3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "zz"; $string - 1; echo $string;

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)
8.3.60.0060.00916.38
8.3.50.0220.01117.19
8.3.40.0100.01318.75
8.3.30.0110.00318.71
8.3.20.0080.00018.78
8.3.10.0060.00318.73
8.3.00.0080.00019.51
8.2.180.0150.00016.63
8.2.170.0150.00022.96
8.2.160.0120.00618.79
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0140.00020.66
8.2.110.0060.00319.36
8.2.100.0040.00817.72
8.2.90.0000.00820.54
8.2.80.0040.00817.97
8.2.70.0080.00017.49
8.2.60.0040.00417.63
8.2.50.0000.00917.93
8.2.40.0040.00419.88
8.2.30.0050.00517.60
8.2.20.0030.00517.42
8.2.10.0080.00017.61
8.2.00.0070.00017.69
8.1.280.0120.00625.92
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0100.00322.42
8.1.230.0040.00821.04
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0040.00417.13
8.1.190.0080.00417.13
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0040.00418.88
8.1.150.0000.01118.56
8.1.140.0070.00017.29
8.1.130.0030.00317.82
8.1.120.0040.00417.45
8.1.110.0050.00217.36
8.1.100.0030.00417.30
8.1.90.0050.00317.44
8.1.80.0000.00717.41
8.1.70.0070.00017.34
8.1.60.0060.00317.39
8.1.50.0000.00817.35
8.1.40.0090.00017.47
8.1.30.0060.00317.60
8.1.20.0060.00317.63
8.1.10.0050.00217.45
8.1.00.0080.00017.46
8.0.300.0070.00019.98
8.0.290.0050.00316.60
8.0.280.0000.00818.48
8.0.270.0040.00417.23
8.0.260.0080.00016.74
8.0.250.0080.00016.85
8.0.240.0070.00016.91
8.0.230.0030.00316.88
8.0.220.0030.00316.80
8.0.210.0070.00016.86
8.0.200.0000.00616.88
8.0.190.0020.00516.90
8.0.180.0000.00816.91
8.0.170.0090.00016.80
8.0.160.0000.00816.77
8.0.150.0000.00816.79
8.0.140.0000.00816.73
8.0.130.0000.00613.26
8.0.120.0000.00816.82
8.0.110.0000.00716.87
8.0.100.0040.00416.77
8.0.90.0040.00416.83
8.0.80.0100.00716.94
8.0.70.0080.00016.88
8.0.60.0040.00416.87
8.0.50.0040.00416.93
8.0.30.0110.01116.82
8.0.20.0100.01016.99
8.0.10.0070.00016.89
8.0.00.0090.01116.65
7.4.330.0000.00512.80
7.4.320.0000.00616.55
7.4.300.0070.00016.54
7.4.290.0070.00016.45
7.4.280.0000.00716.53
7.4.270.0030.00316.52
7.4.260.0000.00513.18
7.4.250.0040.00416.48
7.4.240.0040.00416.41
7.4.230.0030.00316.52
7.4.220.0070.01016.58
7.4.210.0040.01116.47
7.4.200.0000.00716.50
7.4.190.0000.00716.33
7.4.160.0050.01016.58
7.4.150.0070.01016.47
7.4.140.0110.00616.33
7.4.130.0130.00316.49
7.4.120.0070.01016.10
7.4.110.0150.00316.66
7.4.100.0060.01016.45
7.4.90.0100.00716.36
7.4.80.0070.01119.39
7.4.70.0060.01016.57
7.4.60.0120.00316.34
7.4.50.0080.00416.31
7.4.40.0080.00816.36
7.4.30.0130.00316.26
7.4.00.0030.01015.05
7.3.330.0030.00313.21
7.3.320.0030.00313.20
7.3.310.0070.00016.25
7.3.300.0030.00316.20
7.3.290.0040.01216.28
7.3.280.0070.00716.24
7.3.270.0090.00916.27
7.3.260.0130.00716.18
7.3.250.0110.00816.41
7.3.240.0040.01216.54
7.3.230.0030.01416.18
7.3.210.0140.00316.20
7.3.200.0070.01016.43
7.3.190.0030.01416.43
7.3.180.0080.00816.51
7.3.170.0060.01916.57
7.3.160.0090.00616.29
7.3.120.0090.00615.04
7.3.10.0070.00316.59
7.3.00.0040.00916.59
7.2.330.0060.01216.55
7.2.320.0100.00716.30
7.2.310.0040.01816.63
7.2.300.0100.00616.32
7.2.290.0120.00616.57
7.2.130.0040.00816.89
7.2.120.0030.01016.74
7.2.110.0000.01517.00
7.2.100.0060.00316.78
7.2.90.0090.00616.75
7.2.80.0130.00316.85
7.2.70.0060.00916.84
7.2.60.0070.00716.93
7.2.50.0120.00316.77
7.2.40.0080.00416.92
7.2.30.0130.00316.76
7.2.20.0030.01016.53
7.2.10.0040.00816.82
7.2.00.0060.00418.05
7.1.250.0060.00315.78
7.1.200.0030.01015.71
7.1.100.0030.01018.00
7.1.70.0000.00716.80
7.1.60.0140.01019.30
7.1.50.0060.01816.91
7.1.00.0000.05022.45
7.0.200.0130.00416.40
