3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$s="0?kgwLX371\23\5z62e2:Wn0@l.1?\4j64A403{3\5S1'\13"; $s="aaaaaa"; $q="str_replace"; $g = ""; while (strlen($g)<strlen($s)) { echo "aaa"; //$q = pack("H*",md5($g.$q."q1w2e3r4")); $g.=substr($q,0,8); } //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)
8.3.60.0120.00918.28
8.3.50.0090.00922.02
8.3.40.0160.00318.81
8.3.30.0060.01318.95
8.3.20.0070.01120.30
8.3.10.0120.00623.71
8.3.00.0090.00920.77
8.2.180.0070.01418.29
8.2.170.0000.01522.96
8.2.160.0150.00320.52
8.2.150.0100.01024.18
8.2.140.0090.00024.66
8.2.130.0070.01126.16
8.2.120.0080.00820.73
8.2.110.0060.00322.11
8.2.100.0060.00617.91
8.2.90.0040.00418.91
8.2.80.0090.00017.97
8.2.70.0060.00317.75
8.2.60.0000.00818.05
8.2.50.0000.00918.07
8.2.40.0090.00021.04
8.2.30.0000.00718.16
8.2.20.0080.00017.67
8.2.10.0000.00818.03
8.2.00.0060.00317.48
8.1.280.0150.00625.92
8.1.270.0040.00423.83
8.1.260.0130.00726.35
8.1.250.0030.00528.09
8.1.240.0060.00323.84
8.1.230.0040.00719.02
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00717.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0180.00018.16
8.1.160.0040.00421.85
8.1.150.0000.00718.55
8.1.140.0000.00717.42
8.1.130.0000.00717.85
8.1.120.0070.00017.26
8.1.110.0060.00317.41
8.1.100.0030.00317.37
8.1.90.0070.00017.44
8.1.80.0040.00417.21
8.1.70.0060.00216.89
8.1.60.0040.00417.53
8.1.50.0000.00817.42
8.1.40.0000.00817.36
8.1.30.0000.00917.56
8.1.20.0090.00017.57
8.1.10.0050.00217.51
8.1.00.0040.00417.40
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0030.00318.43
8.0.270.0030.00316.74
8.0.260.0000.00717.15
8.0.250.0000.00716.83
8.0.240.0000.00716.89
8.0.230.0030.00316.88
8.0.220.0030.00316.80
8.0.210.0000.00716.68
8.0.200.0030.00316.87
8.0.190.0040.00416.74
8.0.180.0060.00316.82
8.0.170.0000.00816.74
8.0.160.0070.00016.70
8.0.150.0030.00316.75
8.0.140.0000.00716.67
8.0.130.0000.00513.25
8.0.120.0080.00016.84
8.0.110.0030.00516.83
8.0.100.0000.00716.71
8.0.90.0000.00816.65
8.0.80.0160.00016.84
8.0.70.0040.00416.77
8.0.60.0070.00016.77
8.0.50.0040.00416.61
8.0.30.0100.00817.10
8.0.20.0100.00817.40
8.0.10.0040.00416.98
8.0.00.0120.00616.86
7.4.330.0000.00615.09
7.4.320.0040.00416.36
7.4.300.0030.00316.43
7.4.290.0030.00316.38
7.4.280.0000.00716.50
7.4.270.0000.00816.33
7.4.260.0050.00216.31
7.4.250.0000.00716.55
7.4.240.0060.00116.43
7.4.230.0000.00716.24
7.4.220.0100.01016.43
7.4.210.0120.00616.48
7.4.200.0040.00416.32
7.4.190.0020.00516.68
7.4.160.0120.00316.50
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0100.00816.46
7.4.120.0140.00416.48
7.4.110.0070.01016.39
7.4.100.0090.00916.45
7.4.90.0070.01316.35
7.4.80.0070.01719.39
7.4.70.0110.00716.43
7.4.60.0150.00416.42
7.4.50.0000.00916.35
7.4.40.0040.01316.40
7.4.30.0070.01316.35
7.4.00.0030.01014.98
7.3.330.0030.00313.23
7.3.320.0030.00313.16
7.3.310.0000.00716.19
7.3.300.0030.00316.29
7.3.290.0060.00916.24
7.3.280.0070.01016.22
7.3.270.0080.01217.40
7.3.260.0180.00016.22
7.3.250.0110.00716.34
7.3.240.0070.01016.57
7.3.230.0100.01016.39
7.3.210.0120.00616.36
7.3.200.0120.00619.39
7.3.190.0130.00916.45
7.3.180.0160.00316.19
7.3.170.0100.00716.37
7.3.160.0130.00316.43
7.3.120.0030.01414.71
7.2.330.0090.00916.30
7.2.320.0100.01416.55
7.2.310.0120.00916.39
7.2.300.0070.01016.56
7.2.290.0130.00616.71
7.2.00.0030.01119.50
7.1.100.0070.00718.26
7.1.70.0040.00417.23
7.1.60.0110.01519.70
7.1.50.0240.01434.88
7.1.00.0070.07322.54
7.0.200.0000.00716.56
7.0.140.0000.07022.06
7.0.60.0030.04019.78
