3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtolower("efsfDFDSDFFFFFFFFD");

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)
8.3.60.0100.00716.50
8.3.50.0120.00721.89
8.3.40.0070.00718.79
8.3.30.0040.01418.86
8.3.20.0040.00420.15
8.3.10.0090.00023.61
8.3.00.0070.00020.84
8.2.180.0080.00818.41
8.2.170.0040.01122.96
8.2.160.0130.00620.53
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0130.00626.16
8.2.120.0080.00022.30
8.2.110.0040.00422.25
8.2.100.0050.00517.78
8.2.90.0040.00419.05
8.2.80.0030.00617.97
8.2.70.0030.00917.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00718.09
8.2.30.0000.00717.99
8.2.20.0070.00017.54
8.2.10.0000.00817.58
8.2.00.0000.00717.52
8.1.280.0070.00725.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0080.00418.76
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.11
8.1.190.0050.00217.28
8.1.180.0040.00418.10
8.1.170.0050.00318.33
8.1.160.0050.00321.92
8.1.150.0040.00418.50
8.1.140.0040.00417.31
8.1.130.0040.00417.77
8.1.120.0000.00717.37
8.1.110.0040.00417.23
8.1.100.0080.00017.20
8.1.90.0050.00217.29
8.1.80.0000.00717.32
8.1.70.0030.00317.23
8.1.60.0030.00617.48
8.1.50.0040.00417.38
8.1.40.0000.00817.39
8.1.30.0060.00317.49
8.1.20.0050.00217.47
8.1.10.0070.00017.41
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0050.00217.05
8.0.280.0030.00318.28
8.0.270.0030.00317.18
8.0.260.0060.00016.74
8.0.250.0030.00316.88
8.0.240.0030.00316.90
8.0.230.0000.00716.87
8.0.220.0050.00316.64
8.0.210.0070.00016.74
8.0.200.0070.00016.86
8.0.190.0080.00016.86
8.0.180.0020.00516.75
8.0.170.0040.00416.79
8.0.160.0050.00316.68
8.0.150.0030.00316.65
8.0.140.0030.00316.60
8.0.130.0070.00013.16
8.0.120.0040.00416.77
8.0.110.0030.00516.63
8.0.100.0040.00416.79
8.0.90.0040.00416.65
8.0.80.0120.00316.66
8.0.70.0000.00716.69
8.0.60.0040.00416.71
8.0.50.0000.00716.60
8.0.30.0100.01116.75
8.0.20.0060.01117.40
8.0.10.0080.00016.93
8.0.00.0080.01216.69
7.4.330.0060.00015.00
7.4.320.0060.00016.38
7.4.300.0050.00216.37
7.4.290.0030.00316.35
7.4.280.0070.00016.48
7.4.270.0030.00316.51
7.4.260.0030.00316.29
7.4.250.0020.00516.33
7.4.240.0050.00316.49
7.4.230.0000.00716.21
7.4.220.0120.00616.38
7.4.210.0040.01316.45
7.4.200.0030.00316.36
7.4.190.0030.00316.22
7.4.160.0060.00916.46
7.4.150.0030.01517.40
7.4.140.0120.01217.86
7.4.130.0080.00816.33
7.4.120.0110.00616.47
7.4.110.0070.01016.38
7.4.100.0130.00416.50
7.4.90.0130.02016.15
7.4.80.0100.00719.39
7.4.70.0080.00816.31
7.4.60.0100.00716.38
7.4.50.0080.00016.38
7.4.40.0030.00722.77
7.4.30.0130.00316.15
7.4.00.0040.01214.76
7.3.330.0000.00612.93
7.3.320.0060.00012.84
7.3.310.0000.00716.00
7.3.300.0030.00316.16
7.3.290.0060.01216.21
7.3.280.0100.00616.15
7.3.270.0090.00917.40
7.3.260.0090.00916.22
7.3.250.0110.00716.34
7.3.240.0030.01316.46
7.3.230.0100.00616.45
7.3.210.0030.01316.25
7.3.200.0090.01619.39
7.3.190.0080.01316.43
7.3.180.0070.01016.23
7.3.170.0060.01016.27
7.3.160.0100.00616.03
7.3.120.0030.01014.83
7.2.330.0140.00716.19
7.2.320.0090.00916.30
7.2.310.0150.00616.38
7.2.300.0070.01316.57
7.2.290.0070.01116.39
7.2.00.0030.00919.39
7.1.200.0110.00015.69
7.1.100.0160.00617.73
7.1.70.0000.01116.89
7.1.60.0150.01119.29
7.1.50.0120.01216.48
7.1.00.0070.07322.45
7.0.200.0040.00416.50
7.0.140.0000.07721.97
7.0.60.0130.07719.88
7.0.50.0100.07717.84
7.0.40.0100.06020.21
7.0.30.0270.08020.12
7.0.20.0230.03320.33
7.0.10.0100.07320.09
