3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sAux = null; echo substr(md5($sAux), 4, 8);

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)
8.3.60.0150.00416.63
8.3.50.0070.00716.48
8.3.40.0060.00918.76
8.3.30.0060.00918.42
8.3.20.0070.00020.21
8.3.10.0080.00021.78
8.3.00.0050.00317.78
8.2.180.0140.00418.42
8.2.170.0090.00922.96
8.2.160.0100.00720.34
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0080.00020.97
8.2.120.0070.00026.35
8.2.110.0060.00321.00
8.2.100.0060.00618.03
8.2.90.0030.00518.89
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0060.00318.05
8.2.50.0100.00018.10
8.2.40.0040.00420.47
8.2.30.0040.00419.16
8.2.20.0070.00018.13
8.2.10.0030.00517.86
8.2.00.0000.00718.05
8.1.280.0040.01225.92
8.1.270.0050.00323.87
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00823.82
8.1.230.0040.00820.91
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0000.00817.11
8.1.190.0080.00017.11
8.1.180.0000.00918.10
8.1.170.0070.00018.44
8.1.160.0000.00719.07
8.1.150.0000.00718.81
8.1.140.0000.00719.56
8.1.130.0050.00318.68
8.1.120.0000.00717.45
8.1.110.0040.00417.27
8.1.100.0060.00317.38
8.1.90.0080.00017.39
8.1.80.0030.00317.30
8.1.70.0030.00317.29
8.1.60.0060.00317.51
8.1.50.0000.00817.40
8.1.40.0030.00617.45
8.1.30.0040.00417.51
8.1.20.0020.00517.51
8.1.10.0000.00717.37
8.1.00.0040.00417.29
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.48
8.0.270.0000.00917.34
8.0.260.0060.00016.74
8.0.250.0020.00516.98
8.0.240.0030.00516.83
8.0.230.0000.00716.87
8.0.220.0030.00616.85
8.0.210.0000.00716.84
8.0.200.0070.00016.77
8.0.190.0040.00416.75
8.0.180.0020.00516.82
8.0.170.0030.00316.80
8.0.160.0030.00316.81
8.0.150.0050.00316.78
8.0.140.0050.00316.71
8.0.130.0030.00313.23
8.0.120.0000.00716.77
8.0.110.0030.00316.76
8.0.100.0000.00716.82
8.0.90.0040.00416.71
8.0.80.0030.01416.86
8.0.70.0040.00316.86
8.0.60.0040.00416.88
8.0.50.0000.00816.68
8.0.30.0080.00916.92
8.0.20.0140.00517.40
8.0.10.0030.00316.81
8.0.00.0070.01016.69
7.4.330.0000.00515.55
7.4.320.0030.00316.29
7.4.300.0030.00316.33
7.4.290.0030.00716.50
7.4.280.0070.00016.42
7.4.270.0000.00616.40
7.4.260.0020.00516.32
7.4.250.0000.00716.41
7.4.240.0040.00416.43
7.4.230.0060.00016.43
7.4.220.0130.01016.57
7.4.210.0150.00616.42
7.4.200.0000.00716.55
7.4.160.0100.00716.47
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0090.00916.49
7.4.120.0090.01116.44
7.4.110.0040.01216.45
7.4.100.0070.01016.31
7.4.90.0090.00916.63
7.4.80.0060.01219.39
7.4.70.0070.01616.50
7.4.60.0030.01316.44
7.4.50.0040.01216.34
7.4.40.0160.00016.30
7.4.30.0140.00616.34
7.4.00.0040.01414.64
7.3.330.0000.00612.93
7.3.320.0050.00012.87
7.3.310.0030.00316.00
7.3.300.0070.00016.15
7.3.290.0080.00716.11
