3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ' '; // a space character

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)
8.3.40.0100.00718.38
8.3.30.0110.00420.16
8.3.20.0050.00320.41
8.3.10.0070.00021.10
8.3.00.0050.00223.48
8.2.170.0040.01122.96
8.2.160.0090.00420.41
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00621.18
8.2.110.0070.00320.99
8.2.100.0000.01217.78
8.2.90.0090.00319.22
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0000.00817.89
8.2.50.0080.00018.07
8.2.40.0030.00618.03
8.2.30.0070.00019.42
8.2.20.0040.00417.60
8.2.10.0000.00717.72
8.2.00.0040.00417.61
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00421.29
8.1.230.0110.00417.45
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0000.00818.59
8.1.160.0070.00018.86
8.1.150.0070.00018.44
8.1.140.0000.00717.32
8.1.130.0000.00717.80
8.1.120.0050.00217.41
8.1.110.0040.00417.41
8.1.100.0000.00717.34
8.1.90.0040.00417.36
8.1.80.0070.00017.43
8.1.70.0070.00017.36
8.1.60.0030.00617.40
8.1.50.0040.00417.30
8.1.40.0040.00417.41
8.1.30.0040.00417.59
8.1.20.0030.00517.60
8.1.10.0030.00617.48
8.1.00.0030.00517.35
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0000.00717.20
8.0.260.0030.00316.79
8.0.250.0020.00516.86
8.0.240.0080.00016.84
8.0.230.0000.00716.76
8.0.220.0000.00716.88
8.0.210.0070.00016.80
8.0.200.0070.00016.75
8.0.190.0060.00316.82
8.0.180.0070.00016.82
8.0.170.0000.00816.71
8.0.160.0050.00316.71
8.0.150.0000.00816.65
8.0.140.0040.00416.68
8.0.130.0050.00013.27
8.0.120.0050.00316.74
8.0.110.0080.00016.68
8.0.100.0040.00416.88
8.0.90.0040.00416.65
8.0.80.0080.00816.80
8.0.70.0040.00416.65
8.0.60.0030.00516.71
8.0.50.0040.00416.76
8.0.30.0070.01217.16
8.0.20.0050.01217.40
8.0.10.0000.00816.90
8.0.00.0070.01116.58
7.4.330.0030.00314.99
7.4.320.0030.00316.45
7.4.300.0000.00716.51
7.4.290.0000.00716.34
7.4.280.0070.00016.57
7.4.270.0030.00316.39
7.4.260.0030.00313.18
7.4.250.0070.00016.38
7.4.240.0000.00716.48
7.4.230.0030.00316.52
7.4.220.0130.00616.59
7.4.210.0070.01216.41
7.4.200.0000.00716.40
7.4.190.0040.00416.52
7.4.160.0100.00716.45
7.4.150.0100.00717.40
7.4.140.0080.00817.86
7.4.130.0130.00316.39
7.4.120.0120.00716.39
7.4.110.0070.01016.51
7.4.100.0140.00316.43
7.4.90.0040.01916.46
7.4.80.0080.00819.39
7.4.70.0040.01516.36
7.4.60.0140.00316.40
7.4.50.0030.00616.44
7.4.40.0070.00822.77
7.4.30.0140.00316.46
7.4.00.0030.01515.05
7.3.330.0030.00313.04
7.3.320.0000.00613.01
7.3.310.0030.00316.16
7.3.300.0000.00716.04
7.3.290.0040.01116.10
7.3.280.0090.00916.17
7.3.270.0170.00717.40
7.3.260.0090.01018.24
7.3.250.0060.01016.14
7.3.240.0130.00516.16
7.3.230.0100.00716.39
7.3.210.0110.00616.19
7.3.200.0100.01319.39
7.3.190.0100.01316.11
7.3.180.0000.01516.43
7.3.170.0030.01416.48