7.0.00.0000.04320.17
5.6.280.0070.07020.90
5.6.210.0070.03720.59
5.6.200.0070.05018.12
5.6.190.0170.06720.60
5.6.180.0500.07020.27
5.6.170.0270.07320.49
5.6.160.0030.06020.48
5.6.150.0070.04318.22
5.6.140.0000.04018.08
5.6.130.0130.06718.18
5.6.120.0100.08321.01
5.6.110.0200.05020.98
5.6.100.0070.07320.99
5.6.90.0070.03720.96
5.6.80.0070.05720.38
5.5.350.3970.03720.45
5.5.340.0000.04018.02
5.5.330.0030.04020.21
5.5.320.0100.07720.29
5.5.310.0270.04320.50
5.5.300.0130.03717.92
5.5.290.0070.04017.95
5.5.280.0130.04320.76
5.5.270.0030.06320.95
5.5.260.0070.07020.79
5.5.250.0100.04320.68
5.5.240.0030.07320.25
5.4.450.3300.03719.25
5.4.440.3570.03719.46
5.4.430.4070.06719.38
5.4.420.3500.04319.54
5.4.410.3300.04019.33
5.4.400.3330.03319.14
5.4.390.3000.04318.79
5.4.380.3400.03019.18
5.4.370.3200.03719.11
5.4.360.3200.03318.92
5.4.350.3030.04019.14
5.4.340.3130.04019.25
5.4.320.3170.03319.10
5.4.310.3030.03719.24
5.4.300.3400.03319.09
5.4.290.3270.04319.23
5.4.280.3100.03719.08
5.4.270.3100.03319.08
5.4.260.3030.03719.06
5.4.250.3670.03719.07
5.4.240.3270.04019.05
5.4.230.3300.04019.07
5.4.220.3800.03719.12
5.4.210.2970.03719.13
5.4.200.3470.04019.24
5.4.190.3000.03319.12
5.4.180.2700.03719.23
5.4.170.3130.04019.21
5.4.160.2630.03719.11
5.4.150.3270.04019.06
5.4.140.3470.04716.22
5.4.130.3300.03716.36
5.4.120.3300.03316.32
5.4.110.3070.04016.08
5.4.100.3030.03716.43
5.4.90.3230.03016.43
5.4.80.3030.04716.44
5.4.70.2970.04316.39
5.4.60.2900.04016.06
5.4.50.3230.03716.31
5.4.40.2970.03316.19
5.4.30.3330.03716.45
5.4.20.3230.03716.27
5.4.10.4070.02716.31
5.4.00.3230.04015.75
5.3.290.3330.03314.61
5.3.280.3430.04714.62
5.3.270.3270.04014.48
5.3.260.3130.04014.47
5.3.250.3500.04714.56
5.3.240.3500.04714.63
5.3.230.2900.04314.64
5.3.220.3000.03314.49
5.3.210.3130.04014.41
5.3.200.3170.04014.39
5.3.190.3070.03314.41
5.3.180.3030.03314.40
5.3.170.3200.03714.61
5.3.160.3070.03714.64
5.3.150.2770.03014.51
5.3.140.2600.03714.58
5.3.130.3370.03714.38
5.3.120.3270.03714.49
5.3.110.3400.04314.59
5.3.100.3330.03313.88
5.3.90.3470.04014.11
5.3.80.3070.02713.99
5.3.70.3870.04013.95
5.3.60.3070.03313.84
5.3.50.3370.04013.99
5.3.40.4070.05013.77
5.3.30.3900.03713.95
5.3.20.3430.03713.56
5.3.10.3830.03313.49
5.3.00.3870.03013.47
5.2.170.2970.03011.23
5.2.160.2630.02711.02
5.2.150.3270.02711.23
5.2.140.2800.03010.98
5.2.130.2400.03310.93
5.2.120.2900.03011.02
5.2.110.2700.03711.05
5.2.100.2630.03011.11
5.2.90.2470.03011.04
5.2.80.2730.02311.18
5.2.70.3100.02711.13
5.2.60.2830.03010.89
5.2.50.2330.03010.95
5.2.40.2230.03310.89
5.2.30.2200.03311.12
5.2.20.2030.03010.84
5.2.10.2030.02710.84
5.2.00.2400.02710.73
5.1.60.2430.04010.06
5.1.50.2230.0279.88
5.1.40.2330.0209.86
5.1.30.2270.03010.24
5.1.20.2370.03010.50
5.1.10.2200.0279.95
5.1.00.2070.0279.95
5.0.50.1370.0238.46
5.0.40.1500.0238.48
5.0.30.1530.0378.11
5.0.20.1300.0178.27
5.0.10.1300.0238.16
5.0.00.1170.0338.39
4.4.90.1200.0175.84
4.4.80.1170.0175.76
4.4.70.1400.0175.82
4.4.60.1300.0175.87
4.4.50.1500.0205.89
4.4.40.1230.0275.78
4.4.30.1170.0175.83
4.4.20.1630.0105.88
4.4.10.1530.0175.91
4.4.00.1200.0275.85
4.3.110.1530.0175.82
4.3.100.1370.0175.80
4.3.90.1370.0205.75
4.3.80.1530.0275.75
4.3.70.1230.0135.75
4.3.60.0530.0275.73
4.3.50.1370.0205.73
4.3.40.0930.0305.71
4.3.30.0630.0174.93
4.3.20.0630.0134.93
4.3.10.0570.0174.93
4.3.00.0730.0204.93

preferences:
39.41 ms | 400 KiB | 5 Q