3v4l.org

run code in 300+ PHP versions simultaneously
<?php substr('123456789', 6);

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)
8.3.40.0070.00718.54
8.3.30.0120.00918.88
8.3.20.0070.00020.21
8.3.10.0040.00421.73
8.3.00.0040.00418.92
8.2.170.0180.00322.96
8.2.160.0100.00320.55
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00320.78
8.2.110.0000.00822.07
8.2.100.0060.00617.59
8.2.90.0000.00817.85
8.2.80.0050.00220.61
8.2.70.0040.00417.91
8.2.60.0050.00217.68
8.2.50.0030.00518.10
8.2.40.0030.00520.55
8.2.30.0070.00319.02
8.2.20.0040.00417.61
8.2.10.0080.00017.87
8.2.00.0040.00417.55
8.1.270.0050.00320.39
8.1.260.0020.00526.35
8.1.250.0080.00028.09
8.1.240.0080.00023.83
8.1.230.0070.00420.78
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0080.00017.22
8.1.180.0000.00718.10
8.1.170.0050.00318.59
8.1.160.0000.00718.80
8.1.150.0070.00020.29
8.1.140.0080.00017.36
8.1.130.0000.00817.79
8.1.120.0000.00717.33
8.1.110.0020.00517.33
8.1.100.0020.00517.35
8.1.90.0050.00217.30
8.1.80.0070.00017.29
8.1.70.0030.00317.29
8.1.60.0030.00517.48
8.1.50.0000.00817.39
8.1.40.0060.00317.24
8.1.30.0060.00317.44
8.1.20.0000.00817.38
8.1.10.0050.00317.29
8.1.00.0030.00517.21
8.0.300.0080.00020.05
8.0.290.0080.00016.63
8.0.280.0030.00318.30
8.0.270.0000.00717.11
8.0.260.0000.00717.25
8.0.250.0000.00616.79
8.0.240.0040.00416.89
8.0.230.0030.00316.86
8.0.220.0030.00416.64
8.0.210.0050.00216.58
8.0.200.0030.00316.68
8.0.190.0030.00716.75
8.0.180.0030.00516.76
8.0.170.0030.00516.68
8.0.160.0030.00316.71
8.0.150.0000.00716.77
8.0.140.0030.00316.62
8.0.130.0040.00413.19
8.0.120.0030.00516.73
8.0.110.0040.00416.59
8.0.100.0000.00816.75
8.0.90.0050.00316.71
8.0.80.0070.01116.76
8.0.70.0040.00416.82
8.0.60.0000.00716.75
8.0.50.0000.00716.70
8.0.30.0090.01116.96
8.0.20.0090.00917.40
8.0.10.0040.00416.70
8.0.00.0080.00916.65
7.4.330.0030.00315.03
7.4.320.0000.00616.54
7.4.300.0000.00616.46
7.4.290.0060.00016.51
7.4.280.0060.00316.48
7.4.270.0000.00816.39
7.4.260.0000.00716.45
7.4.250.0030.00316.29
7.4.240.0050.00216.36
7.4.230.0040.00416.36
7.4.220.0120.00616.45
7.4.210.0140.00716.30
7.4.200.0000.00716.46
7.4.160.0030.01316.26
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0100.00716.27
7.4.120.0050.01116.34
7.4.110.0100.00916.43
7.4.100.0100.01316.52
7.4.90.0080.00916.25
7.4.80.0140.01119.39
7.4.70.0000.02216.34
7.4.60.0130.01016.37
7.4.50.0030.00616.11
7.4.40.0090.00616.28
7.4.30.0130.00616.48
7.4.00.0080.00914.74
7.3.330.0050.00012.96
7.3.320.0030.00312.86
7.3.310.0060.00016.08
7.3.300.0030.00316.11
7.3.290.0080.00816.11
7.3.280.0050.01116.11
7.3.270.0120.00817.40
7.3.260.0200.00316.21
7.3.250.0100.00816.13
7.3.240.0040.01216.30
7.3.230.0060.01016.39
7.3.210.0080.00816.17
7.3.200.0160.00719.39
7.3.190.0120.00316.14
7.3.180.0090.00716.17
