3v4l.org

run code in 300+ PHP versions simultaneously
<?php print substr('1234567',-3);

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)
8.3.60.0110.00616.38
8.3.50.0170.00319.67
8.3.40.0070.01418.71
8.3.30.0140.00018.96
8.3.20.0050.00320.22
8.3.10.0000.00723.66
8.3.00.0040.00419.38
8.2.180.0090.00618.18
8.2.170.0110.00422.96
8.2.160.0040.01220.27
8.2.150.0000.00824.18
8.2.140.0090.00624.66
8.2.130.0030.00526.16
8.2.120.0040.00420.87
8.2.110.0090.00020.52
8.2.100.0060.00618.09
8.2.90.0000.01018.93
8.2.80.0060.00317.97
8.2.70.0030.00617.38
8.2.60.0040.00417.90
8.2.50.0100.00018.07
8.2.40.0030.00517.91
8.2.30.0000.00818.04
8.2.20.0040.00417.51
8.2.10.0000.00717.91
8.2.00.0090.00017.54
8.1.270.0060.00323.91
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0060.00323.79
8.1.230.0110.00019.07
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0080.00617.23
8.1.190.0000.00917.10
8.1.180.0000.00818.10
8.1.170.0050.00318.64
8.1.160.0080.00021.98
8.1.150.0080.00018.78
8.1.140.0040.00417.36
8.1.130.0030.00317.76
8.1.120.0070.00017.23
8.1.110.0040.00417.31
8.1.100.0030.00417.36
8.1.90.0070.00017.33
8.1.80.0030.00517.21
8.1.70.0030.00317.27
8.1.60.0000.00717.45
8.1.50.0050.00317.42
8.1.40.0060.00317.36
8.1.30.0000.00817.38
8.1.20.0040.00417.52
8.1.10.0000.00717.41
8.1.00.0040.00317.25
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0000.00718.36
8.0.270.0070.00017.18
8.0.260.0030.00317.25
8.0.250.0030.00316.78
8.0.240.0050.00316.86
8.0.230.0000.00716.84
8.0.220.0000.00616.63
8.0.210.0000.00716.72
8.0.200.0040.00416.83
8.0.190.0000.00816.73
8.0.180.0040.00416.79
8.0.170.0080.00016.79
8.0.160.0070.00016.73
8.0.150.0030.00316.71
8.0.140.0040.00316.60
8.0.130.0000.00613.14
8.0.120.0000.00716.73
8.0.110.0040.00416.66
8.0.100.0040.00416.74
8.0.90.0000.00716.75
8.0.80.0120.00316.67
8.0.70.0030.00516.62
8.0.60.0000.00716.75
8.0.50.0000.00716.64
8.0.30.0110.01116.91
8.0.20.0170.00317.40
8.0.10.0000.00716.99
8.0.00.0110.00716.67
7.4.330.0030.00315.00
7.4.320.0060.00016.36
7.4.300.0030.00316.39
7.4.290.0000.00816.28
7.4.280.0030.00316.36
7.4.270.0030.00316.36
7.4.260.0030.00316.32
7.4.250.0040.00416.46
7.4.240.0040.00416.47
7.4.230.0070.00016.56
7.4.220.0070.01416.32
7.4.210.0100.00716.24
7.4.200.0000.00716.46
7.4.160.0040.01216.47
7.4.150.0070.01117.40
7.4.140.0110.00817.86
7.4.130.0050.01516.45
7.4.120.0080.00816.37
7.4.110.0100.01316.52
7.4.100.0030.01316.24
7.4.90.0160.00716.45
7.4.80.0140.00319.39
7.4.70.0070.01016.40
7.4.60.0070.01016.25
7.4.50.0000.00416.26
7.4.40.0100.00716.63
7.4.30.0040.01116.22
7.4.00.0030.01414.64
7.3.330.0000.00612.88
7.3.320.0000.00513.04
7.3.310.0000.00616.08
7.3.300.0060.00015.97
7.3.290.0090.00616.09
7.3.280.0080.00616.11
7.3.270.0160.00917.40
7.3.260.0030.01316.16
7.3.250.0110.00516.35
7.3.240.0100.00616.01
7.3.230.0360.02616.39
7.3.210.0040.01916.31
7.3.200.0030.01319.39
7.3.190.0130.00616.42
7.3.180.0100.01016.17
7.3.170.0120.00316.27
7.3.160.0040.01216.17
7.3.10.0100.00715.71
7.3.00.0180.00015.72
7.2.330.0070.01016.39
7.2.320.0110.01116.53
7.2.310.0070.01116.32
7.2.300.0150.00316.56
7.2.290.0070.01016.50
7.2.130.0210.00316.11
7.2.120.0040.01216.20
7.2.110.0160.00316.49
7.2.100.0160.00016.84
7.2.90.0000.01216.77
7.2.80.0080.00816.71
7.2.70.0170.00016.61
7.2.60.0100.00616.73
7.2.50.0040.00716.86
7.2.40.0090.00616.45
7.2.30.0030.00916.24
7.2.20.0040.00416.73
7.2.10.0120.00016.69
7.2.00.0110.00817.80
7.1.250.0030.00915.41
7.1.200.0070.00715.75
7.1.100.0060.00618.25
7.1.70.0000.00917.16
7.1.60.0060.01219.46
7.1.50.0040.00816.79
7.1.00.0000.08022.37
