3v4l.org

run code in 300+ PHP versions simultaneously
<?php $wat1 = "wat"; $wat1[3] = "z"; var_dump($wat1); $wat2 = "wat"; $wat2[4] = "z"; var_dump($wat2); $wat3 = "wat"; $wat3[50] = "z"; var_dump($wat3);

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)
8.3.60.0140.00718.30
8.3.50.0150.00321.96
8.3.40.0080.00618.84
8.3.30.0140.00019.17
8.3.20.0040.00420.34
8.3.10.0090.00021.83
8.3.00.0040.00422.51
8.2.180.0140.00716.63
8.2.170.0070.01122.96
8.2.160.0100.00720.74
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0040.00419.48
8.2.110.0060.00320.55
8.2.100.0060.00617.77
8.2.90.0050.00319.22
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0000.00718.05
8.2.20.0000.00817.53
8.2.10.0000.00717.74
8.2.00.0040.00417.74
8.1.280.0090.00625.92
8.1.270.0040.00422.03
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00723.89
8.1.230.0080.00421.01
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.53
8.1.180.0080.00318.10
8.1.170.0080.00018.61
8.1.160.0000.00922.00
8.1.150.0040.00418.63
8.1.140.0070.00017.36
8.1.130.0030.00617.82
8.1.120.0020.00517.39
8.1.110.0050.00217.32
8.1.100.0050.00217.50
8.1.90.0070.00017.33
8.1.80.0040.00417.36
8.1.70.0050.00217.39
8.1.60.0040.00417.45
8.1.50.0040.00417.51
8.1.40.0040.00417.44
8.1.30.0040.00417.64
8.1.20.0000.00817.57
8.1.10.0060.00317.47
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0030.00518.44
8.0.270.0030.00317.19
8.0.260.0000.00616.73
8.0.250.0030.00316.97
8.0.240.0000.00716.97
8.0.230.0000.00716.97
8.0.220.0040.00416.91
8.0.210.0080.00016.88
8.0.200.0000.00716.99
8.0.190.0030.00516.91
8.0.180.0070.00016.86
8.0.170.0000.00716.92
8.0.160.0070.00016.92
8.0.150.0040.00416.79
8.0.140.0000.00816.86
8.0.130.0060.00013.32
8.0.120.0000.00816.77
8.0.110.0000.00716.74
8.0.100.0000.00716.78
8.0.90.0040.00416.80
8.0.80.0080.00816.92
8.0.70.0000.00716.73
8.0.60.0040.00416.69
8.0.50.0000.00716.93
8.0.30.0110.00917.12
8.0.20.0070.01117.40
8.0.10.0050.00316.89
8.0.00.0110.00816.76
7.4.330.0050.00015.10
7.4.320.0030.00316.36
7.4.300.0000.00616.49
7.4.290.0000.00716.64
7.4.280.0030.00516.49
7.4.270.0030.00316.64
7.4.260.0000.00716.54
7.4.250.0030.00616.54
7.4.240.0020.00516.47
7.4.230.0070.00016.39
7.4.220.0030.01616.52
7.4.210.0080.00816.57
7.4.200.0000.00716.52
7.4.190.0030.00316.66
7.4.160.0100.00616.43
7.4.150.0120.00617.40
7.4.140.0100.01317.86
7.4.130.0090.01216.47
7.4.120.0110.00816.55
7.4.110.0060.01416.49
7.4.100.0170.00316.49
7.4.90.0030.01416.27
7.4.80.0070.01119.39
7.4.70.0060.01116.43
7.4.60.0080.00816.38
7.4.50.0000.00416.57
7.4.40.0090.00622.77
7.4.30.0110.01116.59
7.4.00.0070.01014.97
7.3.330.0000.00513.11
7.3.320.0020.00213.17
7.3.310.0050.00316.32
7.3.300.0000.00716.12
7.3.290.0040.01116.23
7.3.280.0060.01116.31
7.3.270.0060.00917.40
7.3.260.0180.00016.31
7.3.250.0090.01116.22
7.3.240.0100.01016.25
7.3.230.0090.01316.44
7.3.210.0140.01016.58
7.3.200.0080.00819.39
7.3.190.0150.00316.32
7.3.180.0090.00616.48
7.3.170.0100.00716.30
7.3.160.0100.00616.30
7.3.120.0060.00614.81
7.2.330.0130.00616.42
7.2.320.0090.00916.27
7.2.310.0080.01416.59
7.2.300.0080.00816.55
7.2.290.0030.01316.29
7.2.60.0190.00916.20
7.2.50.0000.01216.83
7.1.200.0070.00715.83
7.1.70.0070.00716.95
7.1.60.0130.01319.82
7.1.50.0100.02017.02
7.1.00.0030.07722.50
7.0.200.0260.00914.83
7.0.140.0100.06721.96
7.0.60.0130.07720.06
7.0.50.0100.07717.82
7.0.40.0100.04020.30
7.0.30.0230.04720.09
7.0.20.0230.04320.16
7.0.10.0300.07720.30