7.3.170.0070.01016.27
7.3.160.0130.00316.18
7.3.120.0110.00314.57
7.3.110.0080.01014.63
7.3.100.0100.00714.75
7.3.90.0060.00814.73
7.3.80.0030.01114.65
7.3.70.0090.00514.79
7.3.60.0080.00814.63
7.3.50.0100.00314.80
7.3.40.0070.00514.56
7.3.30.0090.00614.52
7.3.20.0080.00716.47
7.3.10.0050.01016.42
7.3.00.0070.00416.51
7.2.330.0110.00716.36
7.2.320.0070.01016.43
7.2.310.0140.00416.32
7.2.300.0120.00616.29
7.2.290.0080.01616.33
7.2.250.0100.00714.93
7.2.240.0100.00814.88
7.2.230.0020.01514.79
7.2.220.0070.00514.91
7.2.210.0070.00914.83
7.2.200.0030.01014.73
7.2.190.0140.00214.86
7.2.180.0080.00614.86
7.2.170.0060.00614.62
7.2.110.0150.00416.33
7.2.80.0080.00416.20
7.2.60.0060.01016.62
7.2.00.0070.01318.87
7.1.330.0090.00515.61
7.1.320.0050.00815.57
7.1.310.0080.00915.79
7.1.300.0080.00715.59
7.1.290.0030.00715.64
7.1.280.0070.00515.66
7.1.270.0080.00715.69
7.1.260.0070.00515.76
7.1.200.0070.00415.78
7.1.100.0040.00718.03
7.1.70.0040.00417.07
7.1.60.0110.01519.57
7.1.50.0030.01616.67
7.1.00.0000.08022.31
7.0.200.0000.00716.76
7.0.140.0030.05322.06
7.0.110.0030.04319.94
7.0.100.0070.07019.94
7.0.90.0430.06020.02
7.0.80.0430.04319.92
7.0.70.0500.04719.87
7.0.60.0400.04019.98
7.0.50.0470.03319.94
7.0.40.0030.08019.70
7.0.30.0030.03719.68
7.0.20.0100.05019.74
7.0.10.0030.04019.59
7.0.00.0030.03719.83
5.6.280.0030.07321.09
5.6.260.0070.04320.56
5.6.250.0170.06320.66
5.6.240.0070.05720.71
5.6.230.0070.09020.68
5.6.220.0030.03720.61
5.6.210.0030.05720.67
5.6.200.0070.05020.61
5.6.190.0070.06720.54
5.6.180.0030.03720.60
5.6.170.0130.07320.70
5.6.160.0000.04720.57
5.6.150.0030.04320.61
5.6.140.0000.08320.61
5.6.130.0170.05720.64
5.6.120.0070.08020.55
5.6.110.0030.05720.54
5.6.100.0030.04320.60
5.6.90.0100.08020.61
5.6.80.0100.04719.93
5.6.70.0030.04019.91
5.6.60.0100.03319.91
5.6.50.0030.04019.96
5.6.40.0000.04319.99
5.6.30.0030.04719.91
5.6.20.0070.08719.95
5.6.10.0030.05019.92
5.6.00.0030.04019.89
5.5.380.0030.06017.62
5.5.370.0070.07717.51
5.5.360.0070.08017.64
5.5.350.0130.07317.56
5.5.340.0030.03317.89
5.5.330.0030.04717.83
5.5.320.0100.04318.25
5.5.310.0030.04718.00
5.5.300.0000.04718.25
5.5.290.0030.03717.99
5.5.280.0030.07018.16
5.5.270.0000.05318.16
5.5.260.0070.06718.11
5.5.250.0000.03718.06
5.5.240.0030.03717.48
5.5.230.0070.04017.22
5.5.220.0070.03317.27
5.5.210.0130.02717.39
5.5.200.0000.04017.48
5.5.190.0000.05717.19
5.5.180.0070.08017.45
5.5.160.0030.03317.51
5.5.150.0000.04317.33
5.5.140.0070.05717.51
5.5.130.0070.08017.37
5.5.120.0030.03717.21
5.5.110.0070.04017.12
5.5.100.0100.07017.41
5.5.90.0030.08317.01
5.5.80.0030.08017.14
5.5.70.0070.06717.26
5.5.60.0170.07017.41
5.5.50.0170.07017.50
5.5.40.0100.06717.01
5.5.30.0030.07317.00
5.5.20.0070.04717.35
5.5.10.0100.07017.08
5.5.00.0070.04317.10
5.4.450.0100.04319.28