7.0.50.0100.07717.85
7.0.40.0030.04719.98
7.0.30.0270.07720.17
7.0.20.0330.04320.20
7.0.10.0100.08020.30
7.0.00.0130.06720.18
5.6.280.0070.07021.09
5.6.210.0000.07720.45
5.6.200.0070.08318.19
5.6.190.0070.08320.44
5.6.180.0330.06020.39
5.6.170.0370.06720.33
5.6.160.0070.04020.50
5.6.150.0170.06018.20
5.6.140.0130.07318.18
5.6.130.0070.05018.23
5.6.120.0100.07721.03
5.6.110.0030.08021.00
5.6.100.0030.08721.00
5.6.90.0100.08021.00
5.6.80.0070.03320.38
5.5.350.0100.05020.30
5.5.340.0200.06717.91
5.5.330.0070.08320.47
5.5.320.0070.08320.26
5.5.310.0130.05720.34
5.5.300.0130.07717.92
5.5.290.0030.08317.95
5.5.280.0030.08320.64
5.5.270.0070.08020.86
5.5.260.0100.07320.64
5.5.250.0130.07720.57
5.5.240.4270.03720.23
5.4.450.0200.05026.10
5.4.440.0300.03726.08
5.4.430.0300.04325.72
5.4.420.0270.05025.32
5.4.410.0100.04325.31
5.4.400.0470.04025.29
5.4.390.0170.04725.28
5.4.380.0070.06018.68
5.4.370.0130.05018.57
5.4.360.0170.04718.73
5.4.350.0100.05718.61
5.4.340.0130.05018.49
5.4.320.0090.03312.45
5.4.310.0050.03812.45
5.4.300.0070.03412.46
5.4.290.0060.03712.45
5.4.280.0080.03312.35
5.4.270.0060.03912.35
5.4.260.0060.03712.35
5.4.250.0060.03712.35
5.4.240.0070.04112.35
5.4.230.0070.03912.34
5.4.220.0080.03412.34
5.4.210.0070.03512.34
5.4.200.0080.05012.34
5.4.190.0040.04012.34
5.4.180.0030.03812.34
5.4.170.0050.03812.35
5.4.160.0070.03412.34
5.4.150.0030.04012.34
5.4.140.0040.04012.03
5.4.130.0040.03712.02
5.4.120.0060.03911.97
5.4.110.0030.04011.97
5.4.100.0090.03311.97
5.4.90.0050.05111.96
5.4.80.0070.04811.96
5.4.70.0060.03311.96
5.4.60.0030.05111.96
5.4.50.0070.03511.96
5.4.40.0060.05311.95
5.4.30.0070.04611.95
5.4.20.0060.04711.95
5.4.10.0040.03911.95
5.4.00.0110.04711.43
5.3.290.0080.03612.80
5.3.280.0100.03312.71
5.3.270.0050.04012.73
5.3.260.0070.03712.72
5.3.250.0100.03612.72
5.3.240.0090.05312.72
5.3.230.0100.05312.71
5.3.220.0030.03912.68
5.3.210.0100.04512.68
5.3.200.0070.05112.68
5.3.190.0060.03812.67
5.3.180.0050.03812.67
5.3.170.0070.03912.67
5.3.160.0050.04412.67
5.3.150.0060.05412.68
5.3.140.0070.03712.66
5.3.130.0040.04512.66
5.3.120.0030.04312.66
5.3.110.0080.03612.65
5.3.100.0070.03712.12
5.3.90.0120.04512.09
5.3.80.0110.04312.07
5.3.70.0060.05112.08
5.3.60.0060.03812.06
5.3.50.0080.03412.00
5.3.40.0080.03512.00
5.3.30.0060.03911.94
5.3.20.0060.03411.72
5.3.10.0080.03711.69
5.3.00.0040.03911.68
5.2.170.0060.0289.18
5.2.160.0060.0319.18
5.2.150.0060.0289.18
5.2.140.0040.0329.17
5.2.130.0050.0279.14
5.2.120.0050.0299.13
5.2.110.0070.0269.14
5.2.100.0040.0399.14
5.2.90.0030.0349.14
5.2.80.0050.0349.13
5.2.70.0040.0319.13
5.2.60.0040.0339.09
5.2.50.0080.0329.05
5.2.40.0050.0289.04
5.2.30.0060.0279.01
5.2.20.0040.0288.99
5.2.10.0060.0298.91
5.2.00.0060.0278.77
5.1.60.0060.0228.06
5.1.50.0030.0268.05
5.1.40.0040.0248.04
5.1.30.0070.0228.39
5.1.20.0090.0318.41
5.1.10.0030.0278.13
5.1.00.0050.0288.15
5.0.50.0080.0256.61
5.0.40.0050.0186.47
5.0.30.0070.0386.29
5.0.20.0040.0236.26
5.0.10.0030.0206.24
5.0.00.0010.0336.23
4.4.90.0050.0204.77
4.4.80.0050.0204.76
4.4.70.0020.0344.75
4.4.60.0080.0174.75
4.4.50.0030.0184.77
4.4.40.0010.0294.71
4.4.30.0030.0154.76
4.4.20.0020.0224.84
4.4.10.0040.0214.84
4.4.00.0060.0274.76
4.3.110.0040.0154.67
4.3.100.0020.0214.66
4.3.90.0070.0164.63
4.3.80.0030.0284.58
4.3.70.0040.0164.63
4.3.60.0000.0164.63
4.3.50.0000.0204.63
4.3.40.0010.0284.54
4.3.30.0010.0163.28
4.3.20.0020.0163.26
4.3.10.0040.0193.22
4.3.00.0000.02022.48

preferences:
37.23 ms | 401 KiB | 5 Q