3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s="0?kgwLX371\23\5z62e2:Wn0@l.1?\4j64A403{3\5S1'\13"; $q="str_replace"; $g = ""; while (strlen($g)<strlen($s)) { $q = pack("H*",md5($g.$q."q1w2e3r4")); $g.=substr($q,0,8); } echo "aaaa"; echo $s^$g;

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)
8.3.60.0150.00618.43
8.3.50.0120.00921.94
8.3.40.0060.00918.70
8.3.30.0120.00319.19
8.3.20.0080.00020.33
8.3.10.0040.00423.70
8.3.00.0050.00319.04
8.2.180.0070.00716.32
8.2.170.0070.00722.96
8.2.160.0090.00620.52
8.2.150.0070.00724.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00021.03
8.2.110.0090.00022.02
8.2.100.0000.01119.51
8.2.90.0000.00819.35
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00421.07
8.2.30.0000.00718.43
8.2.20.0000.00717.72
8.2.10.0000.00818.02
8.2.00.0050.00217.71
8.1.280.0170.00325.92
8.1.270.0150.00423.90
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00023.79
8.1.230.0040.00719.09
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.13
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0040.00422.07
8.1.150.0070.00018.59
8.1.140.0040.00417.45
8.1.130.0000.00717.76
8.1.120.0050.00217.34
8.1.110.0050.00317.50
8.1.100.0070.00017.49
8.1.90.0040.00417.45
8.1.80.0040.00417.50
8.1.70.0030.00717.42
8.1.60.0000.00817.58
8.1.50.0080.00017.50
8.1.40.0040.00417.55
8.1.30.0000.00817.59
8.1.20.0000.00717.64
8.1.10.0020.00517.50
8.1.00.0000.00717.49
8.0.300.0040.00418.77
8.0.290.0050.00217.05
8.0.280.0030.00518.48
8.0.270.0040.00417.20
8.0.260.0000.00817.15
8.0.250.0000.00716.93
8.0.240.0000.00716.99
8.0.230.0030.00316.81
8.0.220.0030.00316.95
8.0.210.0070.00016.89
8.0.200.0000.00616.96
8.0.190.0000.00716.95
8.0.180.0070.00016.88
8.0.170.0040.00416.84
8.0.160.0050.00316.88
8.0.150.0070.00016.85
8.0.140.0070.00016.86
8.0.130.0060.00013.40
8.0.120.0000.00816.87
8.0.110.0040.00416.88
8.0.100.0030.00516.89
8.0.90.0070.00016.87
8.0.80.0090.01216.89
8.0.70.0040.00416.88
8.0.60.0030.00316.95
8.0.50.0000.00716.91
8.0.30.0110.00716.93
8.0.20.0130.00617.40
8.0.10.0040.00416.82
8.0.00.0110.00816.73
7.4.330.0000.00515.02
7.4.320.0030.00316.54
7.4.300.0070.00016.45
7.4.290.0030.00316.38
7.4.280.0030.00516.55
7.4.270.0030.00316.44
7.4.260.0040.00416.53
7.4.250.0040.00416.43
7.4.240.0020.00516.39
7.4.230.0000.00816.46
7.4.220.0030.01316.36
7.4.210.0070.00716.48
7.4.200.0040.00416.47
7.4.190.0070.00016.68
7.4.160.0100.00616.66
7.4.150.0100.00717.40
7.4.140.0160.00217.86
7.4.130.0070.00916.45
7.4.120.0090.00916.50
7.4.110.0060.01316.73
7.4.100.0070.01116.48
7.4.90.0100.00716.38
7.4.80.0070.01619.39
7.4.70.0120.00616.40
7.4.60.0070.01116.38