5.4.440.0070.04019.28
5.4.430.0000.07319.32
5.4.420.0030.06719.40
5.4.410.0030.04719.18
5.4.400.0030.04319.13
5.4.390.0030.04719.12
5.4.380.0070.02719.03
5.4.370.0070.03319.00
5.4.360.0000.05319.03
5.4.350.0030.03719.13
5.4.340.0030.04019.01
5.4.320.0030.04318.91
5.4.310.0030.03719.10
5.4.300.0000.10019.16
5.4.290.0130.06719.24
5.4.280.0070.04319.02
5.4.270.0070.07018.98
5.4.260.0070.04019.11
5.4.250.0100.05319.11
5.4.240.0030.05718.94
5.4.230.0070.08019.09
5.4.220.0100.04018.96
5.4.210.0030.04018.94
5.4.200.0030.03719.02
5.4.190.0100.08018.99
5.4.180.0030.05719.07
5.4.170.0000.05018.99
5.4.160.0030.06319.11
5.4.150.0030.04719.23
5.4.140.0030.06016.46
5.4.130.0030.04716.25
5.4.120.0100.03016.35
5.4.110.0130.06716.48
5.4.100.0000.08016.40
5.4.90.0070.07016.49
5.4.80.0030.07016.39
5.4.70.0070.07316.23
5.4.60.0030.07316.16
5.4.50.0070.07016.55
5.4.40.0100.03016.40
5.4.30.0100.06316.49
5.4.20.0100.05716.49
5.4.10.0070.07016.48
5.4.00.0130.06315.71
5.3.290.0070.05014.74
5.3.280.0030.05014.59
5.3.270.0070.04314.43
5.3.260.0070.06314.63
5.3.250.0100.06314.68
5.3.240.0030.04714.60
5.3.230.0000.05314.49
5.3.220.0130.06714.66
5.3.210.0130.06014.42
5.3.200.0000.08014.49
5.3.190.0000.04714.45
5.3.180.0070.07014.35
5.3.170.0100.06014.51
5.3.160.0030.04714.59
5.3.150.0000.05014.39
5.3.140.0030.04014.35
5.3.130.0100.06714.48
5.3.120.0100.06714.42
5.3.110.0100.07314.43
5.3.100.0030.04013.98
5.3.90.0100.05713.91
5.3.80.0030.05014.12
5.3.70.0000.04313.79
5.3.60.0100.05013.93
5.3.50.0070.05313.76
5.3.40.0130.06013.87
5.3.30.0030.07013.83
5.3.20.0030.04013.47
5.3.10.0030.03713.53
5.3.00.0100.07013.57
5.2.170.0070.03311.91
5.2.160.0000.03011.91
5.2.150.0000.05311.91
5.2.140.0100.05311.91
5.2.130.0030.02711.91
5.2.120.0030.06011.91
5.2.110.0030.05011.91
5.2.100.0030.04711.91
5.2.90.0030.03711.91
5.2.80.0000.03011.91
5.2.70.0030.06311.91
5.2.60.0030.04311.91
5.2.50.0030.04711.91
5.2.40.0030.05711.91
5.2.30.0000.02311.91
5.2.20.0000.04711.91
5.2.10.0100.05011.91
5.2.00.0070.05011.91
5.1.60.0070.03711.91
5.1.50.0000.05711.91
5.1.40.0030.02711.91
5.1.30.0030.02711.91
5.1.20.0000.03011.91
5.1.10.0000.02711.91
5.1.00.0100.02311.91
5.0.50.0030.01711.91
5.0.40.0030.01711.91
5.0.30.0070.02311.91
5.0.20.0000.03711.91
5.0.10.0030.01711.91
5.0.00.0030.02711.91
4.4.90.0000.04011.91
4.4.80.0000.03011.91
4.4.70.0000.03311.91
4.4.60.0030.03011.91
4.4.50.0030.03011.91
4.4.40.0000.06011.91
4.4.30.0000.02311.91
4.4.20.0000.01711.91
4.4.10.0000.01711.91
4.4.00.0000.02711.91
4.3.110.0000.02011.91
4.3.100.0000.01311.91
4.3.90.0000.02311.91
4.3.80.0000.02011.91
4.3.70.0030.01011.91
4.3.60.0000.01311.91
4.3.50.0000.01711.91
4.3.40.0000.02711.91
4.3.30.0000.01311.91
4.3.20.0000.01711.91
4.3.10.0030.01311.91
4.3.00.0030.01311.91

preferences:
53.02 ms | 400 KiB | 5 Q