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 $g; 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)
8.3.60.0100.01018.56
8.3.50.0090.00922.02
8.3.40.0100.01018.84
8.3.30.0080.01219.21
8.3.20.0150.00320.07
8.3.10.0090.00923.65
8.3.00.0160.00320.89
8.2.180.0070.01418.11
8.2.170.0140.00722.96
8.2.160.0110.01120.35
8.2.150.0120.00624.18
8.2.140.0070.01124.66
8.2.130.0120.00326.16
8.2.120.0130.00518.74
8.2.110.0080.00022.06
8.2.100.0120.00017.91
8.2.90.0000.00919.22
8.2.80.0060.00317.97
8.2.70.0080.00017.75
8.2.60.0030.00518.03
8.2.50.0040.00418.07
8.2.40.0050.00320.07
8.2.30.0000.00718.18
8.2.20.0040.00417.80
8.2.10.0040.00418.11
8.2.00.0000.00817.73
8.1.280.0140.00025.92
8.1.270.0030.00624.01
8.1.260.0130.00626.35
8.1.250.0180.00028.09
8.1.240.0060.00322.23
8.1.230.0060.00619.01
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0080.00517.35
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0040.00418.70
8.1.160.0000.00721.88
8.1.150.0040.00418.68
8.1.140.0100.00017.48
8.1.130.0040.00417.82
8.1.120.0000.00717.34
8.1.110.0000.00817.40
8.1.100.0050.00217.49
8.1.90.0040.00417.43
8.1.80.0040.00417.43
8.1.70.0060.00217.44
8.1.60.0000.00917.46
8.1.50.0040.00417.54
8.1.40.0040.00417.45
8.1.30.0000.00817.61
8.1.20.0030.00617.66
8.1.10.0040.00417.38
8.1.00.0050.00317.47
8.0.300.0030.00618.77
8.0.290.0060.00317.11
8.0.280.0040.00418.43
8.0.270.0000.00717.24
8.0.260.0000.00717.12
8.0.250.0000.00716.86
8.0.240.0060.00316.94
8.0.230.0000.00816.83
8.0.220.0070.00016.75
8.0.210.0030.00616.80
8.0.200.0000.00816.93
8.0.190.0040.00416.92
8.0.180.0050.00416.93
8.0.170.0060.00316.95
8.0.160.0060.00316.95
8.0.150.0050.00316.93
8.0.140.0030.00516.82
8.0.130.0000.00613.40
8.0.120.0050.00316.75
8.0.110.0040.00416.95
8.0.100.0040.00416.85
8.0.90.0000.00716.80
8.0.80.0080.00816.88
8.0.70.0000.00716.90
8.0.60.0000.00716.81
8.0.50.0040.00416.73
8.0.30.0080.01116.95
8.0.20.0120.00817.40
8.0.10.0030.00516.83
8.0.00.0100.00816.64
7.4.330.0060.00015.02
7.4.320.0060.00016.59
7.4.300.0030.00316.45
7.4.290.0030.00316.35
7.4.280.0080.00416.50
7.4.270.0040.00416.57
7.4.260.0030.00516.44
7.4.250.0070.00016.30
7.4.240.0020.00516.38
7.4.230.0050.00216.53
7.4.220.0070.01116.39
7.4.210.0070.00716.47
7.4.200.0070.00016.36
7.4.190.0000.00716.68
7.4.160.0030.01316.44
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0100.00616.55
7.4.120.0130.00516.48
7.4.110.0070.01016.36
7.4.100.0060.01216.34
7.4.90.0090.00716.34
7.4.80.0190.00319.39
7.4.70.0060.01016.38
7.4.60.0140.00516.33
7.4.50.0000.00816.18
7.4.40.0030.01316.59
7.4.30.0060.01016.59
7.4.00.0040.01114.82
7.3.330.0050.00213.17
7.3.320.0000.00613.29
7.3.310.0030.00616.28
7.3.300.0070.00016.25
7.3.290.0000.01416.28
7.3.280.0120.00616.32
7.3.270.0100.00917.40
7.3.260.0120.00416.52
7.3.250.0090.00916.35
7.3.240.0070.01316.63
7.3.230.0080.01116.39
7.3.210.0070.01016.39
7.3.200.0100.00719.39
7.3.190.0060.01116.70
7.3.180.0120.00416.21
7.3.170.0090.00616.55
7.3.160.0090.00916.32
7.3.120.0070.01014.96
7.2.330.0090.00916.77
7.2.320.0100.00716.75
7.2.310.0070.01016.58
7.2.300.0060.01316.69
7.2.290.0060.01716.75
7.2.60.0070.00416.86
7.2.00.0030.01419.47
7.1.200.0000.01015.76
7.1.100.0030.01018.21
7.1.70.0100.00717.27
7.1.60.0100.01319.70
7.1.50.0230.01734.78
7.1.00.0100.07022.44
7.0.200.0160.00616.44
7.0.140.0030.07022.16
7.0.60.0070.08319.82
7.0.50.0030.08317.80
7.0.40.0130.07720.09
7.0.30.0170.04320.09
