3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 1; (unset) $foo; var_dump($foo, $bar);

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)
8.3.60.0040.01118.56
8.3.50.0110.00316.09
8.3.40.0040.01118.75
8.3.30.0070.00718.45
8.3.20.0000.00720.16
8.3.10.0000.00821.77
8.3.00.0070.00021.91
8.2.180.0040.01118.16
8.2.170.0040.01122.96
8.2.160.0120.00320.37
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00420.97
8.2.120.0040.00426.35
8.2.110.0050.00521.06
8.2.100.0080.00317.77
8.2.90.0040.00417.66
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0070.00017.68
8.2.50.0000.00818.09
8.2.40.0080.00022.21
8.2.30.0000.00719.31
8.2.20.0050.00317.43
8.2.10.0050.00318.00
8.2.00.0040.00417.79
8.1.280.0120.00325.92
8.1.270.0070.01323.96
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0050.00323.98
8.1.230.0030.01022.88
8.1.220.0040.00417.74
8.1.210.0050.00320.05
8.1.200.0000.00917.10
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0070.00020.68
8.1.150.0040.00420.59
8.1.140.0040.00419.50
8.1.130.0030.00317.54
8.1.120.0030.00317.23
8.1.110.0040.00417.22
8.1.100.0040.00417.21
8.1.90.0000.00717.36
8.1.80.0000.00817.37
8.1.70.0000.00717.20
8.1.60.0000.00817.46
8.1.50.0000.00817.41
8.1.40.0000.00817.38
8.1.30.0090.00017.41
8.1.20.0000.00817.57
8.1.10.0040.00417.26
8.1.00.0040.00417.32
8.0.300.0040.00421.86
8.0.290.0040.00416.58
8.0.280.0050.00218.20
8.0.270.0080.00017.10
8.0.260.0050.00317.14
8.0.250.0030.00316.84
8.0.240.0040.00416.77
8.0.230.0000.00716.77
8.0.220.0080.00016.82
8.0.210.0000.00816.83
8.0.200.0030.00516.77
8.0.190.0050.00216.91
8.0.180.0070.00316.83
8.0.170.0030.00516.82
8.0.160.0050.00316.87
8.0.150.0000.00816.65
8.0.140.0040.00416.67
8.0.130.0030.00313.32
8.0.120.0050.00316.79
8.0.110.0000.00716.63
8.0.100.0050.00216.80
8.0.90.0000.00716.69
8.0.80.0120.00316.79
8.0.70.0000.00716.76
8.0.60.0070.00016.59
8.0.50.0070.00016.87
8.0.30.0080.00916.88
8.0.20.0120.00617.40
8.0.10.0040.00416.88
8.0.00.0090.01116.81
7.4.330.0000.00516.71
7.4.320.0030.00316.55
7.4.300.0000.00816.57
7.4.290.0050.00216.40
7.4.280.0070.00016.61
7.4.270.0000.00716.47
7.4.260.0000.00716.55
7.4.250.0070.00016.56
7.4.240.0030.00316.54
7.4.230.0000.00716.67
7.4.220.0090.00916.67
7.4.210.0080.00616.61
7.4.200.0000.00716.38
7.4.160.0150.00616.72
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0120.00516.42
7.4.120.0110.00616.46
7.4.110.0030.01616.47
7.4.100.0160.00616.45
7.4.90.0130.00316.57
7.4.80.0130.01019.39
7.4.70.0040.01116.54
7.4.60.0060.00916.58
7.4.50.0110.00416.36
7.4.40.0170.00016.39
7.4.30.0070.00816.47
7.4.00.0120.00514.93
7.3.330.0030.00313.07
7.3.320.0000.00513.07
7.3.310.0040.00416.25
7.3.300.0030.00316.20
7.3.290.0030.00516.25
7.3.280.0080.00816.31
7.3.270.0060.01217.40
7.3.260.0000.01816.20
7.3.250.0090.01016.31
7.3.240.0080.00916.34
7.3.230.0120.00416.45
7.3.210.0100.00616.29
7.3.200.0030.01619.39
7.3.190.0090.00916.47
7.3.180.0090.00916.20
7.3.170.0120.00916.37
7.3.160.0070.01016.31
7.3.120.0030.01314.43
7.3.110.0110.00714.46
7.3.100.0070.00714.94
7.3.90.0070.00414.72
7.3.80.0030.00614.68
7.3.70.0000.01214.78
7.3.60.0110.00014.74
7.3.50.0070.00714.79
7.3.40.0030.00614.49
7.3.30.0040.01114.52
7.3.20.0070.00716.71
7.3.10.0140.00416.48
7.3.00.0100.00816.43
7.2.330.0100.00716.61
7.2.320.0100.01016.38
7.2.310.0160.00016.56
7.2.300.0040.01216.62
7.2.290.0110.00716.32
7.2.250.0060.00614.54
7.2.240.0030.01615.02
7.2.230.0030.01414.81
7.2.220.0030.00614.89
7.2.210.0000.01314.68
7.2.200.0080.00814.79
7.2.190.0130.00014.86
7.2.180.0030.01214.80
7.2.170.0000.01414.88
7.2.130.0090.01016.56
7.2.120.0080.00616.65
7.2.110.0080.00916.46
7.2.100.0120.00616.59
7.2.90.0100.00716.70
7.2.80.0060.00916.77
7.2.70.0080.00916.64
7.2.60.0070.00716.68
7.2.50.0070.00716.69
7.2.40.0070.00716.62
7.2.30.0080.00716.63
7.2.20.0060.00816.64
7.2.10.0060.00816.62
7.2.00.0050.00717.33
7.1.330.0140.00015.63
7.1.320.0110.00415.83
7.1.310.0060.00615.82
7.1.300.0040.00815.57
7.1.290.0110.00315.71
7.1.280.0040.01115.82
7.1.270.0090.00915.70
7.1.260.0120.00315.43
7.1.250.0090.00815.51
7.1.200.0030.01015.84
7.1.100.0040.00818.17
7.1.70.0000.00916.95
7.1.60.0030.01219.40
7.1.50.0080.00416.85
7.1.00.0070.07022.30
7.0.200.0440.00314.80
7.0.60.0130.07721.80
7.0.50.0030.05017.79
7.0.40.0030.04720.21
7.0.30.0300.06020.14
7.0.20.0270.05020.15
7.0.10.0000.05020.12
7.0.00.0030.06020.13
5.6.280.0070.03021.10
5.6.210.0030.06320.66
5.6.200.0000.08318.15
5.6.190.0070.08720.56
5.6.180.0300.03320.27
5.6.170.0300.08020.42
5.6.160.0130.07720.71
5.6.150.0030.08318.20
5.6.140.0000.04718.20
5.6.130.0100.08018.16
5.6.120.0100.08021.09
5.6.110.0070.08021.01
5.6.100.0030.09021.10
5.6.90.0070.04720.96
5.6.80.0030.03720.52
5.5.350.0000.08720.43
5.5.340.0000.04017.98
5.5.330.0000.04720.57
5.5.320.0430.04320.25
5.5.310.0200.05020.26
5.5.300.0070.05717.89
5.5.290.0130.06717.95
5.5.280.0030.04320.79
5.5.270.0100.04020.86
5.5.260.0030.09020.67
5.5.250.0070.07320.77
5.5.240.0200.06720.18

preferences:
79.61 ms | 400 KiB | 5 Q