3v4l.org

run code in 300+ PHP versions simultaneously
<?php substr('осем', 0);

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)
8.3.70.0030.01416.58
8.3.60.0100.01018.27
8.3.50.0160.00522.04
8.3.40.0090.00618.55
8.3.30.0070.00718.84
8.3.20.0030.00620.21
8.3.10.0080.00023.70
8.3.00.0000.00720.77
8.2.180.0190.00316.32
8.2.170.0130.00322.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.84
8.2.110.0060.00321.04
8.2.100.0060.00617.91
8.2.90.0000.00919.14
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0040.00417.80
8.2.50.0000.00918.09
8.2.40.0040.00420.42
8.2.30.0030.00318.09
8.2.20.0000.00817.58
8.2.10.0080.00017.99
8.2.00.0000.00717.45
8.1.280.0110.00425.92
8.1.270.0080.00023.75
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.69
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00316.98
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0030.00618.44
8.1.160.0030.00520.85
8.1.150.0040.00418.39
8.1.140.0070.00017.22
8.1.130.0030.00317.79
8.1.120.0000.00717.40
8.1.110.0030.00517.29
8.1.100.0000.00817.23
8.1.90.0000.00717.38
8.1.80.0050.00217.34
8.1.70.0030.00317.20
8.1.60.0040.00417.43
8.1.50.0040.00417.41
8.1.40.0040.00417.37
8.1.30.0030.00617.50
8.1.20.0040.00417.49
8.1.10.0030.00517.35
8.1.00.0000.00817.32
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00718.21
8.0.270.0000.00717.11
8.0.260.0000.00617.04
8.0.250.0000.00816.86
8.0.240.0000.00716.67
8.0.230.0040.00416.78
8.0.220.0080.00016.72
8.0.210.0030.00316.59
8.0.200.0000.00616.85
8.0.190.0030.00616.83
8.0.180.0040.00416.84
8.0.170.0050.00216.82
8.0.160.0000.00716.81
8.0.150.0040.00416.63
8.0.140.0070.00016.61
8.0.130.0040.00413.16
8.0.120.0040.00416.67
8.0.110.0000.00716.81
8.0.100.0050.00316.81
8.0.90.0050.00216.58
8.0.80.0070.01416.70
8.0.70.0040.00416.63
8.0.60.0030.00316.73
8.0.50.0000.00716.87
8.0.30.0100.01016.95
8.0.20.0140.00917.40
8.0.10.0040.00416.93
8.0.00.0090.00916.71
7.4.330.0000.00515.01
7.4.320.0060.00016.45
7.4.300.0000.00716.36
7.4.290.0070.00316.30
7.4.280.0070.00016.34
7.4.270.0040.00416.35
7.4.260.0100.00016.37
7.4.250.0080.00016.37
7.4.240.0020.00516.42
7.4.230.0030.00316.23
7.4.220.0110.00716.48
7.4.210.0080.00516.51
7.4.200.0070.00016.44
7.4.160.0030.01316.32
7.4.150.0060.01317.40
7.4.140.0130.00817.86
7.4.130.0070.01216.54
7.4.120.0120.00516.24
7.4.110.0070.01016.28
7.4.100.0150.00316.36
7.4.90.0060.01316.39
7.4.80.0110.01219.39
7.4.70.0120.00916.39
7.4.60.0060.01316.44
7.4.50.0040.00516.34
7.4.40.0130.00316.43
7.4.30.0030.01316.36
7.4.00.0120.00314.82
7.3.330.0000.00512.88
7.3.320.0000.00512.98
7.3.310.0000.00715.97
7.3.300.0030.00316.09
7.3.290.0140.00016.22
7.3.280.0090.00816.15
7.3.270.0100.01317.40
7.3.260.0140.00316.20
7.3.250.0070.01016.25
7.3.240.0110.00616.20
7.3.230.0030.01316.39
7.3.210.0090.00616.39
7.3.200.0080.00819.39
7.3.190.0030.01316.07
7.3.180.0090.00616.28
7.3.170.0120.00916.27
7.3.160.0030.01216.28