7.0.200.0050.00216.66
7.0.140.0030.07722.04
7.0.60.0130.07320.01
7.0.50.0030.08717.76
7.0.40.0070.05720.02
7.0.30.0470.04320.18
7.0.20.0230.07720.30
7.0.10.0100.05320.00
7.0.00.0070.04320.19
5.6.280.0000.07720.89
5.6.210.0170.06720.54
5.6.200.0100.08018.22
5.6.190.0070.08320.45
5.6.180.0370.04020.56
5.6.170.0330.06720.44
5.6.160.0030.05320.48
5.6.150.0000.05318.11
5.6.140.0070.08018.16
5.6.130.0000.06018.11
5.6.120.0100.06721.04
5.6.110.0070.08720.97
5.6.100.0100.03320.88
5.6.90.0100.08320.95
5.6.80.0070.08020.50
5.6.70.4570.04320.50
5.5.350.0100.08020.34
5.5.340.0130.06317.96
5.5.330.0070.04720.29
5.5.320.0030.07720.21
5.5.310.0200.04320.41
5.5.300.0000.07718.02
5.5.290.0030.04317.90
5.5.280.0100.05320.61
5.5.270.0000.04720.73
5.5.260.0030.08020.83
5.5.250.0070.08320.70
5.5.240.0230.07720.25
5.4.450.3770.03719.11
5.4.440.3530.04319.21
5.4.430.2970.03719.11
5.4.420.3570.04019.38
5.4.410.3230.03319.13
5.4.400.3630.02319.09
5.4.390.4930.03719.22
5.4.380.3730.03719.20
5.4.370.4000.03019.13
5.4.360.3630.04019.09
5.4.350.0030.04019.22
5.4.340.3900.04319.09
5.4.320.3430.03018.80
5.4.310.3430.04018.88
5.4.300.3600.03719.05
5.4.290.3370.04018.88
5.4.280.3600.04019.10
5.4.270.4170.03319.08
5.4.260.4600.03719.13
5.4.250.0030.04718.93
5.4.240.4370.04019.09
5.4.230.4600.03719.23
5.4.220.5070.04019.21
5.4.210.4300.04318.80
5.4.200.4100.03019.21
5.4.190.4300.03718.92
5.4.180.3630.04018.93
5.4.170.3730.04319.23
5.4.160.3670.04019.14
5.4.150.3670.04019.14
5.4.140.3470.03716.45
5.4.130.4000.03316.26
5.4.120.4030.03316.25
5.4.110.3870.04016.47
5.4.100.3470.04016.39
5.4.90.3630.04016.43
5.4.80.3630.03016.38
5.4.70.3930.03716.37
5.4.60.3770.03316.36
5.4.50.4330.03716.36
5.4.40.4200.03016.46
5.4.30.3630.04016.23
5.4.20.3930.03716.19
5.4.10.4230.04016.16
5.4.00.4430.02715.63
5.3.290.3600.03314.49
5.3.280.4370.03714.68
5.3.270.3970.03314.45
5.3.260.3570.03314.65
5.3.250.3600.04314.64
5.3.240.3530.04014.44
5.3.230.3670.03714.55
5.3.220.3630.03714.52
5.3.210.3570.03714.40
5.3.200.3670.03014.43
5.3.190.3470.03314.49
5.3.180.3700.04014.41
5.3.170.4030.03714.39
5.3.160.3930.03314.49
5.3.150.4270.03314.49
5.3.140.4100.03314.46
5.3.130.3770.04014.47
5.3.120.3830.03314.63
5.3.110.3970.03714.47
5.3.100.4270.04313.98
5.3.90.4000.03713.86
5.3.80.4330.04313.97
5.3.70.4330.03713.99
5.3.60.3870.03013.77
5.3.50.4000.03313.79
5.3.40.4130.04014.04
5.3.30.4330.03313.78
5.3.20.3870.03313.64
5.3.10.3630.03313.74
5.3.00.3530.04013.47
5.2.170.3600.03311.00
5.2.160.3870.02311.05
5.2.150.3770.02310.98
5.2.140.3730.02311.14
5.2.130.3300.03011.03
5.2.120.3070.02311.25
5.2.110.2830.03011.14
5.2.100.3170.02710.93
5.2.90.3500.02711.11
5.2.80.2570.03010.97
5.2.70.1500.02310.95
5.2.60.2330.03311.09
5.2.50.2570.02310.87
5.2.40.2130.03011.00
5.2.30.2170.03311.12
5.2.20.2370.02710.84
5.2.10.2100.02710.94
5.2.00.2300.02710.86
5.1.60.2500.0239.86
5.1.50.1930.0209.96
5.1.40.1930.0309.87
5.1.30.2200.02710.30
5.1.20.2230.02710.44
5.1.10.1830.0239.96
5.1.00.2300.02010.14
5.0.50.1170.0138.45
5.0.40.0870.0178.38
5.0.30.1270.0238.09
5.0.20.1200.0178.16
5.0.10.1070.0278.28
5.0.00.1370.0278.02
4.4.90.0470.0177.48
4.4.80.0970.0137.48
4.4.70.1170.0177.48
4.4.60.0730.0207.48
4.4.50.0900.0177.48
4.4.40.0900.0237.48
4.4.30.1130.0137.48
4.4.20.1130.0137.48
4.4.10.1130.0107.48
4.4.00.1170.0277.48
4.3.110.1170.0107.48
4.3.100.1230.0137.48
4.3.90.0900.0177.48
4.3.80.1200.0237.48
4.3.70.1100.0137.48
4.3.60.1100.0137.48
4.3.50.1530.0177.48
4.3.40.1270.0237.48
4.3.30.0700.0277.48
4.3.20.0670.0177.48
4.3.10.0700.0207.48
4.3.00.0730.0137.48

preferences:
41.82 ms | 400 KiB | 5 Q