3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $wat; unset($wat); echo $wat;

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)
8.3.40.0000.01518.97
8.3.30.0030.01018.76
8.3.20.0050.00318.65
8.3.10.0040.00418.68
8.3.00.0030.00819.38
8.2.170.0140.00022.96
8.2.160.0040.01120.94
8.2.150.0120.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.74
8.2.110.0060.00321.18
8.2.100.0090.00317.78
8.2.90.0090.00019.21
8.2.80.0040.00419.21
8.2.70.0000.00817.63
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0050.00517.88
8.2.20.0050.00317.66
8.2.10.0040.00417.78
8.2.00.0040.00417.67
8.1.270.0020.00524.66
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.45
8.1.230.0070.00420.89
8.1.220.0000.00917.74
8.1.210.0050.00518.98
8.1.200.0030.00617.10
8.1.190.0000.00817.41
8.1.180.0040.00418.10
8.1.170.0070.00018.76
8.1.160.0040.00418.63
8.1.150.0080.00018.41
8.1.140.0040.00417.32
8.1.130.0000.00717.66
8.1.120.0000.00717.35
8.1.110.0040.00417.21
8.1.100.0050.00317.29
8.1.90.0030.00717.23
8.1.80.0070.00017.31
8.1.70.0030.00317.18
8.1.60.0040.00417.46
8.1.50.0020.00517.15
8.1.40.0040.00417.43
8.1.30.0040.00417.41
8.1.20.0040.00417.56
8.1.10.0040.00417.33
8.1.00.0040.00417.27
8.0.300.0020.00519.80
8.0.290.0000.00816.75
8.0.280.0050.00318.37
8.0.270.0030.00317.09
8.0.260.0070.00016.70
8.0.250.0000.00716.84
8.0.240.0000.00716.89
8.0.230.0030.00316.75
8.0.220.0070.00016.88
8.0.210.0030.00316.70
8.0.200.0000.00816.80
8.0.190.0020.00516.87
8.0.180.0000.00716.68
8.0.170.0050.00316.83
8.0.160.0040.00416.69
8.0.150.0040.00416.83
8.0.140.0040.00416.81
8.0.130.0000.00513.21
8.0.120.0040.00416.67
8.0.110.0040.00416.82
8.0.100.0000.00716.64
8.0.90.0040.00416.81
8.0.80.0090.00616.84
8.0.70.0040.00416.82
8.0.60.0000.00716.69
8.0.50.0000.00716.65
8.0.30.0130.01016.82
8.0.20.0120.01217.03
8.0.10.0070.00016.89
8.0.00.0090.01016.73
7.4.330.0050.00012.73
7.4.320.0030.00316.38
7.4.300.0030.00316.47
7.4.290.0000.01016.45
7.4.280.0000.00716.36
7.4.270.0070.00016.36
7.4.260.0000.00513.04
7.4.250.0050.00316.48
7.4.240.0020.00516.39
7.4.230.0000.00716.55
7.4.220.0150.00616.37
7.4.210.0060.00916.46
7.4.200.0000.00716.31
7.4.190.0040.00416.40
7.4.160.0060.00916.18
7.4.150.0140.01216.73
7.4.140.0190.00516.48
7.4.130.0110.00516.42
7.4.120.0110.01016.32
7.4.110.0070.01116.21
7.4.100.0060.01016.47
7.4.90.0140.00916.29
7.4.80.0000.01619.39
7.4.70.0080.00916.55
7.4.60.0080.00816.38
7.4.50.0050.00216.43
7.4.40.0070.01016.52
7.4.30.0040.01116.54
7.4.00.0100.00514.90
7.3.330.0000.00613.01
7.3.320.0050.00013.09
7.3.310.0070.00016.12
7.3.300.0000.00716.29
7.3.290.0060.00916.29
7.3.280.0130.00416.27
7.3.270.0140.00316.42
7.3.260.0140.00716.29
7.3.250.0110.00616.36
7.3.240.0030.02116.41
7.3.230.0030.01616.21
7.3.210.0110.00516.43
7.3.200.0140.01016.26
7.3.190.0090.01216.39
7.3.180.0120.00416.54
7.3.170.0110.00516.19
7.3.160.0100.00716.39
7.3.120.0060.01014.66
7.3.110.0080.01114.66
7.3.100.0060.01314.68
7.3.90.0070.01315.03
7.3.80.0120.00614.75
7.3.70.0090.00914.89
7.3.60.0160.00314.84
7.3.50.0100.00314.74
7.3.40.0070.01014.57
7.3.30.0070.00714.71
7.3.20.0040.00916.51
7.3.10.0030.01016.63
7.3.00.0030.01016.67
7.2.330.0150.00616.68
7.2.320.0130.00316.28
7.2.310.0170.00716.25
7.2.300.0030.01316.59
7.2.290.0070.01016.50
7.2.250.0100.00715.02
7.2.240.0110.00614.68
7.2.230.0110.00714.82
7.2.220.0000.01014.95
7.2.210.0000.01314.99
7.2.200.0070.01115.02
7.2.190.0100.00314.91
7.2.180.0060.01214.92
7.2.170.0040.00714.66
7.1.330.0040.01215.49
7.1.320.0060.00815.33
7.1.310.0060.00615.86
7.1.300.0060.01215.75
7.1.290.0070.00715.73
7.1.280.0090.00615.39
7.1.270.0060.00915.64
7.1.260.0060.01015.69
7.1.70.0000.01117.10
