3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('12345678910111213141516', -11);

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)
8.3.60.0100.00616.34
8.3.50.0110.00517.19
8.3.40.0120.00618.67
8.3.30.0070.00718.48
8.3.20.0040.00418.54
8.3.10.0000.00818.48
8.3.00.0050.00519.25
8.2.180.0090.01217.88
8.2.170.0110.00422.96
8.2.160.0100.00718.66
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00021.05
8.2.110.0080.00020.38
8.2.100.0080.00317.59
8.2.90.0000.00917.75
8.2.80.0000.00818.65
8.2.70.0050.00517.78
8.2.60.0000.00818.09
8.2.50.0030.00618.10
8.2.40.0030.00521.02
8.2.30.0040.00419.20
8.2.20.0050.00517.42
8.2.10.0040.00417.46
8.2.00.0110.00717.54
8.1.280.0140.00025.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0000.01121.82
8.1.230.0140.00020.95
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0040.00417.28
8.1.180.0000.00918.10
8.1.170.0030.00518.55
8.1.160.0040.00418.87
8.1.150.0000.00718.41
8.1.140.0050.00217.31
8.1.130.0030.00317.38
8.1.120.0000.00717.30
8.1.110.0050.00317.30
8.1.100.0030.00317.21
8.1.90.0020.00517.38
8.1.80.0070.00017.21
8.1.70.0070.00017.24
8.1.60.0000.00817.47
8.1.50.0040.00417.41
8.1.40.0000.00817.41
8.1.30.0040.00417.56
8.1.20.0080.00017.36
8.1.10.0020.00517.33
8.1.00.0000.00717.36
8.0.300.0000.00720.05
8.0.290.0000.00916.63
8.0.280.0030.00318.37
8.0.270.0030.00317.18
8.0.260.0030.00316.75
8.0.250.0040.00416.78
8.0.240.0000.00716.82
8.0.230.0000.00716.70
8.0.220.0030.00316.77
8.0.210.0040.00416.77
8.0.200.0030.00316.80
8.0.190.0000.00716.73
8.0.180.0000.01016.74
8.0.170.0000.00916.71
8.0.160.0000.00716.86
8.0.150.0040.00416.70
8.0.140.0030.00516.71
8.0.130.0060.00013.18
8.0.120.0000.00816.67
8.0.110.0000.00716.75
8.0.100.0040.00416.63
8.0.90.0030.00516.71
8.0.80.0030.01716.78
8.0.70.0040.00416.78
8.0.60.0090.00016.68
8.0.50.0030.00516.79
8.0.30.0100.00716.90
8.0.20.0120.00616.82
8.0.10.0000.00716.83
8.0.00.0100.01216.63
7.4.330.0050.00012.86
7.4.320.0030.00316.51
7.4.300.0050.00216.46
7.4.290.0060.00016.25
7.4.280.0050.00316.45
7.4.270.0030.00316.38
7.4.260.0030.00313.12
7.4.250.0000.00816.45
7.4.240.0070.00016.45
7.4.230.0070.00016.45
7.4.220.0130.00616.28
7.4.210.0030.01016.40
7.4.200.0030.00316.48
7.4.190.0070.00016.40
7.4.160.0100.00616.29
7.4.150.0180.00016.11
7.4.140.0110.00717.86
7.4.130.0080.01216.34
7.4.120.0070.01516.44
7.4.110.0070.01016.35
7.4.100.0100.00716.49
7.4.90.0100.01316.30
7.4.80.0130.00819.39
7.4.70.0070.01016.18
7.4.60.0090.01216.19
7.4.50.0000.00916.55
7.4.40.0030.01316.55
7.4.30.0110.00716.30
7.4.00.0100.00314.91
7.3.330.0000.00712.97
7.3.320.0030.00312.94
7.3.310.0040.00416.20
7.3.300.0000.00816.09
7.3.290.0040.01016.14
7.3.280.0080.01116.14
7.3.270.0110.00616.48
7.3.260.0030.01616.28
7.3.240.0070.01016.20
7.3.230.0100.01316.39
7.3.210.0090.00916.53
7.3.200.0100.00716.33
7.3.190.0190.00316.01
7.3.180.0060.00916.39
7.3.170.0140.00716.21
7.3.160.0090.00616.30
7.3.120.0060.00914.40
7.2.330.0120.00616.53
7.2.320.0100.00916.57
7.2.310.0090.01216.54
7.2.300.0090.01216.20
7.2.290.0070.01016.57
7.2.60.0000.01316.89
7.2.00.0000.01118.98
7.1.200.0000.01115.69
7.1.100.0000.00818.25
7.1.70.0030.00316.89
7.1.60.0080.01119.25
7.1.50.0220.01634.76
7.1.00.0070.03022.45
7.0.200.0030.00916.68
7.0.140.0170.06022.01
7.0.120.0030.07322.15
7.0.60.0070.08719.77
7.0.50.0070.07017.79
7.0.40.0000.04720.11
7.0.30.0170.05020.16
7.0.20.0270.05020.19
7.0.10.0030.04320.03