7.0.00.0070.04020.16
5.6.280.0000.07721.04
5.6.210.0000.09320.49
5.6.200.0100.08018.11
5.6.190.0100.06720.62
5.6.180.2230.05720.42
5.6.170.0200.06320.38
5.6.160.0030.07320.33
5.6.150.0130.06018.16
5.6.140.0070.07718.20
5.6.130.0070.05318.21
5.6.120.0070.04021.00
5.6.110.0030.08720.99
5.6.100.0100.08320.98
5.6.90.0030.07720.87
5.6.80.0030.04020.34
5.6.70.0230.05720.38
5.5.350.0030.03020.34
5.5.340.0070.08318.02
5.5.330.0070.04320.43
5.5.320.0270.06020.36
5.5.310.0130.04320.26
5.5.300.0030.04718.02
5.5.290.0030.06017.91
5.5.280.0100.05320.85
5.5.270.0070.06020.84
5.5.260.0030.04320.86
5.5.250.0100.06320.77
5.5.240.0070.07720.23
5.4.450.0700.05319.61
5.4.440.0130.05319.60
5.4.430.0130.05319.47
5.4.420.0130.05319.46
5.4.410.0100.06318.93
5.4.400.0370.05018.60
5.4.390.0270.05718.77
5.4.380.0270.05018.78
5.4.370.0100.05018.72
5.4.360.0100.04018.58
5.4.350.0060.03511.97
5.4.340.0060.03311.96
5.4.320.0090.03212.45
5.4.310.0090.03612.45
5.4.300.0050.03712.45
5.4.290.0110.04912.45
5.4.280.0070.03512.34
5.4.270.0200.04319.01
5.4.260.0170.04718.89
5.4.250.0130.06019.08
5.4.240.0130.07718.77
5.4.230.0130.06018.89
5.4.220.0170.06318.89
5.4.210.0170.06718.88
5.4.200.0130.05018.89
5.4.190.0170.04718.87
5.4.180.0200.04318.87
5.4.170.0130.05018.89
5.4.160.0070.06318.91
5.4.150.0230.06718.89
5.4.140.0070.05316.43
5.4.130.0170.05716.59
5.4.120.0100.04716.49
5.4.110.0100.05016.28
5.4.100.0130.04716.58
5.4.90.0070.05016.46
5.4.80.0170.06316.48
5.4.70.0000.06016.54
5.4.60.0070.05016.44
5.4.50.0130.04716.34
5.4.40.0070.05016.55
5.4.30.0100.05016.53
5.4.20.0130.04316.41
5.4.10.0100.05016.46
5.4.00.0100.07015.86
5.3.290.0080.03812.80
5.3.280.0100.05714.57
5.3.270.0100.08014.39
5.3.260.0200.04314.74
5.3.250.0130.05714.71
5.3.240.0130.05714.78
5.3.230.0030.06014.68
5.3.220.0070.07714.65
5.3.210.0030.07014.63
5.3.200.0170.05314.55
5.3.190.0100.04714.70
5.3.180.0070.06714.55
5.3.170.0230.04314.55
5.3.160.0000.06314.64
5.3.150.0100.05714.73
5.3.140.0070.05014.48
5.3.130.0100.05714.68
5.3.120.0100.05314.68
5.3.110.0070.05014.53
5.3.100.0070.05313.96
5.3.90.0200.04314.21
5.3.80.0100.04714.09
5.3.70.0070.05014.11
5.3.60.0130.04313.99
5.3.50.0230.04014.02
5.3.40.0000.05714.12
5.3.30.0130.04713.99
5.3.20.0100.04713.67
5.3.10.0130.04313.80
5.3.00.0030.05313.81
5.2.170.0030.04311.12
5.2.160.0070.04011.13
5.2.150.0030.04311.33
5.2.140.0100.04011.07
5.2.130.0100.03711.04
5.2.120.0030.05011.08
5.2.110.0070.04711.25
5.2.100.0100.03311.22
5.2.90.0130.04711.23
5.2.80.0030.05311.02
5.2.70.0100.06311.07
5.2.60.0030.06710.98
5.2.50.0130.05011.07
5.2.40.0000.06311.13
5.2.30.0030.05311.09
5.2.20.0070.05010.94
5.2.10.0100.03311.01
5.2.00.0030.04310.86
5.1.60.0030.0379.96
5.1.50.0070.04010.18
5.1.40.0030.05310.29
5.1.30.0070.03710.59
5.1.20.0100.03310.40
5.1.10.0000.04010.20
5.1.00.0170.03010.05
5.0.50.0070.0378.77
5.0.40.0130.0308.69
5.0.30.0130.0508.45
5.0.20.0070.0338.33
5.0.10.0070.0378.31
5.0.00.0030.0438.41
4.4.90.0100.0238.06
4.4.80.0100.0138.06
4.4.70.0070.0278.06
4.4.60.0030.0238.06
4.4.50.0000.0277.52
4.4.40.0000.0376.64
4.4.30.0030.0206.64
4.4.20.0070.0236.64
4.4.10.0070.0206.64
4.4.00.0030.0376.64
4.3.110.0000.0236.64
4.3.100.0070.0176.64
4.3.90.0000.0236.64
4.3.80.0100.0276.64
4.3.70.0070.0236.64
4.3.60.0070.0236.64
4.3.50.0030.0236.64
4.3.40.0030.0336.64
4.3.30.0130.0206.64
4.3.20.0030.0236.64
4.3.10.0000.0306.64
4.3.00.0030.0236.73

preferences:
71.19 ms | 401 KiB | 5 Q