3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "\x1f"; echo $a; ?>

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)
8.3.60.0070.00716.50
8.3.50.0060.00919.49
8.3.40.0070.00718.64
8.3.30.0110.00318.93
8.3.20.0040.00420.05
8.3.10.0050.00323.51
8.3.00.0040.00419.25
8.2.180.0070.01416.38
8.2.170.0110.00422.96
8.2.160.0100.00618.79
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.91
8.2.110.0090.00022.08
8.2.100.0080.00418.22
8.2.90.0000.01119.05
8.2.80.0000.00817.97
8.2.70.0040.00717.25
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0040.00419.95
8.2.30.0020.00518.04
8.2.20.0040.00417.77
8.2.10.0000.00718.08
8.2.00.0040.00417.68
8.1.280.0100.00725.92
8.1.270.0040.00423.91
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00023.91
8.1.230.0030.00719.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.10
8.1.190.0000.00717.10
8.1.180.0080.00018.10
8.1.170.0080.00018.52
8.1.160.0040.00421.86
8.1.150.0050.00218.75
8.1.140.0020.00517.43
8.1.130.0000.00717.81
8.1.120.0040.00417.38
8.1.110.0000.00717.41
8.1.100.0040.00417.40
8.1.90.0040.00417.41
8.1.80.0030.00617.40
8.1.70.0000.00717.23
8.1.60.0050.00417.43
8.1.50.0050.00317.46
8.1.40.0030.00617.37
8.1.30.0040.00417.60
8.1.20.0040.00417.57
8.1.10.0000.00817.43
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0030.00416.63
8.0.280.0030.00318.44
8.0.270.0070.00017.23
8.0.260.0030.00317.20
8.0.250.0070.00016.92
8.0.240.0030.00316.83
8.0.230.0030.00316.85
8.0.220.0030.00316.79
8.0.210.0020.00516.82
8.0.200.0030.00316.89
8.0.190.0070.00016.88
8.0.180.0050.00216.86
8.0.170.0080.00016.86
8.0.160.0070.00016.86
8.0.150.0000.00716.75
8.0.140.0040.00316.75
8.0.130.0060.00013.25
8.0.120.0050.00316.79
8.0.110.0040.00416.73
8.0.100.0070.00016.81
8.0.90.0020.00516.77
8.0.80.0040.01516.85
8.0.70.0070.00016.77
8.0.60.0050.00216.71
8.0.50.0040.00416.83
8.0.30.0080.01116.99
8.0.20.0060.01317.40
8.0.10.0030.00516.80
8.0.00.0070.01016.77
7.4.330.0000.00515.07
7.4.320.0040.00416.44
7.4.300.0000.00616.52
7.4.290.0000.00716.35
7.4.280.0040.00416.52
7.4.270.0020.00516.48
7.4.260.0000.00716.49
7.4.250.0040.00416.53
7.4.240.0030.00316.49
7.4.230.0030.00316.31
7.4.220.0140.00316.44
7.4.210.0090.00616.46
7.4.200.0040.00416.31
7.4.160.0150.00016.55
7.4.150.0090.01117.40
7.4.140.0090.00917.86
7.4.130.0130.00616.38
7.4.120.0100.01016.34
7.4.110.0100.01416.48
7.4.100.0070.01016.24
7.4.90.0140.00416.44
7.4.80.0090.01019.39
7.4.70.0090.00916.63
7.4.60.0110.01116.29
7.4.50.0000.00416.29
7.4.40.0130.00316.64
7.4.30.0120.01216.54
7.4.00.0070.01114.84
7.3.330.0030.00312.95
7.3.320.0030.00313.17
7.3.310.0030.00316.28
7.3.300.0040.00416.20
7.3.290.0130.00416.15
7.3.280.0130.00516.21
7.3.270.0130.00817.40
7.3.260.0120.00716.21
7.3.250.0070.00916.25
7.3.240.0100.00716.29
7.3.230.0080.00816.39
7.3.210.0070.01016.16
7.3.200.0100.00719.39
7.3.190.0110.00516.30
7.3.180.0080.00816.57
7.3.170.0110.00516.40
7.3.160.0130.00316.54
7.3.120.0100.01014.66
7.3.110.0070.01114.61
7.3.100.0060.01014.99
7.3.90.0030.01014.74
7.3.80.0000.01414.67
7.3.70.0070.00414.86
7.3.60.0060.00314.49
7.3.50.0070.00414.55
7.3.40.0000.01214.39
7.3.30.0040.00714.57
7.3.20.0070.00716.64
7.3.10.0000.01216.64
7.3.00.0080.00616.36
7.2.330.0090.00916.20
7.2.320.0150.00316.63
7.2.310.0100.00716.52
7.2.300.0140.00316.45
7.2.290.0180.00616.59
7.2.250.0070.01114.75
7.2.240.0070.01415.11
7.2.230.0120.00615.02
7.2.220.0060.00615.15
7.2.210.0090.00614.46
7.2.200.0030.01314.69
7.2.190.0030.00914.73
7.2.180.0080.00814.80
7.2.170.0070.01014.93
7.2.00.0030.00919.39
7.1.330.0000.01515.82
7.1.320.0000.01215.77
7.1.310.0100.00315.97
7.1.300.0070.00715.62
7.1.290.0080.00415.73
7.1.280.0040.01115.62
7.1.270.0000.00915.68