7.0.00.0070.05720.16
5.6.280.0070.07021.12
5.6.210.0070.07720.68
5.6.200.0100.06718.21
5.6.190.0000.09320.35
5.6.180.0400.08020.45
5.6.170.0300.07320.50
5.6.160.0030.06320.38
5.6.150.0030.04018.18
5.6.140.0030.06018.18
5.6.130.0070.07718.17
5.6.120.0100.09021.14
5.6.110.0070.08021.07
5.6.100.0070.08020.93
5.6.90.0030.05321.12
5.6.80.0070.03720.50
5.5.350.0230.08020.51
5.5.340.0030.04017.91
5.5.330.0130.07720.19
5.5.320.0430.07020.20
5.5.310.0330.02320.50
5.5.300.0000.05017.96
5.5.290.0070.05017.84
5.5.280.0070.03720.88
5.5.270.0100.08020.74
5.5.260.0130.07320.72
5.5.250.0100.03720.68
5.5.240.0070.07020.16
5.4.450.0100.06319.47
5.4.440.0030.06019.52
5.4.430.0070.06719.46
5.4.420.0130.05719.24
5.4.410.0070.05319.38
5.4.400.0070.08318.75
5.4.390.0000.08319.02
5.4.380.0100.07018.79
5.4.370.0030.04318.80
5.4.360.0030.03719.13
5.4.350.0000.04319.14
5.4.340.0030.04018.79
5.4.320.0000.04019.12
5.4.310.0030.04019.14
5.4.300.0070.03319.14
5.4.290.0070.03318.78
5.4.280.0030.03719.07
5.4.270.0000.04319.10
5.4.260.0000.04019.08
5.4.250.0030.03718.78
5.4.240.0070.04018.78
5.4.230.0030.03719.08
5.4.220.0070.03319.07
5.4.210.0000.04019.13
5.4.200.0030.03719.15
5.4.190.0000.04019.10
5.4.180.0100.03019.16
5.4.170.0100.03719.17
5.4.160.0170.03019.06
5.4.150.0030.03719.12
5.4.140.0030.03316.34
5.4.130.0000.04016.24
5.4.120.0000.03716.46
5.4.110.0000.03716.24
5.4.100.0070.04716.25
5.4.90.0100.06716.41
5.4.80.0100.04016.37
5.4.70.0100.07316.29
5.4.60.0100.07016.34
5.4.50.0030.05016.34
5.4.40.0200.06016.22
5.4.30.0070.03316.57
5.4.20.0030.03716.36
5.4.10.0130.07016.20
5.4.00.0070.06715.70
5.3.290.0030.03714.68
5.3.280.0000.04014.51
5.3.270.0030.03714.53
5.3.260.0030.03714.68
5.3.250.0030.03714.57
5.3.240.0070.03314.58
5.3.230.0000.04014.52
5.3.220.0000.04014.53
5.3.210.0030.04014.54
5.3.200.0000.04014.51
5.3.190.0070.05714.46
5.3.180.0130.06714.50
5.3.170.0200.06314.35
5.3.160.0130.05314.54
5.3.150.0130.04014.35
5.3.140.0070.06014.51
5.3.130.0030.08014.48
5.3.120.0070.07314.46
5.3.110.0000.08714.63
5.3.100.0030.05713.98
5.3.90.0030.07713.98
5.3.80.0100.07013.99
5.3.70.0030.07713.98
5.3.60.0070.05013.79
5.3.50.0070.07713.93
5.3.40.0100.06713.77
5.3.30.0030.07313.70
5.3.20.0070.07313.61
5.3.10.0070.07313.59
5.3.00.0070.07313.64
5.2.170.0130.05011.13
5.2.160.0000.05011.03
5.2.150.0030.04311.03
5.2.140.0170.04011.14
5.2.130.0000.05711.00
5.2.120.0030.06011.10
5.2.110.0070.06311.09
5.2.100.0100.05711.10
5.2.90.0030.06310.92
5.2.80.0030.06710.97
5.2.70.0070.06311.03
5.2.60.0070.06010.97
5.2.50.0070.04310.95
5.2.40.0130.05310.95
5.2.30.0130.05010.82
5.2.20.0000.05011.12
5.2.10.0000.07010.84
5.2.00.0030.06010.58
5.1.60.0030.0379.89
5.1.50.0070.05010.03
5.1.40.0030.0579.95
5.1.30.0000.05010.23
5.1.20.0030.05710.38
5.1.10.0100.05010.21
5.1.00.0070.05710.05
5.0.50.0100.0379.36
5.0.40.0000.0379.36
5.0.30.0030.0639.36
5.0.20.0030.0239.36
5.0.10.0000.0209.36
5.0.00.0070.0609.36
4.4.90.0000.0379.36
4.4.80.0000.0279.36
4.4.70.0000.0209.36
4.4.60.0030.0339.36
4.4.50.0000.0409.36
4.4.40.0030.0539.36
4.4.30.0000.0239.36
4.4.20.0030.0379.36
4.4.10.0000.0409.36
4.4.00.0000.0609.36
4.3.110.0030.0239.36
4.3.100.0070.0179.36
4.3.90.0030.0139.36
4.3.80.0100.0409.36
4.3.70.0030.0209.36
4.3.60.0070.0309.36
4.3.50.0000.0379.36
4.3.40.0000.0279.36
4.3.30.0000.0379.36
4.3.20.0000.0309.36
4.3.10.0030.0339.36
4.3.00.0000.0239.36

preferences:
77.92 ms | 401 KiB | 5 Q