3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ('1'){ echo mb_strtolower('мМама'); }

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)
8.3.40.0140.00018.48
8.3.30.0070.00719.09
8.3.20.0070.00020.16
8.3.10.0040.00423.53
8.3.00.0040.00419.16
8.2.170.0070.01022.96
8.2.160.0100.01020.52
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00620.79
8.2.110.0090.00022.27
8.2.100.0060.00617.48
8.2.90.0000.00719.22
8.2.80.0030.00617.97
8.2.70.0030.00617.38
8.2.60.0050.00217.80
8.2.50.0000.00818.07
8.2.40.0050.00319.84
8.2.30.0040.00418.19
8.2.20.0000.00817.68
8.2.10.0000.00817.92
8.2.00.0050.00317.67
8.1.270.0080.00023.97
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00623.84
8.1.230.0090.00319.23
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00617.22
8.1.180.0050.00518.10
8.1.170.0070.00318.71
8.1.160.0040.00422.06
8.1.150.0070.00018.61
8.1.140.0020.00517.36
8.1.130.0000.00717.81
8.1.120.0000.00717.28
8.1.110.0040.00417.37
8.1.100.0040.00417.33
8.1.90.0040.00317.38
8.1.80.0070.00017.45
8.1.70.0070.00017.36
8.1.60.0030.00617.42
8.1.50.0000.00717.46
8.1.40.0030.00817.36
8.1.30.0040.00417.52
8.1.20.0070.00417.58
8.1.10.0070.00017.54
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0060.00317.28
8.0.280.0040.00418.31
8.0.270.0070.00017.20
8.0.260.0000.00617.25
8.0.250.0020.00516.89
8.0.240.0030.00316.88
8.0.230.0000.00716.88
8.0.220.0030.00316.85
8.0.210.0040.00416.98
8.0.200.0040.00416.94
8.0.190.0070.00016.95
8.0.180.0040.00416.89
8.0.170.0050.00216.94
8.0.160.0070.00016.95
8.0.150.0070.00016.76
8.0.140.0000.00716.88
8.0.130.0040.00413.35
8.0.120.0080.00016.82
8.0.110.0040.00416.82
8.0.100.0040.00416.78
8.0.90.0000.00816.76
8.0.80.0090.00616.84
8.0.70.0030.00616.84
8.0.60.0070.00016.73
8.0.50.0040.00417.00
8.0.30.0120.00517.15
8.0.20.0120.00617.40
8.0.10.0050.00316.92
8.0.00.0120.00616.60
7.4.330.0050.00015.01
7.4.320.0060.00016.53
7.4.300.0040.00416.53
7.4.290.0070.00016.33
7.4.280.0040.00416.49
7.4.270.0030.00316.36
7.4.260.0000.00616.43
7.4.250.0070.00016.34
7.4.240.0030.00316.54
7.4.230.0000.00716.41
7.4.220.0110.01116.62
7.4.210.0050.01116.50
7.4.200.0040.00416.55
7.4.190.0040.00416.42
7.4.160.0130.00316.17
7.4.150.0130.00317.40
7.4.140.0060.01117.86
7.4.130.0100.00916.50
7.4.120.0100.01016.48
7.4.110.0110.00516.44
7.4.100.0100.00716.49
7.4.90.0110.00716.42
7.4.80.0060.01619.39
7.4.70.0070.01016.30
7.4.60.0140.00316.53
7.4.50.0000.00916.43
7.4.40.0130.01016.25
7.4.30.0120.00316.27
7.4.00.0030.01014.66
7.3.330.0020.00213.22
7.3.320.0000.00513.15