7.3.160.0070.01016.10
7.3.120.0090.00614.68
7.2.330.0090.00916.33
7.2.320.0180.00316.46
7.2.310.0070.01116.51
7.2.300.0090.00916.39
7.2.290.0070.00716.47
7.1.200.0000.01115.14
7.1.70.0060.00316.99
7.1.60.0120.01219.17
7.1.50.0090.01316.93
7.1.00.0070.07022.54
7.0.200.0040.00416.60
7.0.140.0030.07322.08
7.0.60.0030.08320.03
7.0.50.0230.06717.66
7.0.40.0030.05720.27
7.0.30.0270.08020.17
7.0.20.0330.06720.33
7.0.10.0130.05020.12
7.0.00.0070.08720.13
5.6.280.0070.07020.77
5.6.210.0030.05020.71
5.6.200.0000.06018.18
5.6.190.0100.04720.61
5.6.180.0530.06020.43
5.6.170.0270.07720.50
5.6.160.0130.06720.46
5.6.150.0130.06318.16
5.6.140.0100.08018.15
5.6.130.0100.07018.07
5.6.120.0130.08020.98
5.6.110.0070.08721.10
5.6.100.0030.08721.06
5.6.90.0170.08020.87
5.6.80.0030.07720.41
5.5.350.0200.08320.51
5.5.340.0030.04018.00
5.5.330.0070.04720.06
5.5.320.0270.05320.11
5.5.310.0200.08320.21
5.5.300.0000.04318.02
5.5.290.0000.04317.89
5.5.280.0100.08320.97
5.5.270.0100.08020.80
5.5.260.0200.06720.75
5.5.250.0100.05020.77
5.5.240.0130.07020.25
5.4.450.0570.05719.47
5.4.440.0600.04319.10
5.4.430.0970.04719.52
5.4.420.0230.05319.31
5.4.410.0070.07719.38
5.4.400.0070.05719.00
5.4.390.0030.06018.98
5.4.380.0200.05318.72
5.4.370.0130.03718.51
5.4.360.0030.04018.68
5.4.350.0080.03711.97
5.4.340.0050.04711.96
5.4.320.0100.04212.45
5.4.310.0090.04112.45
5.4.300.0090.04712.45
5.4.290.0080.04912.45
5.4.280.0070.03912.33
5.4.270.0060.03812.33
5.4.260.0080.03812.33
5.4.250.0050.04112.33
5.4.240.0050.04412.33
5.4.230.0080.05012.32
5.4.220.0070.04212.32
5.4.210.0120.04212.32
5.4.200.0130.04612.32
5.4.190.0120.04512.32
5.4.180.0120.04312.32
5.4.170.0120.04212.33
5.4.160.0110.04212.32
5.4.150.0100.04112.32
5.4.140.0150.05412.00
5.4.130.0080.04011.99
5.4.120.0080.04011.95
5.4.110.0120.04211.94
5.4.100.0080.04011.95
5.4.90.0080.04611.95
5.4.80.0070.04411.95
5.4.70.0200.04911.94
5.4.60.0090.03811.94
5.4.50.0080.03911.95
5.4.40.0110.03711.93
5.4.30.0110.03911.93
5.4.20.0100.03911.93
5.4.10.0100.04211.93
5.4.00.0090.04111.42
5.3.290.0100.04412.80
5.3.280.0090.04312.71
5.3.270.0150.05612.72
5.3.260.0130.04712.72
5.3.250.0110.04612.72
5.3.240.0080.04312.72
5.3.230.0090.04212.71
5.3.220.0110.04112.68
5.3.210.0100.04512.68
5.3.200.0190.05412.68
5.3.190.0100.04612.68
5.3.180.0120.03812.67
5.3.170.0100.04212.67
5.3.160.0090.04212.67
5.3.150.0110.04512.67
5.3.140.0110.04912.66
5.3.130.0100.04912.66
5.3.120.0110.04412.66
5.3.110.0090.04312.66
5.3.100.0100.04312.12
5.3.90.0110.04112.08
5.3.80.0120.04012.07
5.3.70.0140.05312.08
5.3.60.0120.04512.06
5.3.50.0110.04412.00
5.3.40.0100.04312.00
5.3.30.0090.04011.94
5.3.20.0190.06211.71
5.3.10.0100.03611.67
5.3.00.0090.03911.66

preferences:
51.07 ms | 400 KiB | 5 Q