7.3.120.0080.00814.81
7.3.10.0080.00416.53
7.3.00.0070.00716.49
7.2.330.0070.01116.47
7.2.320.0150.00816.23
7.2.310.0030.01316.18
7.2.300.0150.00316.67
7.2.290.0200.00816.52
7.2.130.0040.00716.69
7.2.120.0000.01116.53
7.2.110.0070.00416.66
7.2.100.0000.00916.61
7.2.90.0040.00716.53
7.2.80.0060.00616.47
7.2.70.0040.00416.83
7.2.60.0000.01116.57
7.2.50.0000.01416.80
7.2.40.0030.00616.66
7.2.30.0060.00916.48
7.2.20.0000.01116.44
7.2.10.0060.00616.45
7.2.00.0020.00917.88
7.1.250.0070.00315.43
7.1.100.0070.00717.68
7.1.70.0080.00316.98
7.1.60.0120.01219.70
7.1.50.0090.01516.63
7.1.00.0030.07722.31
7.0.200.0000.00816.59
7.0.140.0030.07322.07
7.0.60.0100.06720.02
7.0.50.0230.03717.82
7.0.40.0070.04020.28
7.0.30.0130.04320.33
7.0.20.0130.05020.16
7.0.10.0070.06320.20
7.0.00.0030.09020.16
5.6.280.0070.07020.98
5.6.210.0070.04320.77
5.6.200.0030.06018.21
5.6.190.0030.04320.61
5.6.180.0270.05320.56
5.6.170.0270.04320.54
5.6.160.0030.06320.48
5.6.150.0130.06718.11
5.6.140.0170.07318.21
5.6.130.0070.06318.11
5.6.120.0070.08720.98
5.6.110.0100.08021.00
5.6.100.0070.06720.96
5.6.90.0030.06320.99
5.6.80.0100.07320.39
5.5.350.0230.04020.40
5.5.340.0000.05717.91
5.5.330.0030.05320.21
5.5.320.0100.03720.30
5.5.310.0300.04720.34
5.5.300.0130.04317.91
5.5.290.0100.07717.94
5.5.280.0030.08720.82
5.5.270.0070.05020.63
5.5.260.0100.06020.73
5.5.250.0000.09020.46
5.5.240.0030.08020.28
5.4.450.3300.03319.43
5.4.440.3430.04019.21
5.4.430.3630.04019.56
5.4.420.3230.03019.42
5.4.410.3130.03719.29
5.4.400.3100.03718.89
5.4.390.3270.04019.10
5.4.380.3330.03719.26
5.4.370.3270.03718.81
5.4.360.3300.03318.88
5.4.350.3430.04019.16
5.4.340.3130.04719.13
5.4.320.1370.04718.88
5.4.310.0030.07319.22
5.4.300.0070.07318.81
5.4.290.0670.07019.07
5.4.280.3630.04318.93
5.4.270.3270.03318.88
5.4.260.3430.04019.06
5.4.250.3400.04319.12
5.4.240.3170.03719.07
5.4.230.3200.03319.12
5.4.220.3470.04019.08
5.4.210.3430.03718.88
5.4.200.3570.03719.20
5.4.190.3330.04319.23
5.4.180.4030.04719.23
5.4.170.3470.03719.07
5.4.160.3430.04019.22
5.4.150.3330.04019.07
5.4.140.3430.03716.32
5.4.130.3500.03316.45
5.4.120.3230.03716.22
5.4.110.3570.02716.53
5.4.100.3430.03316.45
5.4.90.3570.02716.18
5.4.80.3470.03316.37
5.4.70.3630.03016.48
5.4.60.3270.02716.28
5.4.50.4100.03716.15
5.4.40.4000.03716.36
5.4.30.4100.03316.36
5.4.20.4030.03316.40
5.4.10.3630.03316.04
5.4.00.3170.03315.73
5.3.290.3430.04014.50
5.3.280.3270.02714.54
5.3.270.3400.03714.44
5.3.260.3500.03714.45
5.3.250.3170.04014.44
5.3.240.3270.03714.55
5.3.230.3430.04714.50
5.3.220.3670.04014.40
5.3.210.3500.03714.51
5.3.200.3470.03314.42
5.3.190.3430.04014.61
5.3.180.3200.03014.41
5.3.170.3430.04014.54
5.3.160.3400.03314.54
5.3.150.3270.04014.66
5.3.140.3300.04014.43
5.3.130.3230.03314.49
5.3.120.4030.04314.42
5.3.110.4130.04014.45
5.3.100.4130.03013.98
5.3.90.4000.03714.06
5.3.80.3800.03713.99
5.3.70.3770.04314.11

preferences:
34.44 ms | 401 KiB | 5 Q