00716.95
8.0.130.0050.00513.54
8.0.120.0000.00817.07
8.0.110.0040.00417.01
8.0.100.0000.00717.21
8.0.90.0030.00517.16
8.0.80.0090.01217.04
8.0.70.0050.00317.06
8.0.60.0080.00017.05
8.0.50.0000.00716.82
8.0.30.0090.01017.12
8.0.20.0090.01017.46
8.0.10.0040.00416.94
8.0.00.0090.01016.88
7.4.330.0000.00515.17
7.4.320.0030.00316.79
7.4.300.0020.00516.68
7.4.290.0000.00716.72
7.4.280.0080.00016.73
7.4.270.0030.00316.68
7.4.260.0060.00316.55
7.4.250.0000.00716.63
7.4.240.0010.00616.74
7.4.230.0030.00516.39
7.4.220.0060.01216.59
7.4.210.0100.00616.68
7.4.200.0000.00716.64
7.4.160.0120.00416.67
7.4.150.0140.00417.40
7.4.140.0060.01117.86
7.4.130.0070.01016.71
7.4.120.0090.00816.61
7.4.110.0080.00816.49
7.4.100.0040.01516.54
7.4.90.0120.00616.76
7.4.80.0090.01219.39
7.4.70.0120.01216.80
7.4.60.0100.00716.74
7.4.50.0060.00316.50
7.4.40.0120.00616.52
7.4.30.0150.00616.77
7.4.00.0090.00915.08
7.3.330.0060.00013.35
7.3.320.0020.00213.47
7.3.310.0030.00516.59
7.3.300.0000.00716.44
7.3.290.0120.00916.55
7.3.280.0090.00716.55
7.3.270.0100.00717.40
7.3.260.0120.00616.94
7.3.250.0080.00916.53
7.3.240.0110.00516.65
7.3.230.0070.01116.86
7.3.210.0140.00416.58
7.3.200.0110.00719.39
7.3.190.0110.00716.68
7.3.180.0040.01216.89
7.3.170.0090.01216.47
7.3.160.0120.00316.71
7.2.330.0130.01117.05
7.2.320.0160.00916.76
7.2.310.0140.00916.95
7.2.300.0100.00617.02
7.2.290.0040.01516.91
7.2.00.0080.00819.74
7.1.200.0100.00316.02
7.1.100.0070.00418.27
7.1.70.0000.00817.57
7.1.60.0070.01719.40
7.1.50.0060.00617.15
7.1.00.0000.08022.75
7.0.200.0060.00617.19
7.0.140.0070.07322.28
7.0.60.0000.07720.43
7.0.50.0070.08018.34
7.0.40.0170.07720.71
7.0.30.0200.05020.41
7.0.20.0230.05020.31
7.0.10.0100.08720.44
7.0.00.0070.08020.64
5.6.280.0070.07021.20
5.6.210.0070.08321.03
5.6.200.0030.08018.60
5.6.190.0070.04720.73
5.6.180.0230.07320.94
5.6.170.0330.04020.78
5.6.160.0000.04320.92
5.6.150.0100.07718.44
5.6.140.0030.04718.52
5.6.130.0030.06018.43
5.6.120.0100.03321.43
5.6.110.0130.07321.46
5.6.100.0200.07321.52
5.6.90.0130.07721.44
5.6.80.0100.07320.85
5.5.350.0330.06720.80
5.5.340.0130.07318.29
5.5.330.0000.09020.59
5.5.320.0230.04020.65
5.5.310.0300.04320.65
5.5.300.0070.07018.45
5.5.290.0030.07318.34
5.5.280.0100.03321.27
5.5.270.0100.05721.21
5.5.260.0030.07321.32
5.5.250.0030.04321.10
5.5.240.0000.03320.48
5.4.450.0430.05319.82
5.4.440.0770.06019.80
5.4.430.0230.05319.88
5.4.420.0170.05019.71
5.4.410.0070.05719.76
5.4.400.0130.05719.04
5.4.390.0130.05019.24
5.4.380.0330.05318.84
5.4.370.0400.05018.89
5.4.360.0230.05718.68