7.3.280.0070.00916.10
7.3.270.0030.01317.40
7.3.260.0120.00416.40
7.3.250.0090.00816.22
7.3.240.0100.00616.11
7.3.230.0090.00916.50
7.3.210.0190.00316.21
7.3.200.0060.01016.25
7.3.190.0100.00716.36
7.3.180.0110.01116.37
7.3.170.0060.01116.41
7.3.160.0100.00716.18
7.2.330.0140.00316.53
7.2.320.0100.00716.41
7.2.310.0100.00716.39
7.2.300.0030.01516.63
7.2.290.0040.01216.63
7.2.60.0070.01016.72
7.2.00.0030.01319.41
7.1.200.0090.00615.71
7.1.100.0030.01018.00
7.1.70.0040.00417.20
7.1.60.0040.00817.19
7.1.50.0030.00716.93
7.1.40.0000.01116.61
7.1.30.0040.00816.40
7.1.20.0060.00616.56
7.1.10.0090.00316.64
7.1.00.0030.00516.81
7.0.200.0030.00716.79
7.0.190.0000.00816.64
7.0.180.0030.00715.96
7.0.170.0040.00416.24
7.0.160.0000.00716.24
7.0.150.0000.01016.24
7.0.140.0000.00816.06
7.0.130.0000.01016.34
7.0.120.0040.00416.48
7.0.110.0030.00516.09
7.0.100.0030.00716.26
7.0.90.0000.00916.13
7.0.80.0040.00416.38
7.0.70.0040.00416.18
7.0.60.0000.00816.23
7.0.50.0120.00316.60
7.0.40.0030.00615.21
7.0.30.0000.00815.21
7.0.20.0070.00315.21
7.0.10.0040.00415.21
7.0.00.0030.00615.21
5.6.300.0030.04520.67
5.6.290.0030.04320.78
5.6.280.0000.05221.07
5.6.270.0070.04020.90
5.6.260.0030.04320.85
5.6.250.0000.05020.86
5.6.240.0000.04920.81
5.6.230.0070.03720.95
5.6.220.0030.04220.83
5.6.210.0100.03521.05
5.6.200.0000.09420.98
5.6.190.0320.03220.85
5.6.180.0100.03720.89
5.6.170.0000.04320.73
5.6.160.0130.05020.92
5.6.150.0070.04720.76
5.6.140.0000.04620.90
5.6.130.0130.05520.93
5.6.120.0060.03820.85
5.6.110.0000.05420.97
5.6.100.0070.04220.80
5.6.90.0030.07220.96
5.6.80.0040.04620.19
5.6.70.0100.06720.23
5.6.60.0030.05720.22
5.6.50.0030.04020.36
5.6.40.0130.03220.09
5.6.30.0030.04020.09
5.6.20.0030.08220.04
5.6.10.0000.04620.08
5.6.00.0000.04120.27
5.5.380.0070.04117.46
5.5.370.0000.05117.46
5.5.360.0000.05217.56
5.5.350.0030.04117.46
5.5.340.0100.07518.07
5.5.330.0100.03517.86
5.5.320.0070.04018.07
5.5.310.0140.05118.02
5.5.300.0000.04617.70
5.5.290.0030.06617.98
5.5.280.0000.05218.03
5.5.270.0060.03818.05
5.5.260.0100.03717.99
5.5.250.0000.04217.67
5.5.240.0070.03417.35
5.5.230.0000.04217.40
5.5.220.0100.04717.07
5.5.210.0030.03917.09
5.5.200.0100.03017.39
5.5.190.0060.03517.05
5.5.180.0160.03017.05
5.5.160.0070.03317.21
5.5.150.0060.04817.20
5.5.140.0030.03917.34
5.5.130.0030.04117.34
5.5.120.0000.04417.41
5.5.110.0000.07917.08
5.5.100.0000.04217.19
5.5.90.0030.03617.21
5.5.80.0000.06917.23
5.5.70.0070.07117.27
5.5.60.0100.04216.96
5.5.50.0070.03617.07
5.5.40.0000.05317.27
5.5.30.0110.03516.94
5.5.20.0030.04617.07
5.5.10.0070.04317.23
5.5.00.0060.03617.26
5.4.450.0070.03819.34
5.4.440.0030.04019.30
5.4.430.0000.05419.34
5.4.420.0030.04019.37
5.4.410.0000.04119.05
