3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('Admin','Admin'); ?>

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)
8.3.60.0100.01016.75
8.3.50.0210.00822.06
8.3.40.0120.00318.84
8.3.30.0070.00719.13
8.3.20.0070.00020.21
8.3.10.0000.00723.54
8.3.00.0080.00019.26
8.2.180.0130.00316.50
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0000.00724.18
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00422.16
8.2.110.0130.00322.25
8.2.100.0080.00417.91
8.2.90.0080.00019.18
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0060.00317.65
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0000.00818.05
8.2.20.0000.00817.76
8.2.10.0030.00517.98
8.2.00.0040.00717.57
8.1.280.0100.00625.92
8.1.270.0040.00423.65
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0060.00318.88
8.1.230.0140.00019.00
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.30
8.1.180.0030.00618.10
8.1.170.0080.00018.30
8.1.160.0080.00021.93
8.1.150.0020.00518.45
8.1.140.0100.00017.30
8.1.130.0000.00717.75
8.1.120.0070.00017.39
8.1.110.0040.00417.34
8.1.100.0000.00717.27
8.1.90.0000.00717.31
8.1.80.0070.00017.27
8.1.70.0030.00317.31
8.1.60.0040.00717.35
8.1.50.0020.00517.43
8.1.40.0040.00417.43
8.1.30.0000.00917.50
8.1.20.0030.00517.59
8.1.10.0040.00417.39
8.1.00.0030.00517.34
8.0.300.0050.00318.77
8.0.290.0050.00317.04
8.0.280.0020.00518.43
8.0.270.0000.00717.18
8.0.260.0000.00617.12
8.0.250.0070.00016.96
8.0.240.0030.00316.96
8.0.230.0070.00016.83
8.0.220.0030.00316.88
8.0.210.0000.00716.81
8.0.200.0030.00316.93
8.0.190.0000.00716.84
8.0.180.0040.00416.88
8.0.170.0000.00916.90
8.0.160.0080.00016.93
8.0.150.0040.00416.86
8.0.140.0040.00416.86
8.0.130.0000.00813.29
8.0.120.0000.00816.75
8.0.110.0030.00516.84
8.0.100.0070.00016.73
8.0.90.0050.00216.89
8.0.80.0100.00616.93
8.0.70.0040.00416.75
8.0.60.0000.00816.86
8.0.50.0000.00816.75
8.0.30.0070.01017.05
8.0.20.0160.00417.40
8.0.10.0000.00716.82
8.0.00.0070.01316.68
7.4.330.0050.00015.00
7.4.320.0000.00616.48
7.4.300.0060.00016.46
7.4.290.0000.00716.29
7.4.280.0050.00216.27
7.4.270.0070.00016.48
7.4.260.0030.00316.44
7.4.250.0070.00016.41
7.4.240.0000.00716.26
7.4.230.0070.00016.32
7.4.220.0030.01316.26
7.4.210.0090.00616.44
7.4.200.0000.00716.57
7.4.190.0030.00316.62
7.4.160.0100.01016.50
7.4.150.0110.00617.40
7.4.140.0110.00617.86
7.4.130.0100.00816.39
7.4.120.0100.00716.45
7.4.110.0120.00916.58
7.4.100.0090.00916.37
7.4.90.0000.01716.47
7.4.80.0060.01319.39
7.4.70.0100.00716.45
7.4.60.0060.00916.42
7.4.50.0080.00016.07
7.4.40.0070.00722.77
7.4.30.0120.00316.34
7.4.00.0070.00714.88
7.3.330.0050.00012.98
