3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $my_string = 'SAFDSADSADsddasdsDASSADDsads'; //$my_str = strtolower($my_string); echo $my_str;

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)
8.3.40.0070.00718.75
8.3.30.0100.00718.82
8.3.20.0040.00420.29
8.3.10.0040.00423.60
8.3.00.0060.00319.25
8.2.170.0100.00722.96
8.2.160.0130.00720.39
8.2.150.0040.00424.18
8.2.140.0110.00424.66
8.2.130.0000.00826.16
8.2.120.0000.00722.10
8.2.110.0140.00322.14
8.2.100.0090.00317.63
8.2.90.0000.00719.21
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0040.00418.05
8.2.20.0000.00717.59
8.2.10.0050.00317.95
8.2.00.0000.00817.76
8.1.270.0080.00023.81
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.96
8.1.230.0110.00018.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0080.00017.10
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0080.00318.34
8.1.160.0070.00021.98
8.1.150.0070.00018.81
8.1.140.0040.00417.33
8.1.130.0040.00417.77
8.1.120.0040.00417.29
8.1.110.0030.00617.38
8.1.100.0070.00017.38
8.1.90.0000.00817.30
8.1.80.0000.00717.29
8.1.70.0000.00817.32
8.1.60.0030.00517.53
8.1.50.0000.00817.37
8.1.40.0060.00317.48
8.1.30.0050.00517.50
8.1.20.0070.00017.60
8.1.10.0000.00717.48
8.1.00.0000.00917.41
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0070.00018.30
8.0.270.0070.00017.27
8.0.260.0030.00317.12
8.0.250.0070.00016.91
8.0.240.0030.00316.98
8.0.230.0080.00016.93
8.0.220.0000.00716.78
8.0.210.0000.00716.84
8.0.200.0030.00316.83
8.0.190.0000.00716.81
8.0.180.0000.00716.79
8.0.170.0000.00816.80
8.0.160.0030.00316.84
8.0.150.0000.00816.86
8.0.140.0050.00216.81
8.0.130.0030.00313.30
8.0.120.0040.00416.86
8.0.110.0000.00816.70
8.0.100.0050.00316.70
8.0.90.0000.00716.91
8.0.80.0060.01116.85
8.0.70.0000.00716.94
8.0.60.0070.00016.88
8.0.50.0040.00416.88
8.0.30.0140.01017.01
8.0.20.0080.01117.40
8.0.10.0070.00016.86
8.0.00.0120.00516.79
7.4.330.0020.00215.02
7.4.320.0000.00716.51
7.4.300.0000.00616.32
7.4.290.0000.00716.43
7.4.280.0040.00416.29
7.4.270.0030.00316.41
7.4.260.0030.00316.43
7.4.250.0000.00816.45
7.4.240.0050.00216.48
7.4.230.0000.00716.61
7.4.220.0110.00716.54
7.4.210.0080.00516.50
7.4.200.0070.00016.36
7.4.160.0110.00716.52
7.4.150.0110.00817.40
7.4.140.0070.01017.86
7.4.130.0050.01216.52
7.4.120.0140.00316.46
7.4.110.0100.00716.31
7.4.100.0090.01016.48
7.4.90.0030.01316.30
7.4.80.0110.01019.39
7.4.70.0080.00916.49
7.4.60.0060.01016.42
7.4.50.0000.00816.33
7.4.40.0100.00716.57
7.4.30.0100.00616.59
7.4.00.0090.00914.82
7.3.330.0050.00013.05
7.3.320.0000.00513.23
7.3.310.0000.00716.29
7.3.300.0030.00316.14
7.3.290.0050.01216.25
7.3.280.0080.01016.20
7.3.270.0170.00517.40
7.3.260.0090.01316.47
7.3.250.0110.00916.21
7.3.240.0110.00516.36
7.3.230.0000.01716.39
7.3.210.0060.01016.47
7.3.200.0100.01319.39
7.3.190.0120.00416.56
7.3.180.0070.01116.36
7.3.170.0100.01316.48
7.3.160.0120.00316.27
7.2.330.0090.00916.54
7.2.320.0080.00916.55
7.2.310.0080.00816.32
7.2.300.0180.00016.57
7.2.290.0070.01316.54
7.2.00.0030.00618.92
7.1.100.0070.00717.98
7.1.70.0040.00417.09
7.1.60.0090.01619.11
7.1.50.0150.00616.86
7.1.00.0070.07022.43
7.0.200.0070.00416.70
7.0.140.0030.07322.00
7.0.60.0000.04319.93
7.0.50.0000.08317.86
7.0.40.0070.09319.96
7.0.30.0200.08320.19
7.0.20.0300.04720.09
7.0.10.0130.07720.04
7.0.00.0100.08320.12
5.6.280.0030.07320.90