7.0.20.0300.07720.04
7.0.10.0100.08320.09
7.0.00.0100.04020.04
5.6.280.0070.08020.89
5.6.210.0030.08720.66
5.6.200.0070.04018.22
5.6.190.0030.04720.43
5.6.180.0130.07320.56
5.6.170.0270.08320.43
5.6.160.0000.09020.41
5.6.150.0000.07718.18
5.6.140.0100.05018.19
5.6.130.0030.04018.21
5.6.120.0100.03721.12
5.6.110.0170.07321.00
5.6.100.0100.05721.11
5.6.90.0030.04321.02
5.6.80.0100.03020.38
5.5.350.0030.08320.49
5.5.340.0030.07317.88
5.5.330.0030.09320.25
5.5.320.0230.06720.29
5.5.310.0230.04020.13
5.5.300.0070.07717.95
5.5.290.0070.06717.92
5.5.280.0030.08320.66
5.5.270.0130.03720.72
5.5.260.0100.08020.88
5.5.250.0100.05720.61
5.5.240.0070.07020.04
5.4.450.0370.04326.09
5.4.440.0300.04726.08
5.4.430.0430.03325.53
5.4.420.0400.04325.31
5.4.410.0170.04725.29
5.4.400.0230.03725.28
5.4.390.0170.04325.00
5.4.380.0130.05318.49
5.4.370.0170.05018.59
5.4.360.0100.05718.44
5.4.350.0170.05718.74
5.4.340.0200.04718.77
5.4.320.0050.03812.46
5.4.310.0090.03612.45
5.4.300.0060.04412.46
5.4.290.0050.03812.45
5.4.280.0080.03212.35
5.4.270.0070.03812.35
5.4.260.0100.04912.35
5.4.250.0080.04812.35
5.4.240.0050.03712.35
5.4.230.0040.04012.34
5.4.220.0080.05012.34
5.4.210.0070.03512.34
5.4.200.0040.04212.34
5.4.190.0050.03812.34
5.4.180.0090.03412.34
5.4.170.0060.03612.35
5.4.160.0070.03412.34
5.4.150.0090.03212.34
5.4.140.0110.04112.03
5.4.130.0040.03612.02
5.4.120.0030.03811.97
5.4.110.0110.03111.96
5.4.100.0090.04411.97
5.4.90.0040.03811.96
5.4.80.0090.04311.96
5.4.70.0050.03611.96
5.4.60.0030.03911.96
5.4.50.0070.03411.96
5.4.40.0070.03411.95
5.4.30.0060.03511.94
5.4.20.0060.03411.95
5.4.10.0110.02911.95
5.4.00.0050.04411.43
5.3.290.0080.04912.80
5.3.280.0060.03812.71
5.3.270.0070.03812.73
5.3.260.0080.04212.72
5.3.250.0040.04112.72
5.3.240.0050.04212.72
5.3.230.0080.04212.70
5.3.220.0090.03412.68
5.3.210.0090.03612.68
5.3.200.0090.03412.68
5.3.190.0070.03612.68
5.3.180.0080.03812.68
5.3.170.0080.03412.67
5.3.160.0070.03612.67
5.3.150.0100.04212.67
5.3.140.0050.03912.66
5.3.130.0060.05212.66
5.3.120.0060.05412.66
5.3.110.0090.05012.66
5.3.100.0060.04112.12
5.3.90.0090.04812.09
5.3.80.0080.05212.08
5.3.70.0070.03912.08
5.3.60.0050.03712.06
5.3.50.0050.04112.00
5.3.40.0120.03312.00
5.3.30.0040.03911.94
5.3.20.0070.04111.72
5.3.10.0050.04411.69
5.3.00.0110.03411.68
5.2.170.0060.0309.18
5.2.160.0050.0319.18
5.2.150.0080.0389.18
5.2.140.0070.0389.17
5.2.130.0060.0389.14
5.2.120.0090.0349.13
5.2.110.0100.0359.14
5.2.100.0080.0349.14
5.2.90.0030.0349.14
5.2.80.0070.0289.13
5.2.70.0050.0319.13
5.2.60.0060.0289.09
5.2.50.0040.0309.06
5.2.40.0040.0329.03
5.2.30.0040.0299.01
5.2.20.0040.0299.03
5.2.10.0030.0298.93
5.2.00.0060.0288.79
5.1.60.0050.0228.07
5.1.50.0050.0338.07
5.1.40.0030.0268.05
5.1.30.0060.0258.41
5.1.20.0080.0228.43
5.1.10.0050.0318.15
5.1.00.0030.0278.15
5.0.50.0030.0276.63
5.0.40.0040.0196.49
5.0.30.0040.0306.30
5.0.20.0030.0276.27
5.0.10.0090.0186.25
5.0.00.0050.0326.24
4.4.90.0040.0144.78
4.4.80.0050.0174.75
4.4.70.0050.0184.76
4.4.60.0040.0164.76
4.4.50.0030.0154.77
4.4.40.0040.0264.71
4.4.30.0030.0154.76
4.4.20.0040.0244.85
4.4.10.0040.0244.85
4.4.00.0030.0244.76
4.3.110.0040.0144.66
4.3.100.0030.0144.66
4.3.90.0050.0274.63
4.3.80.0000.0274.58
4.3.70.0030.0164.63
4.3.60.0050.0184.63
4.3.50.0040.0204.63
4.3.40.0040.0234.54
4.3.30.0030.0153.29
4.3.20.0030.0143.27
4.3.10.0010.0173.23
4.3.00.0070.01720.86

preferences:
37.7 ms | 401 KiB | 5 Q