7.4.50.0020.00216.18
7.4.40.0070.01016.39
7.4.30.0130.00316.48
7.4.00.0090.00814.89
7.3.330.0000.00513.05
7.3.320.0060.00013.16
7.3.310.0040.00416.25
7.3.300.0030.00316.26
7.3.290.0140.00016.28
7.3.280.0030.01116.30
7.3.270.0030.02117.40
7.3.260.0120.01216.54
7.3.250.0070.01116.42
7.3.240.0090.00916.34
7.3.230.0080.01616.39
7.3.210.0030.01316.25
7.3.200.0130.00719.39
7.3.190.0030.01416.24
7.3.180.0130.00316.52
7.3.170.0090.00916.50
7.3.160.0110.00516.39
7.3.120.0040.01214.85
7.3.110.0070.01015.13
7.3.100.0090.00914.76
7.3.90.0040.00814.85
7.3.80.0060.00914.51
7.3.70.0030.01014.75
7.3.60.0080.00414.75
7.3.50.0000.01814.92
7.3.40.0100.00714.96
7.3.30.0060.01014.75
7.3.20.0130.00316.70
7.3.10.0110.01316.30
7.3.00.0100.00916.55
7.2.330.0060.01216.75
7.2.320.0040.02016.70
7.2.310.0090.01216.41
7.2.300.0040.01316.57
7.2.290.0060.01216.80
7.2.250.0080.01115.20
7.2.240.0030.01414.97
7.2.230.0100.01015.17
7.2.220.0080.00815.05
7.2.210.0060.01214.86
7.2.200.0070.01315.07
7.2.190.0030.01315.20
7.2.180.0100.00714.80
7.2.170.0060.00614.96
7.2.130.0170.00616.57
7.2.120.0150.00717.02
7.2.110.0130.01716.50
7.2.100.0110.01116.52
7.2.90.0190.00916.71
7.2.80.0150.00616.84
7.2.70.0070.01116.74
7.2.60.0030.01416.58
7.2.50.0120.01216.40
7.2.40.0070.01316.84
7.2.30.0090.00916.24
7.2.20.0130.00716.75
7.2.10.0110.00816.54
7.2.00.0060.00918.17
7.1.330.0040.01115.54
7.1.320.0000.01715.70
7.1.310.0060.00916.02
7.1.300.0030.01215.58
7.1.290.0100.00715.73
7.1.280.0070.01115.68
7.1.270.0060.00615.84
7.1.260.0090.00915.96
7.1.250.0130.00815.51
7.1.200.0000.01215.98
7.1.100.0040.00818.21
7.1.70.0080.00617.23
7.1.60.0060.01319.70
7.1.50.0230.01634.89
7.1.00.0070.07322.43
7.0.200.0080.00416.67
7.0.140.0000.07722.21
7.0.60.0130.08019.90
7.0.50.0000.04317.88
7.0.40.0100.08320.08
7.0.30.0200.03720.13
7.0.20.0370.07720.30
7.0.10.0100.05020.11
7.0.00.0070.04020.19
5.6.280.0070.07020.89
5.6.210.0030.06320.47
5.6.200.0000.07018.09
5.6.190.0030.09020.57
5.6.180.0230.05320.56
5.6.170.0370.05320.61
5.6.160.0100.04720.38
5.6.150.0030.06318.19
5.6.140.0170.02718.15
5.6.130.0170.03718.12
5.6.120.0030.08721.01
5.6.110.0200.07021.02
5.6.100.0070.03721.01
5.6.90.0070.05321.04
5.6.80.0070.08320.37
5.6.70.0100.04720.39
5.5.350.0030.08020.41
5.5.340.0070.08017.99
5.5.330.0070.06720.56
5.5.320.3200.04320.27
5.5.310.0300.06720.24
5.5.300.0070.08017.95
5.5.290.0100.07717.98
5.5.280.0070.08720.87
5.5.270.0000.08720.75
5.5.260.0170.05720.86
5.5.250.0230.06020.77
5.5.240.0230.08020.12
5.4.450.0370.04326.11
5.4.440.0300.03026.08
5.4.430.0430.05025.89
5.4.420.0270.03325.72
5.4.410.0330.03725.31
5.4.400.0270.03325.29