7.1.60.0030.00717.18
7.1.50.0150.00616.88
7.1.00.0030.07722.31
7.0.200.0060.01016.48
7.0.140.0070.07322.08
7.0.120.0070.07022.09
7.0.60.0070.04020.00
7.0.50.0070.03717.86
7.0.40.0100.03720.40
7.0.30.0230.06320.00
7.0.20.0270.08320.12
7.0.10.0200.05020.02
7.0.00.0000.04320.09
5.6.280.0200.05720.98
5.6.210.0070.03720.50
5.6.200.0130.04018.13
5.6.190.0130.05020.60
5.6.180.3930.04320.64
5.6.170.0230.03320.52
5.6.160.0100.07720.37
5.6.150.0030.04318.14
5.6.140.0070.04018.20
5.6.130.0070.07718.16
5.6.120.0000.04321.09
5.6.110.0000.09320.97
5.6.100.0030.04721.12
5.6.90.0000.05721.09
5.6.80.0170.07320.44
5.6.70.0000.05720.49
5.5.350.0170.08720.33
5.5.340.0070.08017.97
5.5.330.0070.03720.28
5.5.320.0470.07320.29
5.5.310.1030.03720.41
5.5.300.0030.04317.87
5.5.290.0030.08317.93
5.5.280.0030.04020.84
5.5.270.0100.06720.78
5.5.260.0070.08720.87
5.5.250.0100.07320.68
5.5.240.0270.07020.25
5.4.450.0000.05719.48
5.4.440.0170.07019.13
5.4.430.0100.08019.40
5.4.420.0130.07719.47
5.4.410.0070.08018.98
5.4.400.0070.06318.81
5.4.390.0100.05719.00
5.4.380.0000.07319.08
5.4.370.0030.08019.08
5.4.360.0100.07018.79
5.4.350.0130.05018.80
5.4.340.0100.03719.18
5.4.320.0000.05019.07
5.4.310.0030.04019.14
5.4.300.0070.05019.00
5.4.290.0070.08019.14
5.4.280.0100.07718.81
5.4.270.0030.04719.13
5.4.260.0000.05319.11
5.4.250.0000.07719.16
5.4.240.0070.05019.13
5.4.230.0070.08019.00
5.4.220.0000.05019.08
5.4.210.0070.07018.78
5.4.200.0000.07019.17
5.4.190.0030.04719.07
5.4.180.0100.04719.20
5.4.170.0070.04319.04
5.4.160.0030.04719.13
5.4.150.0100.06018.76
5.4.140.0100.07016.45
5.4.130.0070.04716.21
5.4.120.0030.07316.33
5.4.110.0030.03716.40
5.4.100.0000.07316.28
5.4.90.0000.07316.23
5.4.80.0030.05716.25
5.4.70.0030.05016.25
5.4.60.0030.04016.21
5.4.50.0070.04016.37
5.4.40.0200.04016.20
5.4.30.0030.05716.34
5.4.20.0070.07016.21
5.4.10.0170.06316.25
5.4.00.0070.07015.66
5.3.290.0030.05014.67
5.3.280.0030.07714.51
5.3.270.0070.07014.50
5.3.260.0030.08014.57
5.3.250.0030.04714.52
5.3.240.0000.04314.54
5.3.230.0030.07014.41
5.3.220.0100.05014.44
5.3.210.0100.07314.49
5.3.200.0070.07714.48
5.3.190.0100.07314.49
5.3.180.0070.06714.49
5.3.170.0000.07014.54
5.3.160.0100.07714.45
5.3.150.0170.05314.54
5.3.140.0130.07014.47
5.3.130.0070.04714.52
5.3.120.0030.04314.42
5.3.110.0070.07714.48
5.3.100.0130.05713.93
5.3.90.0170.06313.84
5.3.80.0000.06713.94
5.3.70.0100.06713.95
5.3.60.0000.04713.96
5.3.50.0130.07013.73
5.3.40.0170.06313.91
5.3.30.0130.05713.84
5.3.20.0030.04713.61
5.3.10.0030.03713.57
5.3.00.0130.03013.57
5.2.170.0070.05711.15
5.2.160.0030.04011.02
5.2.150.0070.04011.02
5.2.140.0100.05710.99
5.2.130.0070.04010.96
5.2.120.0000.03311.09
5.2.110.0000.04011.04
5.2.100.0070.03310.95
5.2.90.0000.04011.08
5.2.80.0030.06311.04
5.2.70.0070.05310.91
5.2.60.0030.04010.90
5.2.50.0000.07010.99
5.2.40.0030.05311.07
5.2.30.0130.04710.91
5.2.20.0030.05310.81
5.2.10.0030.05710.89
5.2.00.0100.05310.71
5.1.60.0070.0539.89
5.1.50.0000.04710.00
5.1.40.0100.0439.93
5.1.30.0070.05310.41
5.1.20.0070.05310.34
5.1.10.0070.0539.98
5.1.00.0030.04310.06
5.0.50.0100.0378.57
5.0.40.0100.0208.24
5.0.30.0070.0378.16
5.0.20.0030.0378.32
5.0.10.0070.0208.18
5.0.00.0070.0678.10
4.4.90.0000.0377.83
4.4.80.0000.0377.83
4.4.70.0070.0307.83
4.4.60.0030.0207.83
4.4.50.0000.0207.83
4.4.40.0000.0537.83
4.4.30.0000.0277.83
4.4.20.0000.0337.83
4.4.10.0000.0207.83
4.4.00.0070.0207.83
4.3.110.0030.0207.83
4.3.100.0000.0237.83
4.3.90.0070.0107.83
4.3.80.0070.0507.83
4.3.70.0000.0277.83
4.3.60.0030.0177.83
4.3.50.0000.0207.83
4.3.40.0070.0507.83
4.3.30.0030.0137.83
4.3.20.0030.0277.83
4.3.10.0030.0377.83
4.3.00.0030.0237.83

preferences:
44.38 ms | 400 KiB | 5 Q