7.3.320.0000.00613.07
7.3.310.0000.00716.11
7.3.300.0000.00716.09
7.3.290.0100.00316.21
7.3.280.0100.00816.17
7.3.270.0000.01717.40
7.3.260.0060.00916.20
7.3.250.0110.00716.35
7.3.240.0070.01016.37
7.3.230.0120.00316.39
7.3.210.0140.00616.36
7.3.200.0130.00719.39
7.3.190.0090.01316.37
7.3.180.0070.01016.39
7.3.170.0060.00916.27
7.3.160.0090.00616.33
7.3.120.0070.00714.74
7.2.330.0120.00616.30
7.2.320.0070.01016.56
7.2.310.0090.00616.47
7.2.300.0130.01016.41
7.2.290.0070.01016.33
7.2.60.0090.00616.77
7.2.00.0000.01019.46
7.1.200.0040.00715.52
7.1.100.0030.01017.95
7.1.70.0130.00416.70
7.1.60.0110.01119.46
7.1.50.0240.01034.66
7.1.00.0070.07322.42
7.0.200.0090.00516.47
7.0.140.0030.07322.21
7.0.120.0000.09022.10
7.0.110.0000.09021.93
7.0.100.0030.06022.03
7.0.90.0000.06021.98
7.0.80.0030.08322.00
7.0.70.0030.08722.01
7.0.60.0070.04021.66
7.0.50.0070.04022.00
7.0.40.0030.08320.13
7.0.30.0100.06020.12
7.0.20.0100.07720.11
7.0.10.0030.04019.93
7.0.00.0070.03720.13
5.6.280.0030.07320.90
5.6.270.0030.09020.78
5.6.260.0070.04720.77
5.6.250.0030.07720.98
5.6.240.0000.06320.70
5.6.230.0030.08320.73
5.6.220.0100.07321.04
5.6.210.0070.07020.91
5.6.200.0070.04321.02
5.6.190.0030.08720.77
5.6.180.0070.04320.72
5.6.170.0000.04320.97
5.6.160.0030.08020.91
5.6.150.0030.08321.03
5.6.140.0070.04020.79
5.6.130.0000.05020.95
5.6.120.0100.03720.93
5.6.110.0100.06321.02
5.6.100.0030.04320.85
5.6.90.0030.08321.00
5.6.80.0070.06020.07
5.6.70.0070.06720.21
5.6.60.0070.03720.37
5.6.50.0070.08320.24
5.6.40.0000.07320.32
5.6.30.0100.07320.34
5.6.20.0070.07020.32
5.6.10.0000.06020.29
5.6.00.0000.04720.36
5.5.380.0070.07317.58
5.5.370.0030.08317.46
5.5.360.0070.08017.43
5.5.350.0000.04017.59
5.5.340.0030.05018.13
5.5.330.0000.07717.87
5.5.320.0100.03718.13
5.5.310.0030.07017.85
5.5.300.0000.03718.02
5.5.290.0030.04018.00
5.5.280.0030.04718.02
5.5.270.0000.04717.84
5.5.260.0070.07718.16
5.5.250.0070.07017.83
5.5.240.0000.07017.25
5.5.230.0070.07017.22
5.5.220.0070.07317.53
5.5.210.0070.05717.36
5.5.200.0000.06317.60
5.5.190.0100.07017.33
5.5.180.0000.08017.48
5.5.160.0000.04017.21
5.5.150.0000.05017.60
5.5.140.0070.07717.34
5.5.130.0030.03717.35
5.5.120.0000.03717.23
5.5.110.0030.03717.44
5.5.100.0000.08017.51
5.5.90.0030.07317.11
5.5.80.0030.06017.37
5.5.70.0030.03717.41
5.5.60.0070.04317.34
5.5.50.0000.07717.34
5.5.40.0070.07017.23
5.5.30.0100.05317.26
5.5.20.0030.03017.39
5.5.10.0000.08017.09
5.5.00.0030.07017.36
5.4.450.0030.06719.21
5.4.440.0000.04019.37
5.4.430.0000.07719.27
5.4.420.0030.04019.30
5.4.410.0030.08019.27
5.4.400.0070.07319.23
5.4.390.0030.05018.97
5.4.380.0030.04018.89