5.4.400.0000.08119.13
5.4.390.0030.04119.07
5.4.380.0000.04019.14
5.4.370.0000.04719.07
5.4.360.0030.04019.07
5.4.350.0070.07619.05
5.4.340.0060.04819.14
5.4.320.0030.03818.91
5.4.310.0000.05818.83
5.4.300.0130.04919.00
5.4.290.0000.04618.86
5.4.280.0000.04119.02
5.4.270.0030.03619.02
5.4.260.0070.07819.16
5.4.250.0030.04218.88
5.4.240.0030.06919.06
5.4.230.0070.06319.01
5.4.220.0070.04219.14
5.4.210.0100.03018.83
5.4.200.0030.04619.05
5.4.190.0030.04618.84
5.4.180.0030.07118.82
5.4.170.0000.04119.09
5.4.160.0060.07118.96
5.4.150.0030.08219.04
5.4.140.0000.04316.47
5.4.130.0060.03516.65
5.4.120.0030.04516.64
5.4.110.0100.04816.67
5.4.100.0160.03616.50
5.4.90.0060.03116.62
5.4.80.0030.03516.62
5.4.70.0060.03116.49
5.4.60.0040.03616.64
5.4.50.0070.03016.64
5.4.40.0000.04116.38
5.4.30.0030.04716.61
5.4.20.0000.03916.61
5.4.10.0030.03916.55
5.4.00.0000.03616.05
5.3.290.0000.04115.21
5.3.280.0000.04315.21
5.3.270.0030.05615.21
5.3.260.0100.04015.21
5.3.250.0030.06715.21
5.3.240.0030.04115.21
5.3.230.0030.03615.21
5.3.220.0030.06215.21
5.3.210.0100.03515.21
5.3.200.0100.04315.21
5.3.190.0030.03715.21
5.3.180.0060.04915.21
5.3.170.0030.03715.21
5.3.160.0030.04115.21
5.3.150.0130.02915.21
5.3.140.0200.03615.21
5.3.130.0000.04115.21
5.3.120.0030.05115.21
5.3.110.0030.03915.21
5.3.100.0000.04615.21
5.3.90.0000.04315.21
5.3.80.0000.04115.21
5.3.70.0070.03715.21
5.3.60.0070.03315.21
5.3.50.0200.03715.21
5.3.40.0070.03715.21
5.3.30.0000.03715.21
5.3.20.0000.03915.21
5.3.10.0030.04115.21
5.3.00.0000.03615.21
5.2.170.0030.02915.21
5.2.160.0070.02315.21
5.2.150.0060.02515.21
5.2.140.0030.03115.21
5.2.130.0000.03315.21
5.2.120.0030.02615.21
5.2.110.0000.03115.21
5.2.100.0030.02915.21
5.2.90.0000.03015.21
5.2.80.0000.03215.21
5.2.70.0160.02515.21
5.2.60.0030.03715.21
5.2.50.0030.02915.21
5.2.40.0030.02815.21
5.2.30.0000.03115.21
5.2.20.0030.02615.21
5.2.10.0030.04515.21
5.2.00.0030.03315.21
5.1.60.0030.02615.21
5.1.50.0000.02715.21
5.1.40.0040.02215.21
5.1.30.0030.03615.21
5.1.20.0000.02915.21
5.1.10.0030.02615.21
5.1.00.0000.02715.21
5.0.50.0060.01615.21
5.0.40.0000.02215.21
5.0.30.0030.04015.21
5.0.20.0070.03515.21
5.0.10.0030.03915.21
5.0.00.0030.05715.21
4.4.90.0000.01915.21
4.4.80.0000.01915.21
4.4.70.0030.02315.21
4.4.60.0000.01715.21
4.4.50.0030.01315.21
4.4.40.0030.02515.21
4.4.30.0100.01315.21
4.4.20.0000.01715.21
4.4.10.0000.01715.21
4.4.00.0030.02515.21
4.3.110.0030.02315.21
4.3.100.0000.02115.21
4.3.90.0030.03015.21
4.3.80.0030.02315.21
4.3.70.0040.02115.21
4.3.60.0030.02515.21
4.3.50.0030.02915.21
4.3.40.0000.03015.21
4.3.30.0030.01615.21
4.3.20.0090.01215.21
4.3.10.0000.01715.21
4.3.00.0030.01315.21

preferences:
58.35 ms | 400 KiB | 5 Q