7.3.310.0030.00516.18
7.3.300.0070.00016.29
7.3.290.0100.00516.26
7.3.280.0100.00916.31
7.3.270.0130.01017.40
7.3.260.0100.00716.42
7.3.250.0140.00816.38
7.3.240.0140.00316.20
7.3.230.0140.00316.39
7.3.210.0090.00616.29
7.3.200.0100.00719.39
7.3.190.0090.00916.30
7.3.180.0040.01116.18
7.3.170.0060.01016.39
7.3.160.0030.01716.19
7.3.120.0080.00314.71
7.2.330.0120.00516.44
7.2.320.0060.01716.41
7.2.310.0120.00616.30
7.2.300.0110.00716.30
7.2.290.0040.01216.32
7.1.100.0070.00717.89
7.1.70.0000.00817.16
7.1.60.0090.01619.46
7.1.50.0110.00416.82
7.1.00.0100.07022.36
7.0.200.0090.00916.32
7.0.140.0070.06322.14
7.0.100.0300.07321.75
7.0.90.0100.05720.01
7.0.80.0100.08719.91
7.0.70.0070.05019.91
7.0.60.0130.07019.97
7.0.50.0030.05020.19
7.0.40.0130.07720.00
7.0.30.0130.07320.07
7.0.20.0170.07020.02
7.0.10.0070.06319.95
7.0.00.0070.09320.17
5.6.280.0070.07021.16
5.6.250.0100.07320.74
5.6.240.0130.07720.50
5.6.230.0030.07320.72
5.6.220.0030.08720.66
5.6.210.0100.04320.64
5.6.200.0070.07721.05
5.6.190.0100.03721.13
5.6.180.0030.05720.95
5.6.170.0070.07321.04
5.6.160.0030.08021.09
5.6.150.0000.09021.01
5.6.140.0170.07321.03
5.6.130.0100.06721.12
5.6.120.0100.08321.02
5.6.110.0100.07720.93
5.6.100.0070.04720.93
5.6.90.0000.06720.92
5.6.80.0030.08320.45
5.6.70.0130.06720.54
5.6.60.0100.07720.31
5.6.50.0070.08020.32
5.6.40.0070.08020.37
5.6.30.0070.08320.38
5.6.20.0130.07020.42
5.6.10.0100.08020.45
5.6.00.0030.07020.47
5.5.380.0200.07020.55
5.5.370.0030.06720.41
5.5.360.0100.08320.29
5.5.350.0030.06320.32
5.5.340.0130.07720.75
5.5.330.0130.07720.77
5.5.320.0130.04320.90
5.5.310.0100.07320.92
5.5.300.0130.04320.88
5.5.290.0070.05020.64
5.5.280.0030.04720.83
5.5.270.0230.06720.77
5.5.260.0100.03720.78
5.5.250.0130.07720.66
5.5.240.0170.06320.18
5.5.230.0030.08720.29
5.5.220.0030.08020.11
5.5.210.0030.05320.16
5.5.200.0070.08020.14
5.5.190.0130.07019.98
5.5.180.0100.04720.18
5.5.160.0130.07020.23
5.5.150.0030.08020.25
5.5.140.0100.05020.21
5.5.130.0030.08020.27
5.5.120.0130.07720.10
5.5.110.0070.06720.23
5.5.100.0100.07320.11
5.5.90.0100.07720.10
5.5.80.0000.08320.04
5.5.70.0070.05020.04
5.5.60.0070.08019.95
5.5.50.0170.07020.07
5.5.40.0030.05320.05
5.5.30.0030.07020.01
5.5.20.0130.07019.92
5.5.10.0170.06320.04
5.5.00.0100.08020.03
5.4.450.0100.08019.36
5.4.440.0000.09719.44
5.4.430.0100.06719.28
5.4.420.0070.07019.22
5.4.410.0100.06019.25
5.4.400.0030.04319.10
5.4.390.0130.07318.93
5.4.380.0070.04318.91
5.4.370.0100.06719.14
5.4.360.0070.08319.03
5.4.350.0170.06718.96
5.4.340.0070.07719.13