5.6.210.0200.07320.62
5.6.200.0030.04318.18
5.6.190.0070.08020.78
5.6.180.0230.05020.44
5.6.170.0370.02720.37
5.6.160.0130.07720.44
5.6.150.0130.08018.07
5.6.140.0070.08718.11
5.6.130.0100.07718.14
5.6.120.0130.07720.91
5.6.110.0130.07021.12
5.6.100.0030.08021.06
5.6.90.0070.08020.99
5.6.80.0070.04020.38
5.6.70.3800.04320.39
5.5.350.0030.03720.46
5.5.340.0070.07717.89
5.5.330.0070.04720.23
5.5.320.0170.06720.13
5.5.310.0230.04020.29
5.5.300.0030.04017.92
5.5.290.0030.08017.95
5.5.280.0030.04020.64
5.5.270.0070.06320.79
5.5.260.0070.08320.86
5.5.250.0070.08020.49
5.5.240.0300.04020.25
5.4.450.1270.03719.26
5.4.440.0700.06019.14
5.4.430.0670.05319.41
5.4.420.0670.00019.66
5.4.410.0630.00019.36
5.4.400.0600.00018.98
5.4.390.0630.00019.02
5.4.380.0670.00018.96
5.4.370.0670.00019.17
5.4.360.0630.00019.16
5.4.350.0630.00019.14
5.4.340.0070.03311.97
5.4.320.0070.04312.45
5.4.310.0080.03612.45
5.4.300.0100.03312.45
5.4.290.0070.03712.45
5.4.280.0070.03512.34
5.4.270.0080.03412.35
5.4.260.0050.04112.35
5.4.250.0090.03712.35
5.4.240.0070.03712.34
5.4.230.0050.04112.34
5.4.220.0080.03312.34
5.4.210.0080.03812.34
5.4.200.0050.04512.34
5.4.190.0070.03512.33
5.4.180.0100.03412.34
5.4.170.0060.04012.35
5.4.160.0070.03812.34
5.4.150.0080.04112.34
5.4.140.0040.04112.02
5.4.130.0080.03712.01
5.4.120.0060.03911.96
5.4.110.0070.03711.96
5.4.100.0090.03611.97
5.4.90.0050.04111.96
5.4.80.0070.03511.96
5.4.70.0060.03411.96
5.4.60.0100.03811.96
5.4.50.0040.03911.96
5.4.40.0050.04011.95
5.4.30.0050.03611.95
5.4.20.0060.03511.95
5.4.10.0060.03611.95
5.4.00.0100.03411.43
5.3.290.0080.03812.80
5.3.280.0080.03612.71
5.3.270.0050.04012.72
5.3.260.0070.03812.72
5.3.250.0120.03212.72
5.3.240.0050.04312.72
5.3.230.0050.04212.71
5.3.220.0050.03812.68
5.3.210.0070.04312.68
5.3.200.0090.03912.68
5.3.190.0060.04112.67
5.3.180.0060.03812.67
5.3.170.0070.04712.67
5.3.160.0070.03812.68
5.3.150.0100.04712.67
5.3.140.0070.03612.66
5.3.130.0020.04312.66
5.3.120.0050.04112.65
5.3.110.0040.04112.66
5.3.100.0070.04212.12
5.3.90.0090.03412.08
5.3.80.0040.04612.07
5.3.70.0070.04112.07
5.3.60.0030.05112.06
5.3.50.0090.03312.00
5.3.40.0070.03612.00
5.3.30.0020.03811.94
5.3.20.0090.03211.74
5.3.10.0100.04011.69
5.3.00.0070.04611.67
5.2.170.0020.0339.18
5.2.160.0060.0289.18
5.2.150.0060.0289.18
5.2.140.0050.0309.17
5.2.130.0060.0319.13
5.2.120.0050.0299.14
5.2.110.0030.0349.14
5.2.100.0050.0319.13
5.2.90.0010.0329.13
5.2.80.0050.0309.13
5.2.70.0040.0329.13
5.2.60.0060.0299.08
5.2.50.0070.0289.05
5.2.40.0050.0329.03
5.2.30.0040.0309.00
5.2.20.0030.0318.99
5.2.10.0080.0348.91
5.2.00.0060.0278.77
5.1.60.0030.0328.05
5.1.50.0050.0238.05
5.1.40.0050.0268.04
5.1.30.0050.0338.39
5.1.20.0060.0348.41
5.1.10.0080.0338.13
5.1.00.0010.0318.13
5.0.50.0030.0256.61
5.0.40.0050.0246.47
5.0.30.0000.0356.29
5.0.20.0050.0246.25
5.0.10.0050.0186.23
5.0.00.0030.0316.22
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0020.0184.76
4.4.60.0030.0174.75
4.4.50.0040.0164.77
4.4.40.0030.0294.71
4.4.30.0040.0144.76
4.4.20.0020.0194.84
4.4.10.0020.0184.85
4.4.00.0050.0224.76
4.3.110.0050.0154.66
4.3.100.0000.0184.66
4.3.90.0040.0144.63
4.3.80.0010.0314.59
4.3.70.0030.0144.63
4.3.60.0010.0164.62
4.3.50.0030.0154.63
4.3.40.0030.0264.54
4.3.30.0000.0193.27
4.3.20.0030.0193.25
4.3.10.0030.0163.21
4.3.00.0200.03312.38

preferences:
47.46 ms | 400 KiB | 5 Q