5.4.350.0430.07318.88
5.4.340.0400.04718.77
5.4.320.0060.03712.51
5.4.310.0050.04512.50
5.4.300.0090.03212.51
5.4.290.0070.03612.51
5.4.280.0040.03912.40
5.4.270.0100.03412.41
5.4.260.0060.04212.41
5.4.250.0040.04012.41
5.4.240.0060.04412.41
5.4.230.0080.03912.40
5.4.220.0070.03612.40
5.4.210.0060.03512.40
5.4.200.0000.04312.40
5.4.190.0070.03412.39
5.4.180.0050.03712.39
5.4.170.0050.03712.41
5.4.160.0060.04012.40
5.4.150.0070.03812.40
5.4.140.0080.04112.08
5.4.130.0070.03512.07
5.4.120.0050.03612.03
5.4.110.0050.03612.02
5.4.100.0070.03312.02
5.4.90.0050.03712.02
5.4.80.0070.03512.02
5.4.70.0050.03412.02
5.4.60.0040.03512.02
5.4.50.0070.03312.02
5.4.40.0060.03412.00
5.4.30.0060.03412.00
5.4.20.0060.03512.00
5.4.10.0050.03612.00
5.4.00.0040.03811.49
5.3.290.0060.03812.80
5.3.280.0050.03712.71
5.3.270.0070.03712.73
5.3.260.0060.03912.72
5.3.250.0090.03412.72
5.3.240.0020.04112.72
5.3.230.0040.03912.71
5.3.220.0040.03812.68
5.3.210.0020.04212.68
5.3.200.0070.03712.68
5.3.190.0030.04112.68
5.3.180.0070.03512.67
5.3.170.0040.03812.67
5.3.160.0080.03412.67
5.3.150.0080.03712.68
5.3.140.0030.04012.66
5.3.130.0040.04012.66
5.3.120.0080.04012.66
5.3.110.0070.03812.66
5.3.100.0070.03512.13
5.3.90.0050.03712.11
5.3.80.0060.03512.11
5.3.70.0050.03612.11
5.3.60.0050.03612.09
5.3.50.0070.03512.03
5.3.40.0030.03812.04
5.3.30.0030.03811.99
5.3.20.0050.03611.77
5.3.10.0050.03511.74
5.3.00.0070.03511.73
5.2.170.0040.0319.20
5.2.160.0030.0309.20
5.2.150.0080.0369.20
5.2.140.0050.0429.20
5.2.130.0050.0289.16
5.2.120.0050.0279.16
5.2.110.0040.0309.16
5.2.100.0040.0299.16
5.2.90.0050.0289.16
5.2.80.0040.0319.16
5.2.70.0050.0309.16
5.2.60.0040.0309.11
5.2.50.0050.0349.08
5.2.40.0080.0259.05
5.2.30.0050.0299.03
5.2.20.0060.0319.02
5.2.10.0050.0308.98
5.2.00.0050.0278.83
5.1.60.0030.0248.12
5.1.50.0030.0258.11
5.1.40.0030.0318.09
5.1.30.0030.0268.44
5.1.20.0030.0288.47
5.1.10.0050.0268.19
5.1.00.0030.0268.20
5.0.50.0030.0216.67
5.0.40.0020.0206.53
5.0.30.0040.0326.34
5.0.20.0060.0196.32
5.0.10.0010.0226.30
5.0.00.0050.0356.29
4.4.90.0040.0154.78
4.4.80.0010.0164.75
4.4.70.0020.0154.75
4.4.60.0010.0174.76
4.4.50.0020.0154.77
4.4.40.0030.0254.71
4.4.30.0050.0194.76
4.4.20.0010.0174.84
4.4.10.0040.0174.85
4.4.00.0040.0244.76
4.3.110.0000.0184.67
4.3.100.0020.0154.66
4.3.90.0030.0134.63
4.3.80.0050.0214.60
4.3.70.0010.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0234.55
4.3.30.0020.0153.35
4.3.20.0040.0133.33
4.3.10.0010.0163.29
4.3.00.0100.0277.44

preferences:
54.65 ms | 401 KiB | 5 Q