5.4.320.0200.05018.98
5.4.310.0030.07319.18
5.4.300.0030.08019.07
5.4.290.0030.08718.96
5.4.280.0130.08019.02
5.4.270.0070.08319.11
5.4.260.0070.07718.78
5.4.250.0070.04719.06
5.4.240.0170.06019.11
5.4.230.0130.06719.07
5.4.220.0230.04719.02
5.4.210.0000.06319.04
5.4.200.0030.07318.79
5.4.190.0100.05019.05
5.4.180.0070.08319.04
5.4.170.0030.06719.02
5.4.160.0000.08319.02
5.4.150.0000.07318.79
5.4.140.0070.07716.33
5.4.130.0130.03316.21
5.4.120.0070.07716.08
5.4.110.0100.07016.37
5.4.100.0030.07316.26
5.4.90.0100.04016.42
5.4.80.0070.07016.22
5.4.70.0070.05016.23
5.4.60.0100.07016.28
5.4.50.0030.08016.31
5.4.40.0030.08016.20
5.4.30.0000.04716.35
5.4.20.0100.06716.37
5.4.10.0130.06016.18
5.4.00.0070.07015.68
5.3.290.0130.03714.62
5.3.280.0000.04714.59
5.3.270.0030.05314.59
5.3.260.0130.07314.58
5.3.250.0070.07714.59
5.3.240.0070.08314.41
5.3.230.0070.07014.45
5.3.220.0170.06314.55
5.3.210.0000.05314.51
5.3.200.0100.07014.54
5.3.190.0030.05314.42
5.3.180.0070.04014.42
5.3.170.0100.07314.38
5.3.160.0100.07314.38
5.3.150.0170.06014.52
5.3.140.0100.07314.51
5.3.130.0130.06014.45
5.3.120.0170.06314.53
5.3.110.0030.08314.53
5.3.100.0030.07014.04
5.3.90.0130.03313.97
5.3.80.0070.05713.77
5.3.70.0070.06713.99
5.3.60.0100.04713.76
5.3.50.0070.06713.92
5.3.40.0070.04013.81
5.3.30.0100.05713.84
5.3.20.0170.06013.67
5.3.10.0130.06313.63
5.3.00.0070.06313.58
5.2.170.0000.06012.36
5.2.160.0030.06312.36
5.2.150.0000.03712.36
5.2.140.0030.06312.36
5.2.130.0030.04012.36
5.2.120.0070.06312.36
5.2.110.0130.05312.36
5.2.100.0070.06012.36
5.2.90.0130.04712.36
5.2.80.0030.04312.36
5.2.70.0030.03312.36
5.2.60.0070.06312.36
5.2.50.0070.06012.36
5.2.40.0000.06012.36
5.2.30.0030.06312.36
5.2.20.0100.05312.36
5.2.10.0030.02312.36
5.2.00.0000.05012.36
5.1.60.0030.04712.36
5.1.50.0000.02312.36
5.1.40.0070.04712.36
5.1.30.0000.06012.36
5.1.20.0070.05712.36
5.1.10.0030.04012.36
5.1.00.0000.03712.36
5.0.50.0000.03312.36
5.0.40.0030.04312.36
5.0.30.0070.05012.36
5.0.20.0070.04012.36
5.0.10.0000.04312.36
5.0.00.0000.07012.36
4.4.90.0100.03012.36
4.4.80.0030.03012.36
4.4.70.0070.01312.36
4.4.60.0030.01712.36
4.4.50.0030.03312.36
4.4.40.0000.02312.36
4.4.30.0030.03312.36
4.4.20.0000.01712.36
4.4.10.0030.03312.36
4.4.00.0100.02712.36
4.3.110.0000.02712.36
4.3.100.0070.03012.36
4.3.90.0000.03312.36
4.3.80.0030.04712.36
4.3.70.0000.02312.36
4.3.60.0070.02712.36
4.3.50.0000.03312.36
4.3.40.0070.04012.36
4.3.30.0000.03712.36
4.3.20.0000.03012.36
4.3.10.0000.02312.36
4.3.00.0070.01712.36

preferences:
39.53 ms | 400 KiB | 5 Q