5.4.390.0330.04025.28
5.4.380.0130.05318.68
5.4.370.0130.05018.78
5.4.360.0230.04018.58
5.4.350.0100.05718.72
5.4.340.0170.06718.72
5.4.320.0070.05112.46
5.4.310.0070.03612.45
5.4.300.0070.03512.46
5.4.290.0090.03412.45
5.4.280.0070.03512.35
5.4.270.0060.03912.35
5.4.260.0080.03412.35
5.4.250.0070.03512.35
5.4.240.0040.04012.35
5.4.230.0020.04112.34
5.4.220.0020.04012.34
5.4.210.0050.03512.34
5.4.200.0040.03912.34
5.4.190.0070.03712.34
5.4.180.0080.04512.34
5.4.170.0040.03712.35
5.4.160.0080.04512.35
5.4.150.0050.03712.34
5.4.140.0060.03712.02
5.4.130.0040.03612.02
5.4.120.0060.03511.97
5.4.110.0070.03411.96
5.4.100.0050.03711.97
5.4.90.0100.04611.96
5.4.80.0040.03811.96
5.4.70.0060.03411.96
5.4.60.0040.03711.96
5.4.50.0090.03611.96
5.4.40.0130.03311.95
5.4.30.0060.03611.95
5.4.20.0080.03311.95
5.4.10.0030.03611.95
5.4.00.0060.04311.43
5.3.290.0090.03612.80
5.3.280.0040.04012.71
5.3.270.0080.05012.72
5.3.260.0050.03912.72
5.3.250.0060.03812.72
5.3.240.0060.05112.72
5.3.230.0050.03912.71
5.3.220.0090.03512.68
5.3.210.0070.03712.68
5.3.200.0050.03712.68
5.3.190.0030.03912.68
5.3.180.0070.04012.67
5.3.170.0070.04812.67
5.3.160.0050.03812.67
5.3.150.0150.04612.68
5.3.140.0060.03912.66
5.3.130.0050.05312.65
5.3.120.0100.03512.66
5.3.110.0050.04212.66
5.3.100.0090.03412.12
5.3.90.0050.03812.09
5.3.80.0090.03512.07
5.3.70.0090.03312.07
5.3.60.0040.03712.06
5.3.50.0090.04012.00
5.3.40.0090.05112.00
5.3.30.0060.03511.95
5.3.20.0070.03611.72
5.3.10.0070.03911.69
5.3.00.0060.03711.68
5.2.170.0020.0349.18
5.2.160.0050.0319.18
5.2.150.0050.0389.18
5.2.140.0040.0329.17
5.2.130.0030.0309.13
5.2.120.0040.0319.13
5.2.110.0080.0269.14
5.2.100.0050.0289.14
5.2.90.0060.0289.14
5.2.80.0080.0459.14
5.2.70.0050.0309.13
5.2.60.0080.0369.09
5.2.50.0070.0419.05
5.2.40.0030.0319.03
5.2.30.0020.0329.01
5.2.20.0050.0289.02
5.2.10.0030.0388.93
5.2.00.0090.0358.79
5.1.60.0060.0328.07
5.1.50.0050.0328.07
5.1.40.0050.0338.05
5.1.30.0070.0338.41
5.1.20.0070.0348.42
5.1.10.0030.0318.14
5.1.00.0060.0308.15
5.0.50.0040.0256.63
5.0.40.0030.0196.49
5.0.30.0060.0296.30
5.0.20.0030.0196.27
5.0.10.0030.0276.25
5.0.00.0040.0366.24
4.4.90.0030.0154.78
4.4.80.0040.0204.76
4.4.70.0020.0164.76
4.4.60.0030.0174.75
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0050.0134.85
4.4.10.0020.0174.85
4.4.00.0030.0244.75
4.3.110.0060.0134.67
4.3.100.0050.0184.67
4.3.90.0050.0194.64
4.3.80.0150.0624.59
4.3.70.0040.0154.63
4.3.60.0030.0134.63
4.3.50.0010.0224.62
4.3.40.0010.0254.54
4.3.30.0030.0143.30
4.3.20.0010.0163.27
4.3.10.0010.0173.23
4.3.00.0000.02025.28

preferences:
43.45 ms | 401 KiB | 5 Q