7.1.260.0120.00015.60
7.1.200.0230.00315.60
7.1.100.0030.00617.76
7.1.70.0040.00717.06
7.1.60.0100.01019.40
7.1.50.0090.01916.70
7.1.00.0100.07022.36
7.0.200.0070.00016.46
7.0.140.0000.07322.21
7.0.60.0100.08319.85
7.0.50.0100.07317.80
7.0.40.0130.08320.04
7.0.30.0270.08320.02
7.0.20.0230.08020.21
7.0.10.0000.04720.09
7.0.00.0030.04320.09
5.6.280.0000.07720.98
5.6.210.0170.07320.54
5.6.200.0030.04018.15
5.6.190.0000.05720.56
5.6.180.4100.04320.43
5.6.170.0400.07020.48
5.6.160.0070.04020.44
5.6.150.0070.08318.19
5.6.140.0070.03318.16
5.6.130.0030.08318.09
5.6.120.0100.08021.02
5.6.110.0130.07021.04
5.6.100.0100.07721.10
5.6.90.0100.08020.96
5.6.80.0030.06320.35
5.5.350.0170.07320.45
5.5.340.0100.08317.98
5.5.330.0000.04320.56
5.5.320.0400.07720.51
5.5.310.0270.04020.29
5.5.300.0030.04317.98
5.5.290.0200.06718.01
5.5.280.0000.04320.79
5.5.270.0100.08320.86
5.5.260.0100.08320.96
5.5.250.0100.07020.54
5.5.240.0300.06320.15
5.4.450.0270.04019.49
5.4.440.0130.04719.10
5.4.430.0230.05019.57
5.4.420.0200.04019.10
5.4.410.0230.04019.37
5.4.400.0230.03019.09
5.4.390.0100.04319.07
5.4.380.0470.06018.72
5.4.370.0300.06018.72
5.4.360.0430.04318.46
5.4.350.0400.08018.70
5.4.340.0570.06718.70
5.4.320.0040.03812.45
5.4.310.0060.03712.45
5.4.300.0070.03412.46
5.4.290.0080.03812.45
5.4.280.0050.03612.35
5.4.270.0080.03812.34
5.4.260.0070.04012.35
5.4.250.0060.03712.34
5.4.240.0070.03712.34
5.4.230.0030.03912.34
5.4.220.0050.03612.34
5.4.210.0080.03312.34
5.4.200.0110.03512.34
5.4.190.0060.03712.33
5.4.180.0070.03412.33
5.4.170.0040.03812.34
5.4.160.0040.03712.34
5.4.150.0070.03812.34
5.4.140.0060.03612.02
5.4.130.0080.03212.01
5.4.120.0060.03411.97
5.4.110.0040.04011.96
5.4.100.0060.03411.96
5.4.90.0090.03411.96
5.4.80.0040.03811.96
5.4.70.0040.03611.96
5.4.60.0030.03611.96
5.4.50.0020.03811.96
5.4.40.0060.04211.95
5.4.30.0080.03611.95
5.4.20.0080.03711.95
5.4.10.0070.03211.95
5.4.00.0080.04011.43
5.3.290.0060.04012.80
5.3.280.0060.03712.71
5.3.270.0060.03912.73
5.3.260.0060.03912.72
5.3.250.0030.04012.72
5.3.240.0070.03712.72
5.3.230.0080.03612.71
5.3.220.0050.03812.68
5.3.210.0090.03612.68
5.3.200.0070.03612.68
5.3.190.0040.03912.68
5.3.180.0050.03712.67
5.3.170.0060.03512.67
5.3.160.0040.03712.68
5.3.150.0050.03712.67
5.3.140.0080.03412.66
5.3.130.0080.03612.66
5.3.120.0030.04112.66
5.3.110.0050.03812.66
5.3.100.0050.03812.12
5.3.90.0060.03612.08
5.3.80.0070.03412.07
5.3.70.0070.03412.07
5.3.60.0060.03612.06
5.3.50.0060.03512.00
5.3.40.0080.03412.00
5.3.30.0060.03411.94
5.3.20.0050.03511.71
5.3.10.0060.03411.69
5.3.00.0070.03711.67
5.2.170.0110.0319.17
5.2.160.0050.0379.17
5.2.150.0040.0359.18
5.2.140.0040.0359.17
5.2.130.0050.0309.13
5.2.120.0040.0309.13
5.2.110.0060.0309.14
5.2.100.0070.0349.13
5.2.90.0080.0399.14
5.2.80.0030.0359.13
5.2.70.0040.0329.13
5.2.60.0080.0359.08
5.2.50.0060.0349.05
5.2.40.0070.0329.03
5.2.30.0090.0409.00
5.2.20.0070.0339.00
5.2.10.0040.0358.92
5.2.00.0080.0298.77
5.1.60.0060.0298.06
5.1.50.0150.0278.05
5.1.40.0050.0308.04
5.1.30.0060.0288.39
5.1.20.0090.0298.41
5.1.10.0080.0288.13
5.1.00.0040.0328.13
5.0.50.0020.0266.61
5.0.40.0030.0306.47
5.0.30.0060.0326.29
5.0.20.0040.0216.26
5.0.10.0050.0286.23
5.0.00.0040.0336.22
4.4.90.0050.0174.78
4.4.80.0020.0224.75
4.4.70.0010.0194.75
4.4.60.0020.0234.75
4.4.50.0020.0174.77
4.4.40.0030.0264.71
4.4.30.0010.0204.75
4.4.20.0060.0164.85
4.4.10.0050.0194.85
4.4.00.0020.0324.76
4.3.110.0050.0144.67
4.3.100.0040.0164.66
4.3.90.0010.0174.64
4.3.80.0040.0244.59
4.3.70.0040.0144.63
4.3.60.0080.0114.63
4.3.50.0050.0144.63
4.3.40.0030.0244.54
4.3.30.0020.0163.28
4.3.20.0050.0133.25
4.3.10.0040.0193.21
4.3.00.0000.02015.05

preferences:
45.73 ms | 400 KiB | 5 Q