5.4.370.0030.04019.05
5.4.360.0000.05718.90
5.4.350.0070.06018.93
5.4.340.0030.07718.90
5.4.320.0030.07019.05
5.4.310.0030.03718.98
5.4.300.0030.07319.12
5.4.290.0000.03319.11
5.4.280.0030.07318.95
5.4.270.0000.04018.98
5.4.260.0000.04018.90
5.4.250.0000.04019.11
5.4.240.0000.03318.91
5.4.230.0070.03019.19
5.4.220.0070.06018.95
5.4.210.0100.03319.19
5.4.200.0000.08319.02
5.4.190.0000.09019.21
5.4.180.0030.04719.10
5.4.170.0070.03718.94
5.4.160.0100.05718.88
5.4.150.0100.05319.00
5.4.140.0000.07016.11
5.4.130.0000.04716.39
5.4.120.0000.04016.39
5.4.110.0130.06716.08
5.4.100.0030.06016.18
5.4.90.0070.05716.32
5.4.80.0070.04016.07
5.4.70.0000.05016.11
5.4.60.0030.05016.33
5.4.50.0070.07316.45
5.4.40.0030.07316.35
5.4.30.0100.04016.15
5.4.20.0000.03016.29
5.4.10.0030.06016.15
5.4.00.0030.07715.62
5.3.290.0000.06314.68
5.3.280.0070.06314.63
5.3.270.0000.08014.49
5.3.260.0030.08014.54
5.3.250.0000.07314.54
5.3.240.0030.03714.61
5.3.230.0030.06014.57
5.3.220.0030.04314.48
5.3.210.0000.06714.57
5.3.200.0000.04714.50
5.3.190.0000.07714.66
5.3.180.0000.03714.42
5.3.170.0030.04314.49
5.3.160.0000.04714.55
5.3.150.0030.07014.61
5.3.140.0100.04714.56
5.3.130.0030.07314.48
5.3.120.0030.06714.33
5.3.110.0000.07014.49
5.3.100.0070.06714.03
5.3.90.0000.03013.86
5.3.80.0000.03014.03
5.3.70.0000.06014.03
5.3.60.0000.03014.09
5.3.50.0000.05713.81
5.3.40.0030.03714.01
5.3.30.0000.05713.83
5.3.20.0030.07013.63
5.3.10.0030.07013.71
5.3.00.0030.07013.46
5.2.170.0000.06311.03
5.2.160.0000.03311.07
5.2.150.0030.04010.92
5.2.140.0000.06011.08
5.2.130.0000.02311.11
5.2.120.0070.03711.03
5.2.110.0000.05711.04
5.2.100.0030.06711.16
5.2.90.0030.05311.25
5.2.80.0070.05711.02
5.2.70.0030.04311.03
5.2.60.0000.03310.93
5.2.50.0100.04711.01
5.2.40.0100.05010.94
5.2.30.0000.04011.04
5.2.20.0100.02710.86
5.2.10.0000.06010.85
5.2.00.0030.03710.79
5.1.60.0030.05710.05
5.1.50.0000.03010.23
5.1.40.0000.0309.95
5.1.30.0000.03010.34
5.1.20.0070.05310.35
5.1.10.0070.04010.02
5.1.00.0030.05310.23
5.0.50.0000.0509.69
5.0.40.0000.0239.69
5.0.30.0100.0439.69
5.0.20.0030.0409.69
5.0.10.0030.0479.69
5.0.00.0000.0679.69
4.4.90.0000.0339.69
4.4.80.0000.0179.69
4.4.70.0000.0179.69
4.4.60.0030.0339.69
4.4.50.0030.0309.69
4.4.40.0030.0339.69
4.4.30.0000.0239.69
4.4.20.0030.0239.69
4.4.10.0070.0309.69
4.4.00.0030.0509.69
4.3.110.0000.0209.69
4.3.100.0000.0379.69
4.3.90.0070.0309.69
4.3.80.0070.0539.69
4.3.70.0000.0239.69
4.3.60.0030.0179.69
4.3.50.0030.0379.69
4.3.40.0030.0379.69
4.3.30.0030.0139.69
4.3.20.0000.0379.69
4.3.10.0000.0379.69
4.3.00.0000.0379.69

preferences:
36.16 ms | 400 KiB | 5 Q