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($e,TRUE),4,' ')." // Don't worry, it rounds to zero! -_-"."\n";var_dump($e == 0, $e === 0, $e == -0, $e === -0);

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)
8.3.60.0120.00316.63
8.3.50.0120.00722.96
8.3.40.0060.00918.96
8.3.30.0070.00719.17
8.3.20.0080.00020.53
8.3.10.0080.00023.93
8.3.00.0050.00319.51
8.2.180.0130.01016.63
8.2.170.0070.00722.96
8.2.160.0100.00320.60
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.01126.16
8.2.120.0040.00421.27
8.2.110.0090.00020.47
8.2.100.0070.00418.16
8.2.90.0040.00418.00
8.2.80.0000.00918.91
8.2.70.0000.00818.16
8.2.60.0040.00418.21
8.2.50.0000.00918.10
8.2.40.0080.00019.49
8.2.30.0000.00718.12
8.2.20.0000.00717.88
8.2.10.0040.00418.12
8.2.00.0040.00417.75
8.1.280.0070.01025.92
8.1.270.0040.00424.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0040.00821.02
8.1.220.0090.00017.89
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0050.00317.64
8.1.180.0000.00818.10
8.1.170.0000.00818.84
8.1.160.0110.00018.99
8.1.150.0050.00218.91
8.1.140.0060.00317.64
8.1.130.0030.00317.93
8.1.120.0070.00017.69
8.1.110.0000.00817.61
8.1.100.0040.00417.66
8.1.90.0060.00317.50
8.1.80.0030.00317.66
8.1.70.0030.00317.67
8.1.60.0080.00017.76
8.1.50.0000.00717.72
8.1.40.0000.01017.67
8.1.30.0060.00317.75
8.1.20.0000.00717.75
8.1.10.0000.00717.76
8.1.00.0080.00017.61
8.0.300.0040.00418.77
8.0.290.0050.00317.00
8.0.280.0030.00618.54
8.0.270.0000.00817.07
8.0.260.0060.00017.35
8.0.250.0030.00316.98
8.0.240.0000.00717.16
8.0.230.0070.00017.07
8.0.220.0040.00417.10
8.0.210.0000.00616.93
8.0.200.0020.00517.14
8.0.190.0040.00417.03
8.0.180.0040.00416.99
8.0.170.0050.00317.08
8.0.160.0000.00716.96
8.0.150.0050.00517.03
8.0.140.0000.00717.06
8.0.130.0000.00713.50
8.0.120.0070.00017.03
8.0.110.0000.00816.98
8.0.100.0050.00217.09
8.0.90.0000.00716.98
8.0.80.0090.00617.02
8.0.70.0000.00916.89
8.0.60.0080.00017.14
8.0.50.0020.00517.19
8.0.30.0130.00817.32
8.0.20.0090.01017.45
8.0.10.0000.00817.07
8.0.00.0110.01016.95
7.4.330.0020.00215.31
7.4.320.0030.00316.68
7.4.300.0000.00616.78
7.4.290.0070.00016.79
7.4.280.0080.00016.77
7.4.270.0030.00316.61
7.4.260.0100.00016.72
7.4.250.0070.00016.68
7.4.240.0030.00316.67
7.4.230.0070.00016.51
7.4.220.0040.01416.68
7.4.210.0110.00416.57
7.4.200.0000.00716.54
7.4.160.0030.01716.59
7.4.150.0150.00417.40
7.4.140.0020.01517.86
7.4.130.0090.00916.59
7.4.120.0130.00516.68
7.4.110.0080.00816.55
7.4.100.0030.01316.76
7.4.90.0130.00616.77
7.4.80.0000.02119.39
7.4.70.0060.01316.66
7.4.60.0070.01016.63
7.4.50.0030.00616.59
7.4.40.0110.01116.75
7.4.30.0030.01716.66
7.4.00.0060.00915.43
7.3.330.0000.00613.30
7.3.320.0060.00013.45
7.3.310.0030.00316.62
7.3.300.0030.00316.50
7.3.290.0080.00516.66
7.3.280.0070.00716.56
7.3.270.0090.00917.40
7.3.260.0060.01116.61
7.3.240.0080.00817.02
7.3.230.0070.01116.39
7.3.210.0150.00316.66
7.3.200.0120.00619.39
7.3.190.0060.01216.78
7.3.180.0070.00716.56
7.3.170.0090.01216.59
7.3.160.0080.00816.68
7.2.330.0150.00816.74
7.2.320.0070.01416.54
7.2.310.0040.01317.00
7.2.300.0080.00816.62
7.2.290.0060.01017.00
7.1.70.0040.00717.57
7.1.60.0100.01419.40
7.1.50.0070.01117.36
7.1.00.0100.07023.01
7.0.200.0030.00717.00
7.0.140.0030.07022.43
7.0.60.0030.09020.43
7.0.50.0000.08018.38
7.0.40.0100.08720.36
7.0.30.0330.06320.32