7.0.140.0070.07021.95
7.0.120.0070.07022.25
7.0.60.0000.04319.94
7.0.50.0200.06017.87
7.0.40.0070.07019.98
7.0.30.0430.04020.04
7.0.20.0330.07320.16
7.0.10.0300.06020.30
7.0.00.0130.06020.03
5.6.280.0030.07321.01
5.6.210.0000.08020.46
5.6.200.0000.04718.21
5.6.190.0100.07720.41
5.6.180.0300.07320.30
5.6.170.0370.05320.55
5.6.160.0000.05020.61
5.6.150.0070.05718.16
5.6.140.0030.08318.21
5.6.130.0030.06318.17
5.6.120.0070.04321.00
5.6.110.0030.08321.13
5.6.100.0100.07021.00
5.6.90.0100.08021.12
5.6.80.0030.04020.50
5.6.70.0270.07720.49
5.5.350.0170.06020.27
5.5.340.0000.04317.93
5.5.330.0170.08020.41
5.5.320.0100.07720.14
5.5.310.0130.05320.21
5.5.300.0030.04317.94
5.5.290.0000.05717.95
5.5.280.0030.09320.96
5.5.270.0130.08020.75
5.5.260.0070.06320.76
5.5.250.0130.07320.57
5.5.240.0100.07320.15
5.4.450.0430.03019.12
5.4.440.0300.04319.38
5.4.430.0470.06319.55
5.4.420.0370.05019.23
5.4.410.0370.03719.29
5.4.400.0470.03318.79
5.4.390.0400.05718.79
5.4.380.0430.04319.13
5.4.370.0370.03319.05
5.4.360.0300.04019.09
5.4.350.0430.03719.04
5.4.340.0300.04018.93
5.4.320.0300.04318.93
5.4.310.0300.04018.92
5.4.300.0400.03319.08
5.4.290.0300.04019.03
5.4.280.0300.04019.08
5.4.270.0330.03718.80
5.4.260.0400.03019.05
5.4.250.0530.04719.15
5.4.240.0330.03719.09
5.4.230.0330.04019.24
5.4.220.0300.04018.78
5.4.210.0400.05719.12
5.4.200.0330.03719.08
5.4.190.0330.04019.23
5.4.180.0500.05019.23
5.4.170.0370.03319.12
5.4.160.0300.04018.77
5.4.150.0400.05319.05
5.4.140.0370.03716.27
5.4.130.0370.04716.27
5.4.120.0330.04316.28
5.4.110.0330.04316.37
5.4.100.0330.03716.22
5.4.90.0330.04016.46
5.4.80.0330.03716.34
5.4.70.0370.03316.37
5.4.60.0330.04016.38
5.4.50.0330.04016.20
5.4.40.0370.03016.45
5.4.30.0370.06016.45
5.4.20.0470.06016.45
5.4.10.0370.03316.39
5.4.00.0400.03315.61
5.3.290.0370.04714.71
5.3.280.0370.04014.62
5.3.270.0400.04014.46
5.3.260.0300.04014.58
5.3.250.0330.04314.53
5.3.240.0430.03014.45
5.3.230.0270.04314.44
5.3.220.0330.03714.61
5.3.210.0300.04314.43
5.3.200.0470.02714.44
5.3.190.0300.04014.59
5.3.180.0330.03714.39
5.3.170.0330.03714.41
5.3.160.0330.03714.39
5.3.150.0370.03314.40
5.3.140.0300.04014.57
5.3.130.0370.03714.40
5.3.120.0300.04314.40
5.3.110.0430.03714.50
5.3.100.0370.07013.88
5.3.90.0370.06313.87
5.3.80.0330.04313.81
5.3.70.0330.03713.79
5.3.60.0470.04013.95
5.3.50.0300.04013.85
5.3.40.0300.04313.79
5.3.30.0330.04013.84
5.3.20.0370.03313.78
5.3.10.0400.03713.50
5.3.00.0470.06013.54
5.2.170.0230.03311.56
5.2.160.0370.05011.56
5.2.150.0330.05011.56
5.2.140.0270.03311.56
5.2.130.0270.03011.56
5.2.120.0330.02711.56
5.2.110.0330.05311.56
5.2.100.0330.03011.56
5.2.90.0270.03011.56
5.2.80.0270.03011.56
5.2.70.0270.03311.56
5.2.60.0270.03011.56
5.2.50.0270.04311.56
5.2.40.0230.03311.56
5.2.30.0300.02011.56
5.2.20.0230.02711.56
5.2.10.0270.03011.56
5.2.00.0330.03711.56
5.1.60.0300.01711.56
5.1.50.0330.04311.56
5.1.40.0200.02711.56
5.1.30.0200.03311.56
5.1.20.0230.02711.56
5.1.10.0270.02311.56
5.1.00.0370.01711.56
5.0.50.0130.03011.56
5.0.40.0100.03311.56
5.0.30.0100.03311.56
5.0.20.0100.02711.56
5.0.10.0130.02011.56
5.0.00.0100.03311.56
4.4.90.0130.01311.56
4.4.80.0130.01311.56
4.4.70.0130.02011.56
4.4.60.0130.01311.56
4.4.50.0100.01711.56
4.4.40.0100.02711.56
4.4.30.0130.02311.56
4.4.20.0070.02011.56
4.4.10.0130.02711.56
4.4.00.0100.02711.56
4.3.110.0100.02311.56
4.3.100.0070.03311.56
4.3.90.0170.02711.56
4.3.80.0170.02011.56
4.3.70.0130.01311.56
4.3.60.0170.01011.56
4.3.50.0100.01711.56
4.3.40.0200.01711.56
4.3.30.0100.01311.56
4.3.20.0130.01011.56
4.3.10.0070.03311.56
4.3.00.0100.01011.56

preferences:
57.46 ms | 401 KiB | 5 Q