7.0.20.0230.04320.35
7.0.10.0030.04320.64
7.0.00.0100.04020.49
5.6.280.0100.06721.45
5.6.210.0100.08021.04
5.6.200.0000.06018.53
5.6.190.0170.03720.92
5.6.180.0300.04321.08
5.6.170.0200.04020.71
5.6.160.0030.05320.81
5.6.150.0070.07018.45
5.6.140.0100.03318.54
5.6.130.0070.08318.49
5.6.120.0030.08721.47
5.6.110.0200.05721.46
5.6.100.0170.05721.48
5.6.90.0100.08021.51
5.6.80.0100.07720.82
5.5.350.0030.05720.77
5.5.340.0070.07018.25
5.5.330.0030.06020.71
5.5.320.0400.07020.61
5.5.310.0370.06720.71
5.5.300.0070.05718.41
5.5.290.0130.04318.32
5.5.280.0100.08321.14
5.5.270.0070.04721.03
5.5.260.0170.07021.27
5.5.250.0200.07321.19
5.5.240.0230.07020.58
5.4.450.0370.04319.47
5.4.440.0270.05019.74
5.4.430.0470.04719.55
5.4.420.0430.04719.60
5.4.410.0370.03319.77
5.4.400.0230.04719.38
5.4.390.0600.04319.37
5.4.380.0370.05718.84
5.4.370.0330.05318.65
5.4.360.0430.06318.66
5.4.350.0370.05018.81
5.4.340.0470.04718.80
5.4.320.0050.03712.52
5.4.310.0070.03612.51
5.4.300.0050.03812.52
5.4.290.0050.04012.51
5.4.280.0090.03312.41
5.4.270.0040.03712.41
5.4.260.0060.03912.41
5.4.250.0020.04112.41
5.4.240.0110.04212.41
5.4.230.0090.04012.40
5.4.220.0070.03412.40
5.4.210.0040.03712.40
5.4.200.0090.03512.40
5.4.190.0040.04012.39
5.4.180.0060.03712.39
5.4.170.0060.03912.41
5.4.160.0050.03612.41
5.4.150.0070.04012.40
5.4.140.0050.03812.08
5.4.130.0060.03512.07
5.4.120.0120.03812.03
5.4.110.0050.03612.03
5.4.100.0050.03612.03
5.4.90.0060.03512.03
5.4.80.0070.03812.03
5.4.70.0040.03712.02
5.4.60.0080.03312.02
5.4.50.0050.03512.02
5.4.40.0050.03412.01
5.4.30.0060.03512.01
5.4.20.0060.04112.01
5.4.10.0020.03812.00
5.4.00.0080.03411.50
5.3.290.0060.04012.80
5.3.280.0080.03612.71
5.3.270.0050.04012.73
5.3.260.0070.03912.72
5.3.250.0060.03812.72
5.3.240.0090.03912.72
5.3.230.0090.04612.71
5.3.220.0110.04312.68
5.3.210.0040.04512.68
5.3.200.0060.04012.68
5.3.190.0090.03412.68
5.3.180.0100.03812.68
5.3.170.0080.05312.66
5.3.160.0110.04812.67
5.3.150.0040.04812.67
5.3.140.0040.04012.66
5.3.130.0040.04112.66
5.3.120.0040.04112.66
5.3.110.0080.04012.66
5.3.100.0060.03612.13
5.3.90.0060.03712.12
5.3.80.0060.04112.11
5.3.70.0070.04112.11
5.3.60.0060.03612.09
5.3.50.0040.03812.04
5.3.40.0080.03412.03
5.3.30.0070.03411.99
5.3.20.0070.04011.77
5.3.10.0050.04011.74
5.3.00.0050.03711.73
5.2.170.0030.0329.20
5.2.160.0030.0319.20
5.2.150.0050.0299.20
5.2.140.0070.0309.20
5.2.130.0070.0269.16
5.2.120.0020.0309.16
5.2.110.0050.0289.17
5.2.100.0070.0269.16
5.2.90.0030.0309.16
5.2.80.0050.0299.16
5.2.70.0070.0279.16
5.2.60.0060.0289.11
5.2.50.0020.0319.08
5.2.40.0040.0289.06
5.2.30.0030.0309.03
5.2.20.0040.0289.02
5.2.10.0050.0278.98
5.2.00.0050.0288.83
5.1.60.0040.0248.12
5.1.50.0040.0248.11
5.1.40.0060.0228.10
5.1.30.0070.0238.45
5.1.20.0080.0238.46
5.1.10.0040.0338.20
5.1.00.0020.0268.19
5.0.50.0030.0236.67
5.0.40.0040.0196.53
5.0.30.0030.0326.34
5.0.20.0090.0136.33
5.0.10.0020.0216.30
5.0.00.0040.0296.30
4.4.90.0030.0214.78
4.4.80.0020.0194.75
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0020.0164.84
4.4.00.0030.0244.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0040.0134.63
4.3.80.0030.0234.59
4.3.70.0020.0154.63
4.3.60.0060.0114.63
4.3.50.0030.0154.63
4.3.40.0020.0244.55
4.3.30.0010.0173.35
4.3.20.0020.0173.32
4.3.10.0000.0173.29
4.3.00.0000.02315.98

preferences:
46 ms | 401 KiB | 5 Q